Planting calendar for ZIP 94027 (Atherton, CA)
When to plant vegetables in Atherton, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 17, 2026 (±23 days year to year), first fall frost around Dec 12, 2026 (±20 days).
Playing it safe? Spring frost holds off until about Feb 15, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.
See the full Atherton, CA planting calendar for dates typical of the whole city.
Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:
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Month by month in Atherton, CA
January
- Start seeds indoors: Amaranth
- Start seeds indoors: Amaranthus
- Start seeds indoors: Armenian Cucumber
- Start seeds indoors: Bachelor's Button
- Start seeds indoors: Basil
- Start seeds indoors: Billy Buttons
- Start seeds indoors: Black Cumin / Nigella
- Start seeds indoors: Black-Eyed Susan
- Start seeds indoors: Burdock
- Start seeds indoors: California Poppy
- Start seeds indoors: Chamomile
- Start seeds indoors: Chinese Toon
- Start seeds indoors: Cosmos
- Start seeds indoors: Cucamelon
- Start seeds indoors: Cucumber
- Start seeds indoors: Epazote
- Start seeds indoors: Feverfew
- Start seeds indoors: French Marigold
- Start seeds indoors: Gourd (Angled Luffa)
- Start seeds indoors: Gourd (Bitter)
- Start seeds indoors: Gourd (Bottle)
- Start seeds indoors: Gourd (Luffa)
- Start seeds indoors: Gourd (Ornamental)
- Start seeds indoors: Gourd (Turban)
- Start seeds indoors: Gourd (Wax)
- Start seeds indoors: Grain Amaranth
- Start seeds indoors: Gypsophila
- Start seeds indoors: Holy Basil
- Start seeds indoors: Huauzontle
- Start seeds indoors: Korean Summer Squash
- Start seeds indoors: Lemon Basil
- Start seeds indoors: Lime Basil
- Start seeds indoors: Love-in-a-Mist
- Start seeds indoors: Love-Lies-Bleeding
- Start seeds indoors: Mexican Sunflower
- Start seeds indoors: Misome
- Start seeds indoors: Narrowleaf Zinnia
- Start seeds indoors: Nasturtium
- Start seeds indoors: Orach
- Start seeds indoors: Phacelia
- Start seeds indoors: Poppy
- Start seeds indoors: Pumpkin
- Start seeds indoors: Pumpkin (Maxima)
- Start seeds indoors: Pumpkin (Moschata)
- Start seeds indoors: Shiso
- Start seeds indoors: Strawberry Spinach
- Start seeds indoors: Sulphur Cosmos
- Start seeds indoors: Summer Savory
- Start seeds indoors: Summer Squash
- Start seeds indoors: Sweet Annie
- Start seeds indoors: Thai Basil
- Start seeds indoors: Watermelon
- Start seeds indoors: West Indian Gherkin
- Start seeds indoors: Wild Arugula
- Start seeds indoors: Winged Bean
- Start seeds indoors: Winter Squash (Acorn)
- Start seeds indoors: Winter Squash (Banana)
- Start seeds indoors: Winter Squash (Buttercup)
- Start seeds indoors: Winter Squash (Butternut)
- Start seeds indoors: Winter Squash (Cushaw)
- Start seeds indoors: Winter Squash (Delicata)
- Start seeds indoors: Winter Squash (Hubbard)
- Start seeds indoors: Winter Squash (Spaghetti)
- Start seeds indoors: Zinnia
- Start hardening off: Achillea
- Start hardening off: African Daisy
- Start hardening off: Agastache
- Start hardening off: Alyssum
- Start hardening off: Angelica
- Start hardening off: Arabis
- Start hardening off: Armeria
- Start hardening off: Arroyo Lupine
- Start hardening off: Artichoke
- Start hardening off: Asclepias
- Start hardening off: Aster
- Start hardening off: Baby Blue Eyes
- Start hardening off: Baby's Breath
- Start hardening off: Basket of Gold
- Start hardening off: Bee Balm
- Start hardening off: Beet
- Start hardening off: Bishop's Flower
- Start hardening off: Blanket Flower
- Start hardening off: Blue Flax
- Start hardening off: Bok Choy
- Start hardening off: Broccoli
- Start hardening off: Broccoli Raab
- Start hardening off: Brussels Sprouts
- Start hardening off: Bunching Onion
- Start hardening off: Burdock
- Start hardening off: Cabbage
- Start hardening off: Calendula
- Start hardening off: California Bluebell
- Start hardening off: Campanula
- Start hardening off: Candytuft
- Start hardening off: Canterbury Bells
- Start hardening off: Cardoon
- Start hardening off: Carrot
- Start hardening off: Catchfly
- Start hardening off: Catnip
- Start hardening off: Cauliflower
- Start hardening off: Celeriac
- Start hardening off: Celery
- Start hardening off: Celosia
- Start hardening off: Celosia (Crested)
- Start hardening off: Celosia (Plume)
- Start hardening off: Celtuce / Stem Lettuce
- Start hardening off: Chicory
- Start hardening off: China Aster
- Start hardening off: Chinese Broccoli
- Start hardening off: Chinese Cabbage
- Start hardening off: Chinese Celery
- Start hardening off: Chinese Forget-Me-Not
- Start hardening off: Chive
- Start hardening off: Chrysanthemum Greens
- Start hardening off: Clasping Coneflower
- Start hardening off: Coast Rock Cress
- Start hardening off: Collard
- Start hardening off: Columbine
- Start hardening off: Corn Poppy
- Start hardening off: Cottage Pink
- Start hardening off: Dandelion
- Start hardening off: Delphinium
- Start hardening off: Echinacea
- Start hardening off: Endive
- Start hardening off: English Daisy
- Start hardening off: Ethiopian Kale
