What to plant in May in zone 4b
386 crops to start indoors, direct sow, transplant, or harvest in May in USDA hardiness zone 4b. Typical last spring frost around May 8, 2026, first fall frost around Oct 3, 