- Start hardening off: European Columbine
- Start hardening off: Evening Primrose
- Start hardening off: Flowering Cabbage
- Start hardening off: Flowering Kale
- Start hardening off: Foxglove
- Start hardening off: Garlic Chives
- Start hardening off: Geum
- Start hardening off: Globe Gilia
- Start hardening off: Hamburg Parsley
- Start hardening off: Hartweg Lupine
- Start hardening off: Heuchera
- Start hardening off: Hollyhock
- Start hardening off: Horehound
- Start hardening off: Huauzontle
- Start hardening off: Hybrid Columbine
- Start hardening off: Hyssop
- Start hardening off: Iberis
- Start hardening off: Iceland Poppy
- Start hardening off: Johnny Jump-Up
- Start hardening off: Kale
- Start hardening off: Kohlrabi
- Start hardening off: Komatsuna Mustard
- Start hardening off: Lanceleaf Coreopsis
- Start hardening off: Large-Flowered Evening Primrose
- Start hardening off: Larkspur
- Start hardening off: Lavatera
- Start hardening off: Leek
- Start hardening off: Lemon Balm
- Start hardening off: Lemon Mint
- Start hardening off: Lettuce
- Start hardening off: Liatris
- Start hardening off: Linaria
- Start hardening off: Linum
- Start hardening off: Lovage
- Start hardening off: Lunaria
- Start hardening off: Lupine
- Start hardening off: Malva
- Start hardening off: Mexican Hat
- Start hardening off: Mibuna
- Start hardening off: Milkweed (Common)
- Start hardening off: Milkweed (Tropical)
- Start hardening off: Misome
- Start hardening off: Mitsuba
- Start hardening off: Mizuna
- Start hardening off: Myosotis
- Start hardening off: New England Aster
- Start hardening off: Onion
- Start hardening off: Orach
- Start hardening off: Oriental Poppy
- Start hardening off: Ox-Eye Daisy
- Start hardening off: Palace Purple Heuchera
- Start hardening off: Pansy
- Start hardening off: Parsley
- Start hardening off: Perennial Sweet Pea
- Start hardening off: Phlox
- Start hardening off: Plains Coreopsis
- Start hardening off: Primula
- Start hardening off: Purple Yu Choy Sum
- Start hardening off: Radicchio
- Start hardening off: Rocket Candytuft
- Start hardening off: Roman Chamomile
- Start hardening off: Romanesco Broccoli
- Start hardening off: Rue
- Start hardening off: Russian Kale
- Start hardening off: Rutabaga
- Start hardening off: Sage
- Start hardening off: Salad Burnet
- Start hardening off: Scarlet Flax
- Start hardening off: Shallot
- Start hardening off: Shasta Daisy
- Start hardening off: Sheep Sorrel
- Start hardening off: Showy Evening Primrose
- Start hardening off: Smooth Aster
- Start hardening off: Snapdragon
- Start hardening off: Soapwort
- Start hardening off: Stock Flower
- Start hardening off: Strawberry Spinach
- Start hardening off: Sundial Lupine
- Start hardening off: Sweet Pea
- Start hardening off: Sweet Woodruff
- Start hardening off: Tansy
- Start hardening off: Tarragon
- Start hardening off: Tat Soi
- Start hardening off: Texas Bluebonnet
- Start hardening off: Thyme
- Start hardening off: Turnip
- Start hardening off: Veined Catmint
- Start hardening off: Veronica
- Start hardening off: Viola
- Start hardening off: Wheat Celosia
- Start hardening off: Wormwood
- Start hardening off: Yu Choy Sum
- Direct sow outdoors: Arugula Microgreens
- Direct sow outdoors: Asian Greens
- Direct sow outdoors: Beet Microgreens
- Direct sow outdoors: Cabbage Microgreens
- Direct sow outdoors: Cilantro
- Direct sow outdoors: Cilantro Microgreens
- Direct sow outdoors: Corn Salad
- Direct sow outdoors: Daikon Radish
- Direct sow outdoors: Daikon Sprouts
- Direct sow outdoors: Fava Bean
- Direct sow outdoors: Garden Sorrel Microgreens
- Direct sow outdoors: Kale Microgreens
- Direct sow outdoors: Komatsuna Microgreens
- Direct sow outdoors: Leaf Radish
- Direct sow outdoors: Leek Microgreens
- Direct sow outdoors: Lettuce Crisphead Microgreens
- Direct sow outdoors: Lettuce Leaf Microgreens
- Direct sow outdoors: Lettuce Microgreens
- Direct sow outdoors: Lettuce Romaine Microgreens
- Direct sow outdoors: Mibuna Microgreens
- Direct sow outdoors: Miner's Lettuce
- Direct sow outdoors: Mizuna Microgreens
- Direct sow outdoors: New Zealand Spinach
- Direct sow outdoors: Oats
- Direct sow outdoors: Onion Microgreens
- Direct sow outdoors: Pak Choi Microgreens
- Direct sow outdoors: Parsley Microgreens
- Direct sow outdoors: Parsnip
- Direct sow outdoors: Radish
- Direct sow outdoors: Radish Microgreens
- Direct sow outdoors: Radish Sprouts
- Direct sow outdoors: Red Clover
- Direct sow outdoors: Red-Veined Sorrel
- Direct sow outdoors: Russian Kale Microgreens
- Direct sow outdoors: Shell Pea
- Direct sow outdoors: Snap Pea
- Direct sow outdoors: Snow Pea
- Direct sow outdoors: Sorrel
- Direct sow outdoors: Sorrel Microgreens
- Direct sow outdoors: Spinach
- Direct sow outdoors: Swiss Chard
- Direct sow outdoors: Swiss Chard Microgreens
- Direct sow outdoors: Tatsoi Microgreens
- Direct sow outdoors: Tendergreen Mustard Microgreens
- Direct sow outdoors: Turnip Microgreens
- Direct sow outdoors: White Clover
- Transplant outdoors: Arugula
- Transplant outdoors: Arugula
- Transplant outdoors: Beet
- Transplant outdoors: Bok Choy
- Transplant outdoors: Broccoli
- Transplant outdoors: Broccoli Raab
- Transplant outdoors: Brussels Sprouts
- Transplant outdoors: Bunching Onion
- Transplant outdoors: Cabbage
- Transplant outdoors: Carrot
- Transplant outdoors: Cauliflower
- Transplant outdoors: Celtuce / Stem Lettuce
- Transplant outdoors: Chicory
- Transplant outdoors: Chinese Broccoli
- Transplant outdoors: Chinese Cabbage
- Transplant outdoors: Chive
- Transplant outdoors: Collard
- Transplant outdoors: Echinacea
- Transplant outdoors: Endive
- Transplant outdoors: Flowering Cabbage
- Transplant outdoors: Flowering Kale
- Transplant outdoors: Garlic Chives
- Transplant outdoors: Hamburg Parsley
- Transplant outdoors: Kale
- Transplant outdoors: Kohlrabi
- Transplant outdoors: Komatsuna Mustard
- Transplant outdoors: Leek
- Transplant outdoors: Lettuce
- Transplant outdoors: Mibuna
- Transplant outdoors: Mizuna
- Transplant outdoors: Onion
- Transplant outdoors: Parsley
- Transplant outdoors: Purple Yu Choy Sum
- Transplant outdoors: Radicchio
- Transplant outdoors: Romanesco Broccoli
- Transplant outdoors: Russian Kale
- Transplant outdoors: Rutabaga
- Transplant outdoors: Shallot
- Transplant outdoors: Siberian Kale
- Transplant outdoors: Snapdragon
- Transplant outdoors: Tat Soi
- Transplant outdoors: Turnip
- Transplant outdoors: Yu Choy Sum
- Plant outdoors: Potato
February
- Start seeds indoors: Melon
- Start seeds indoors: Melon (Pickling)
- Start seeds indoors: Okra
- Start hardening off: Ageratum
- Start hardening off: Aji Pepper
- Start hardening off: Alpine Strawberry
- Start hardening off: Alternanthera
- Start hardening off: Amaranth
- Start hardening off: Amaranthus
- Start hardening off: Angel Wing Begonia
- Start hardening off: Angelonia
- Start hardening off: Armenian Cucumber
- Start hardening off: Asparagus Fern
- Start hardening off: Bachelor's Button
- Start hardening off: Bacopa
- Start hardening off: Balsam
- Start hardening off: Basil
- Start hardening off: Beach Sunflower
- Start hardening off: Begonia
- Start hardening off: Billy Buttons
- Start hardening off: Black Cumin / Nigella
- Start hardening off: Black-Eyed Susan
- Start hardening off: Blue Fescue
- Start hardening off: Bolivian Begonia
- Start hardening off: Brachycome
- Start hardening off: California Poppy
- Start hardening off: Canna
- Start hardening off: Cape Gooseberry
- Start hardening off: Carnation
- Start hardening off: Chamomile
- Start hardening off: Chiltepin Pepper
- Start hardening off: Chinese Toon
- Start hardening off: Chrysanthemum
- Start hardening off: Cleome
- Start hardening off: Coleus
- Start hardening off: Common Morning Glory
- Start hardening off: Coreopsis
- Start hardening off: Cosmos
- Start hardening off: Creeping Thyme
- Start hardening off: Cucamelon
- Start hardening off: Cucumber
- Start hardening off: Dahlberg Daisy
- Start hardening off: Dahlia
- Start hardening off: Delosperma
- Start hardening off: Dianthus
- Start hardening off: Dichondra
- Start hardening off: Dove Pincushion
- Start hardening off: Dracaena
- Start hardening off: Dusty Miller
- Start hardening off: Eggplant
- Start hardening off: Epazote
- Start hardening off: Ethiopian Eggplant
- Start hardening off: Feverfew
- Start hardening off: Flowering Tobacco
- Start hardening off: Four O Clock
- Start hardening off: French Marigold
- Start hardening off: Gaillardia
- Start hardening off: Gazania
- Start hardening off: Geranium
- Start hardening off: Goldmoss Stonecrop
- Start hardening off: Gomphrena
- Start hardening off: Gourd (Angled Luffa)
- Start hardening off: Gourd (Bitter)
- Start hardening off: Gourd (Bottle)
- Start hardening off: Gourd (Luffa)
- Start hardening off: Gourd (Ornamental)
- Start hardening off: Gourd (Turban)
- Start hardening off: Gourd (Wax)
- Start hardening off: Grain Amaranth
- Start hardening off: Ground Cherry
- Start hardening off: Gypsophila
- Start hardening off: Heliopsis
- Start hardening off: Heliotrope
- Start hardening off: Hibiscus
- Start hardening off: Holy Basil
- Start hardening off: Hybrid Coneflower
- Start hardening off: Hybrid Lobelia
- Start hardening off: Hypoestes
- Start hardening off: Impatiens
- Start hardening off: Interspecific Dianthus
- Start hardening off: Ivy Geranium
- Start hardening off: Japanese Mugwort
- Start hardening off: Kniphofia
- Start hardening off: Korean Mint
- Start hardening off: Korean Summer Squash
- Start hardening off: Lace Fern
- Start hardening off: Lavender
- Start hardening off: Lemon Basil
- Start hardening off: Lime Basil
- Start hardening off: Lobelia
- Start hardening off: Love-in-a-Mist
- Start hardening off: Love-Lies-Bleeding
- Start hardening off: Malabar Spinach
- Start hardening off: Marigold
- Start hardening off: Marjoram
- Start hardening off: Maximilian Sunflower
- Start hardening off: Melon
- Start hardening off: Melon (Pickling)
- Start hardening off: Mexican Sunflower
- Start hardening off: Mexican Tarragon
- Start hardening off: Mexican Zinnia
- Start hardening off: Mimosa
- Start hardening off: Mimulus
- Start hardening off: Moonflower
- Start hardening off: Morning Glory
- Start hardening off: Narrowleaf Zinnia
- Start hardening off: Nasturtium
- Start hardening off: Nicotiana
- Start hardening off: Nierembergia
- Start hardening off: Okra
- Start hardening off: Oregano
- Start hardening off: Ornamental Millet
- Start hardening off: Osteospermum
- Start hardening off: Painted Sage
- Start hardening off: Paracress
- Start hardening off: Pennyroyal Mint
- Start hardening off: Penstemon
- Start hardening off: Pepper (Habanero)
- Start hardening off: Pepper (Hot)
- Start hardening off: Pepper (Sweet & Hot)
- Start hardening off: Pepper (Tabasco)
- Start hardening off: Peruvian Verbena
- Start hardening off: Petunia
- Start hardening off: Phacelia
- Start hardening off: Plectranthus
- Start hardening off: Poppy
- Start hardening off: Portulaca
- Start hardening off: Pumpkin
- Start hardening off: Pumpkin (Maxima)
- Start hardening off: Pumpkin (Moschata)
- Start hardening off: Ricinus
- Start hardening off: Rocky Mountain Penstemon
- Start hardening off: Roselle
- Start hardening off: Rudbeckia
- Start hardening off: Russian Sage
- Start hardening off: Salpiglossis
- Start hardening off: Salvia
- Start hardening off: Saponaria
- Start hardening off: Savory
- Start hardening off: Scabiosa
- Start hardening off: Scarlet Sage
- Start hardening off: Sedum
- Start hardening off: Shiso
- Start hardening off: Signet Marigold
- Start hardening off: Silver Ponysfoot
- Start hardening off: Sprenger Fern
- Start hardening off: Statice
- Start hardening off: Stevia
- Start hardening off: Stipa
- Start hardening off: Strawflower
- Start hardening off: Sulphur Cosmos
- Start hardening off: Summer Savory
- Start hardening off: Summer Squash
- Start hardening off: Sweet Annie
- Start hardening off: Texas Sage
- Start hardening off: Thai Basil
- Start hardening off: Thunbergia
- Start hardening off: Tomatillo
- Start hardening off: Tomato
- Start hardening off: Torenia
- Start hardening off: Verbena
- Start hardening off: Vietnamese Culantro
- Start hardening off: Vinca
- Start hardening off: Water Pepper
- Start hardening off: Watermelon
- Start hardening off: Wax Begonia
- Start hardening off: West Indian Gherkin
- Start hardening off: Western Coneflower
- Start hardening off: Wild Arugula
- Start hardening off: Winged Bean
- Start hardening off: Winter Squash (Acorn)
- Start hardening off: Winter Squash (Banana)
- Start hardening off: Winter Squash (Buttercup)
- Start hardening off: Winter Squash (Butternut)
- Start hardening off: Winter Squash (Cushaw)
- Start hardening off: Winter Squash (Delicata)
- Start hardening off: Winter Squash (Hubbard)
- Start hardening off: Winter Squash (Spaghetti)
- Start hardening off: Woodland Sage
- Start hardening off: Woodland Tobacco
- Start hardening off: Yarrow
- Start hardening off: Zinnia
- Direct sow outdoors: Alfalfa
- Direct sow outdoors: Amaranth Microgreens
- Direct sow outdoors: Anise
- Direct sow outdoors: Anise Microgreens
- Direct sow outdoors: Basil Microgreens
- Direct sow outdoors: Bean
- Direct sow outdoors: Black Salsify
- Direct sow outdoors: Borage
- Direct sow outdoors: Borage Microgreens
- Direct sow outdoors: Bronze Fennel
- Direct sow outdoors: Buckwheat
- Direct sow outdoors: Caraway
- Direct sow outdoors: Catmint
- Direct sow outdoors: Chervil
- Direct sow outdoors: Chervil Microgreens
- Direct sow outdoors: Chrysanthemum Greens Microgreens
- Direct sow outdoors: Corn
- Direct sow outdoors: Cowpea
- Direct sow outdoors: Cress
- Direct sow outdoors: Cumin
- Direct sow outdoors: Dill
- Direct sow outdoors: Dill Microgreens
- Direct sow outdoors: Fennel
- Direct sow outdoors: Fennel Microgreens
- Direct sow outdoors: Fenugreek
- Direct sow outdoors: Garbanzo Bean Sprouts
- Direct sow outdoors: Iresine
- Direct sow outdoors: Lemongrass
- Direct sow outdoors: Lima Bean
- Direct sow outdoors: Mugwort
- Direct sow outdoors: Mung Bean Sprouts
- Direct sow outdoors: Mustard
- Direct sow outdoors: Mustard Microgreens
- Direct sow outdoors: Mustard Sprouts
- Direct sow outdoors: Nasturtium Microgreens
- Direct sow outdoors: Orach Microgreens
- Direct sow outdoors: Oregano (Greek)
- Direct sow outdoors: Oregano Microgreens
- Direct sow outdoors: Pea
- Direct sow outdoors: Pea Microgreens
- Direct sow outdoors: Pea Shoots
- Direct sow outdoors: Pea Sprouts
- Direct sow outdoors: Peppermint
- Direct sow outdoors: Purslane
- Direct sow outdoors: Rapeseed
- Direct sow outdoors: Rosemary
- Direct sow outdoors: Runner Bean
- Direct sow outdoors: Salsify
- Direct sow outdoors: Sheep Sorrel Microgreens
- Direct sow outdoors: Shiso Herb Microgreens
- Direct sow outdoors: Shiso Microgreens
- Direct sow outdoors: Sorghum
- Direct sow outdoors: Soy Bean
- Direct sow outdoors: Soybean Sprouts
- Direct sow outdoors: Spearmint
- Direct sow outdoors: Strawberry
- Direct sow outdoors: Sunflower
- Direct sow outdoors: Sunflower Microgreens
- Direct sow outdoors: Sunflower Sprouts
- Direct sow outdoors: Sunn Hemp
- Direct sow outdoors: Sweet William
- Direct sow outdoors: Watercress
- Direct sow outdoors: Wheat
- Direct sow outdoors: Yardlong Bean
- Direct sow outdoors: Yellow Sweet Clover
- Transplant outdoors: Achillea
- Transplant outdoors: African Daisy
- Transplant outdoors: Agastache
- Transplant outdoors: Ageratum
- Transplant outdoors: Aji Pepper
- Transplant outdoors: Alpine Strawberry
- Transplant outdoors: Alternanthera
- Transplant outdoors: Alyssum
- Transplant outdoors: Amaranth
- Transplant outdoors: Amaranthus
- Transplant outdoors: Angel Wing Begonia
- Transplant outdoors: Angelica
- Transplant outdoors: Angelonia
- Transplant outdoors: Arabis
- Transplant outdoors: Armenian Cucumber
- Transplant outdoors: Armeria
- Transplant outdoors: Arroyo Lupine
- Transplant outdoors: Artichoke
- Transplant outdoors: Asclepias
- Transplant outdoors: Asparagus Fern
- Transplant outdoors: Aster
- Transplant outdoors: Baby Blue Eyes
- Transplant outdoors: Baby's Breath
- Transplant outdoors: Bachelor's Button
- Transplant outdoors: Bacopa
- Transplant outdoors: Balsam
- Transplant outdoors: Basil
- Transplant outdoors: Basket of Gold
- Transplant outdoors: Beach Sunflower
- Transplant outdoors: Bee Balm
- Transplant outdoors: Begonia
- Transplant outdoors: Billy Buttons
- Transplant outdoors: Bishop's Flower
- Transplant outdoors: Black Cumin / Nigella
- Transplant outdoors: Black-Eyed Susan
- Transplant outdoors: Blanket Flower
- Transplant outdoors: Blue Fescue
- Transplant outdoors: Blue Flax
- Transplant outdoors: Bolivian Begonia
- Transplant outdoors: Brachycome
- Transplant outdoors: Burdock
- Transplant outdoors: Calendula
- Transplant outdoors: California Bluebell
- Transplant outdoors: California Poppy
- Transplant outdoors: Campanula
- Transplant outdoors: Candytuft
- Transplant outdoors: Canna
- Transplant outdoors: Canterbury Bells
- Transplant outdoors: Cape Gooseberry
- Transplant outdoors: Cardoon
- Transplant outdoors: Carnation
- Transplant outdoors: Catchfly
- Transplant outdoors: Catnip
- Transplant outdoors: Celeriac
- Transplant outdoors: Celery
- Transplant outdoors: Celosia
- Transplant outdoors: Celosia (Crested)
- Transplant outdoors: Celosia (Plume)
- Transplant outdoors: Chamomile
- Transplant outdoors: China Aster
- Transplant outdoors: Chinese Celery
- Transplant outdoors: Chinese Forget-Me-Not
- Transplant outdoors: Chinese Toon
- Transplant outdoors: Chrysanthemum
- Transplant outdoors: Chrysanthemum Greens
- Transplant outdoors: Clasping Coneflower
- Transplant outdoors: Cleome
- Transplant outdoors: Coast Rock Cress
- Transplant outdoors: Coleus
- Transplant outdoors: Columbine
- Transplant outdoors: Common Morning Glory
- Transplant outdoors: Coreopsis
- Transplant outdoors: Corn Poppy
- Transplant outdoors: Cosmos
- Transplant outdoors: Cottage Pink
- Transplant outdoors: Creeping Thyme
- Transplant outdoors: Cucamelon
- Transplant outdoors: Cucumber
- Transplant outdoors: Dahlberg Daisy
- Transplant outdoors: Dahlia
- Transplant outdoors: Dandelion
- Transplant outdoors: Delosperma
- Transplant outdoors: Delphinium
- Transplant outdoors: Dianthus
- Transplant outdoors: Dichondra
- Transplant outdoors: Dove Pincushion
- Transplant outdoors: Dracaena
- Transplant outdoors: Dusty Miller
- Transplant outdoors: English Daisy
- Transplant outdoors: Epazote
- Transplant outdoors: Ethiopian Kale
- Transplant outdoors: European Columbine
- Transplant outdoors: Evening Primrose
- Transplant outdoors: Feverfew
- Transplant outdoors: Flowering Tobacco
- Transplant outdoors: Four O Clock
- Transplant outdoors: Foxglove
- Transplant outdoors: French Marigold
- Transplant outdoors: Gaillardia
- Transplant outdoors: Gazania
- Transplant outdoors: Geranium
- Transplant outdoors: Geum
- Transplant outdoors: Globe Gilia
- Transplant outdoors: Goldmoss Stonecrop
- Transplant outdoors: Gomphrena
- Transplant outdoors: Gourd (Angled Luffa)
- Transplant outdoors: Gourd (Bitter)
- Transplant outdoors: Gourd (Bottle)
- Transplant outdoors: Gourd (Luffa)
- Transplant outdoors: Gourd (Ornamental)
- Transplant outdoors: Gourd (Turban)
- Transplant outdoors: Gourd (Wax)
- Transplant outdoors: Grain Amaranth
- Transplant outdoors: Ground Cherry
- Transplant outdoors: Gypsophila
- Transplant outdoors: Hartweg Lupine
- Transplant outdoors: Heliopsis
- Transplant outdoors: Heliotrope
- Transplant outdoors: Heuchera
- Transplant outdoors: Hibiscus
- Transplant outdoors: Hollyhock
- Transplant outdoors: Holy Basil
- Transplant outdoors: Horehound
- Transplant outdoors: Huauzontle
- Transplant outdoors: Hybrid Columbine
- Transplant outdoors: Hybrid Coneflower
- Transplant outdoors: Hybrid Lobelia
- Transplant outdoors: Hypoestes
- Transplant outdoors: Hyssop
- Transplant outdoors: Iberis
- Transplant outdoors: Iceland Poppy
- Transplant outdoors: Impatiens
- Transplant outdoors: Interspecific Dianthus
- Transplant outdoors: Ivy Geranium
- Transplant outdoors: Japanese Mugwort
- Transplant outdoors: Johnny Jump-Up
- Transplant outdoors: Kniphofia
- Transplant outdoors: Korean Mint
- Transplant outdoors: Korean Summer Squash
- Transplant outdoors: Lace Fern
- Transplant outdoors: Lanceleaf Coreopsis
- Transplant outdoors: Large-Flowered Evening Primrose
- Transplant outdoors: Larkspur
- Transplant outdoors: Lavatera
- Transplant outdoors: Lavender
- Transplant outdoors: Lemon Balm
- Transplant outdoors: Lemon Basil
- Transplant outdoors: Lemon Mint
- Transplant outdoors: Liatris
- Transplant outdoors: Lime Basil
- Transplant outdoors: Linaria
- Transplant outdoors: Linum
- Transplant outdoors: Lobelia
- Transplant outdoors: Lovage
- Transplant outdoors: Love-in-a-Mist
- Transplant outdoors: Love-Lies-Bleeding
- Transplant outdoors: Lunaria
- Transplant outdoors: Lupine
- Transplant outdoors: Malabar Spinach
- Transplant outdoors: Malva
- Transplant outdoors: Marigold
- Transplant outdoors: Marjoram
- Transplant outdoors: Maximilian Sunflower
- Transplant outdoors: Mexican Hat
- Transplant outdoors: Mexican Sunflower
- Transplant outdoors: Mexican Tarragon
- Transplant outdoors: Mexican Zinnia
- Transplant outdoors: Milkweed (Common)
- Transplant outdoors: Milkweed (Tropical)
- Transplant outdoors: Mimosa
- Transplant outdoors: Mimulus
- Transplant outdoors: Misome
- Transplant outdoors: Mitsuba
- Transplant outdoors: Moonflower
- Transplant outdoors: Morning Glory
- Transplant outdoors: Myosotis
- Transplant outdoors: Narrowleaf Zinnia
- Transplant outdoors: Nasturtium
- Transplant outdoors: New England Aster
- Transplant outdoors: Nicotiana
- Transplant outdoors: Nierembergia
- Transplant outdoors: Orach
- Transplant outdoors: Oregano
- Transplant outdoors: Oriental Poppy
- Transplant outdoors: Ornamental Millet
- Transplant outdoors: Osteospermum
- Transplant outdoors: Ox-Eye Daisy
- Transplant outdoors: Painted Sage
- Transplant outdoors: Palace Purple Heuchera
- Transplant outdoors: Pansy
- Transplant outdoors: Paracress
- Transplant outdoors: Pennyroyal Mint
- Transplant outdoors: Penstemon
- Transplant outdoors: Perennial Sweet Pea
- Transplant outdoors: Peruvian Verbena
- Transplant outdoors: Petunia
- Transplant outdoors: Phacelia
- Transplant outdoors: Phlox
- Transplant outdoors: Plains Coreopsis
- Transplant outdoors: Plectranthus
- Transplant outdoors: Poppy
- Transplant outdoors: Portulaca
- Transplant outdoors: Primula
- Transplant outdoors: Pumpkin
- Transplant outdoors: Pumpkin (Maxima)
- Transplant outdoors: Pumpkin (Moschata)
- Transplant outdoors: Ricinus
- Transplant outdoors: Rocket Candytuft
- Transplant outdoors: Rocky Mountain Penstemon
- Transplant outdoors: Roman Chamomile
- Transplant outdoors: Roselle
- Transplant outdoors: Rudbeckia
- Transplant outdoors: Rue
- Transplant outdoors: Russian Sage
- Transplant outdoors: Sage
- Transplant outdoors: Salad Burnet
- Transplant outdoors: Salpiglossis
- Transplant outdoors: Salvia
- Transplant outdoors: Saponaria
- Transplant outdoors: Savory
- Transplant outdoors: Scabiosa
- Transplant outdoors: Scarlet Flax
- Transplant outdoors: Scarlet Sage
- Transplant outdoors: Sedum
- Transplant outdoors: Shasta Daisy
- Transplant outdoors: Sheep Sorrel
- Transplant outdoors: Shiso
- Transplant outdoors: Showy Evening Primrose
- Transplant outdoors: Signet Marigold
- Transplant outdoors: Silver Ponysfoot
- Transplant outdoors: Smooth Aster
- Transplant outdoors: Soapwort
- Transplant outdoors: Sprenger Fern
- Transplant outdoors: Statice
- Transplant outdoors: Stevia
- Transplant outdoors: Stipa
- Transplant outdoors: Stock Flower
- Transplant outdoors: Strawberry Spinach
- Transplant outdoors: Strawflower
- Transplant outdoors: Sulphur Cosmos
- Transplant outdoors: Summer Savory
- Transplant outdoors: Summer Squash
- Transplant outdoors: Sundial Lupine
- Transplant outdoors: Sweet Annie
- Transplant outdoors: Sweet Pea
- Transplant outdoors: Sweet Woodruff
- Transplant outdoors: Tansy
- Transplant outdoors: Tarragon
- Transplant outdoors: Texas Bluebonnet
- Transplant outdoors: Texas Sage
- Transplant outdoors: Thai Basil
- Transplant outdoors: Thunbergia
- Transplant outdoors: Thyme
- Transplant outdoors: Tomatillo
- Transplant outdoors: Tomato
- Transplant outdoors: Torenia
- Transplant outdoors: Veined Catmint
- Transplant outdoors: Verbena
- Transplant outdoors: Veronica
- Transplant outdoors: Vietnamese Culantro
- Transplant outdoors: Vinca
- Transplant outdoors: Viola
- Transplant outdoors: Water Pepper
- Transplant outdoors: Watermelon
- Transplant outdoors: Wax Begonia
- Transplant outdoors: West Indian Gherkin
- Transplant outdoors: Western Coneflower
- Transplant outdoors: Wheat Celosia
- Transplant outdoors: Wild Arugula
- Transplant outdoors: Winged Bean
- Transplant outdoors: Winter Squash (Acorn)
- Transplant outdoors: Winter Squash (Banana)
- Transplant outdoors: Winter Squash (Buttercup)
- Transplant outdoors: Winter Squash (Butternut)
- Transplant outdoors: Winter Squash (Cushaw)
- Transplant outdoors: Winter Squash (Delicata)
- Transplant outdoors: Winter Squash (Hubbard)
- Transplant outdoors: Winter Squash (Spaghetti)
- Transplant outdoors: Woodland Sage
- Transplant outdoors: Woodland Tobacco
- Transplant outdoors: Wormwood
- Transplant outdoors: Yarrow
- Transplant outdoors: Zinnia
- Plant outdoors: Asparagus
- Plant outdoors: Blueberry
- Plant outdoors: Rhubarb
March
- Direct sow outdoors: Cantaloupe Microgreens
- Transplant outdoors: Chiltepin Pepper
- Transplant outdoors: Eggplant
- Transplant outdoors: Ethiopian Eggplant
- Transplant outdoors: Melon
- Transplant outdoors: Melon (Pickling)
- Transplant outdoors: Okra
- Transplant outdoors: Pepper (Habanero)
- Transplant outdoors: Pepper (Hot)
- Transplant outdoors: Pepper (Sweet & Hot)
- Transplant outdoors: Pepper (Tabasco)
September
- Direct sow outdoors: Annual Ryegrass
- Direct sow outdoors: Crimson Clover
- Direct sow outdoors: Hairy Vetch
- Direct sow outdoors: Rye
October
- Start seeds indoors: Bunching Onion
- Start seeds indoors: Leek
- Start seeds indoors: Onion
- Start seeds indoors: Shallot
- Plant outdoors: Elephant Garlic
- Plant outdoors: Garlic
November
- Start seeds indoors: Agastache
- Start seeds indoors: Alpine Strawberry
- Start seeds indoors: Angel Wing Begonia
- Start seeds indoors: Artichoke
- Start seeds indoors: Arugula
- Start seeds indoors: Arugula
- Start seeds indoors: Asclepias
- Start seeds indoors: Asparagus Fern
- Start seeds indoors: Begonia
- Start seeds indoors: Bolivian Begonia
- Start seeds indoors: Campanula
- Start seeds indoors: Canterbury Bells
- Start seeds indoors: Celeriac
- Start seeds indoors: Celery
- Start seeds indoors: Chinese Celery
- Start seeds indoors: Chive
- Start seeds indoors: Collard
- Start seeds indoors: Dracaena
- Start seeds indoors: Echinacea
- Start seeds indoors: Foxglove
- Start seeds indoors: Garlic Chives
- Start seeds indoors: Geranium
- Start seeds indoors: Hamburg Parsley
- Start seeds indoors: Heliotrope
- Start seeds indoors: Heuchera
- Start seeds indoors: Horehound
- Start seeds indoors: Ivy Geranium
- Start seeds indoors: Johnny Jump-Up
- Start seeds indoors: Kale
- Start seeds indoors: Kniphofia
- Start seeds indoors: Lavender
- Start seeds indoors: Palace Purple Heuchera
- Start seeds indoors: Pansy
- Start seeds indoors: Parsley
- Start seeds indoors: Penstemon
- Start seeds indoors: Primula
- Start seeds indoors: Rocky Mountain Penstemon
- Start seeds indoors: Sage
- Start seeds indoors: Siberian Kale
- Start seeds indoors: Snapdragon
- Start seeds indoors: Sprenger Fern
- Start seeds indoors: Stock Flower
- Start seeds indoors: Tarragon
- Start seeds indoors: Tat Soi
- Start seeds indoors: Thyme
- Start seeds indoors: Veined Catmint
- Start seeds indoors: Veronica
- Start seeds indoors: Viola
- Start seeds indoors: Wax Begonia
December
- Start seeds indoors: Achillea
- Start seeds indoors: African Daisy
- Start seeds indoors: Ageratum
- Start seeds indoors: Aji Pepper
- Start seeds indoors: Alternanthera
- Start seeds indoors: Alyssum
- Start seeds indoors: Angelica
- Start seeds indoors: Angelonia
- Start seeds indoors: Arabis
- Start seeds indoors: Armeria
- Start seeds indoors: Arroyo Lupine
- Start seeds indoors: Aster
- Start seeds indoors: Baby Blue Eyes
- Start seeds indoors: Baby's Breath
- Start seeds indoors: Bacopa
- Start seeds indoors: Balsam
- Start seeds indoors: Basket of Gold
- Start seeds indoors: Beach Sunflower
- Start seeds indoors: Bee Balm
- Start seeds indoors: Beet
- Start seeds indoors: Bishop's Flower
- Start seeds indoors: Blanket Flower
- Start seeds indoors: Blue Fescue
- Start seeds indoors: Blue Flax
- Start seeds indoors: Bok Choy
- Start seeds indoors: Brachycome
- Start seeds indoors: Broccoli
- Start seeds indoors: Broccoli Raab
- Start seeds indoors: Brussels Sprouts
- Start seeds indoors: Cabbage
- Start seeds indoors: Calendula
- Start seeds indoors: California Bluebell
- Start seeds indoors: Candytuft
- Start seeds indoors: Canna
- Start seeds indoors: Cape Gooseberry
- Start seeds indoors: Cardoon
- Start seeds indoors: Carnation
- Start seeds indoors: Carrot
- Start seeds indoors: Catchfly
- Start seeds indoors: Catnip
- Start seeds indoors: Cauliflower
- Start seeds indoors: Celosia
- Start seeds indoors: Celosia (Crested)
- Start seeds indoors: Celosia (Plume)
- Start seeds indoors: Celtuce / Stem Lettuce
- Start seeds indoors: Chicory
- Start seeds indoors: Chiltepin Pepper
- Start seeds indoors: China Aster
- Start seeds indoors: Chinese Broccoli
- Start seeds indoors: Chinese Cabbage
- Start seeds indoors: Chinese Forget-Me-Not
- Start seeds indoors: Chrysanthemum
- Start seeds indoors: Chrysanthemum Greens
- Start seeds indoors: Clasping Coneflower
- Start seeds indoors: Cleome
- Start seeds indoors: Coast Rock Cress
- Start seeds indoors: Coleus
- Start seeds indoors: Columbine
- Start seeds indoors: Common Morning Glory
- Start seeds indoors: Coreopsis
- Start seeds indoors: Corn Poppy
- Start seeds indoors: Cottage Pink
- Start seeds indoors: Creeping Thyme
- Start seeds indoors: Dahlberg Daisy
- Start seeds indoors: Dahlia
- Start seeds indoors: Dandelion
- Start seeds indoors: Delosperma
- Start seeds indoors: Delphinium
- Start seeds indoors: Dianthus
- Start seeds indoors: Dichondra
- Start seeds indoors: Dove Pincushion
- Start seeds indoors: Dusty Miller
- Start seeds indoors: Eggplant
- Start seeds indoors: Endive
- Start seeds indoors: English Daisy
- Start seeds indoors: Ethiopian Eggplant
- Start seeds indoors: Ethiopian Kale
- Start seeds indoors: European Columbine
- Start seeds indoors: Evening Primrose
- Start seeds indoors: Flowering Cabbage
- Start seeds indoors: Flowering Kale
- Start seeds indoors: Flowering Tobacco
- Start seeds indoors: Four O Clock
- Start seeds indoors: Gaillardia
- Start seeds indoors: Gazania
- Start seeds indoors: Geum
- Start seeds indoors: Globe Gilia
- Start seeds indoors: Goldmoss Stonecrop
- Start seeds indoors: Gomphrena
- Start seeds indoors: Ground Cherry
- Start seeds indoors: Hartweg Lupine
- Start seeds indoors: Heliopsis
- Start seeds indoors: Hibiscus
- Start seeds indoors: Hollyhock
- Start seeds indoors: Hybrid Columbine
- Start seeds indoors: Hybrid Coneflower
- Start seeds indoors: Hybrid Lobelia
- Start seeds indoors: Hypoestes
- Start seeds indoors: Hyssop
- Start seeds indoors: Iberis
- Start seeds indoors: Iceland Poppy
- Start seeds indoors: Impatiens
- Start seeds indoors: Interspecific Dianthus
- Start seeds indoors: Japanese Mugwort
- Start seeds indoors: Kohlrabi
- Start seeds indoors: Komatsuna Mustard
- Start seeds indoors: Korean Mint
- Start seeds indoors: Lace Fern
- Start seeds indoors: Lanceleaf Coreopsis
- Start seeds indoors: Large-Flowered Evening Primrose
- Start seeds indoors: Larkspur
- Start seeds indoors: Lavatera
- Start seeds indoors: Lemon Balm
- Start seeds indoors: Lemon Mint
- Start seeds indoors: Lettuce
- Start seeds indoors: Liatris
- Start seeds indoors: Linaria
- Start seeds indoors: Linum
- Start seeds indoors: Lobelia
- Start seeds indoors: Lovage
- Start seeds indoors: Lunaria
- Start seeds indoors: Lupine
- Start seeds indoors: Malabar Spinach
- Start seeds indoors: Malva
- Start seeds indoors: Marigold
- Start seeds indoors: Marjoram
- Start seeds indoors: Maximilian Sunflower
- Start seeds indoors: Mexican Hat
- Start seeds indoors: Mexican Tarragon
- Start seeds indoors: Mexican Zinnia
- Start seeds indoors: Mibuna
- Start seeds indoors: Milkweed (Common)
- Start seeds indoors: Milkweed (Tropical)
- Start seeds indoors: Mimosa
- Start seeds indoors: Mimulus
- Start seeds indoors: Mitsuba
- Start seeds indoors: Mizuna
- Start seeds indoors: Moonflower
- Start seeds indoors: Morning Glory
- Start seeds indoors: Myosotis
- Start seeds indoors: New England Aster
- Start seeds indoors: Nicotiana
- Start seeds indoors: Nierembergia
- Start seeds indoors: Oregano
- Start seeds indoors: Oriental Poppy
- Start seeds indoors: Ornamental Millet
- Start seeds indoors: Osteospermum
- Start seeds indoors: Ox-Eye Daisy
- Start seeds indoors: Painted Sage
- Start seeds indoors: Paracress
- Start seeds indoors: Pennyroyal Mint
- Start seeds indoors: Pepper (Habanero)
- Start seeds indoors: Pepper (Hot)
- Start seeds indoors: Pepper (Sweet & Hot)
- Start seeds indoors: Pepper (Tabasco)
- Start seeds indoors: Perennial Sweet Pea
- Start seeds indoors: Peruvian Verbena
- Start seeds indoors: Petunia
- Start seeds indoors: Phlox
- Start seeds indoors: Plains Coreopsis
- Start seeds indoors: Plectranthus
- Start seeds indoors: Portulaca
- Start seeds indoors: Purple Yu Choy Sum
- Start seeds indoors: Radicchio
- Start seeds indoors: Ricinus
- Start seeds indoors: Rocket Candytuft
- Start seeds indoors: Roman Chamomile
- Start seeds indoors: Romanesco Broccoli
- Start seeds indoors: Roselle
- Start seeds indoors: Rudbeckia
- Start seeds indoors: Rue
- Start seeds indoors: Russian Kale
- Start seeds indoors: Russian Sage
- Start seeds indoors: Rutabaga
- Start seeds indoors: Salad Burnet
- Start seeds indoors: Salpiglossis
- Start seeds indoors: Salvia
- Start seeds indoors: Saponaria
- Start seeds indoors: Savory
- Start seeds indoors: Scabiosa
- Start seeds indoors: Scarlet Flax
- Start seeds indoors: Scarlet Sage
- Start seeds indoors: Sedum
- Start seeds indoors: Shasta Daisy
- Start seeds indoors: Sheep Sorrel
- Start seeds indoors: Showy Evening Primrose
- Start seeds indoors: Signet Marigold
- Start seeds indoors: Silver Ponysfoot
- Start seeds indoors: Smooth Aster
- Start seeds indoors: Soapwort
- Start seeds indoors: Statice
- Start seeds indoors: Stevia
- Start seeds indoors: Stipa
- Start seeds indoors: Strawflower
- Start seeds indoors: Sundial Lupine
- Start seeds indoors: Sweet Pea
- Start seeds indoors: Sweet Woodruff
- Start seeds indoors: Tansy
- Start seeds indoors: Texas Bluebonnet
- Start seeds indoors: Texas Sage
- Start seeds indoors: Thunbergia
- Start seeds indoors: Tomatillo
- Start seeds indoors: Tomato
- Start seeds indoors: Torenia
- Start seeds indoors: Turnip
- Start seeds indoors: Verbena
- Start seeds indoors: Vietnamese Culantro
- Start seeds indoors: Vinca
- Start seeds indoors: Water Pepper
- Start seeds indoors: Western Coneflower
- Start seeds indoors: Wheat Celosia
- Start seeds indoors: Woodland Sage
- Start seeds indoors: Woodland Tobacco
- Start seeds indoors: Wormwood
- Start seeds indoors: Yarrow
- Start seeds indoors: Yu Choy Sum
- Start hardening off: Arugula
- Start hardening off: Arugula
- Start hardening off: Siberian Kale
Understand your frost dates
Frost dates for ZIP 94027: NOAA 1991-2020 normals (USC00047339 REDWOOD CITY, CA US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.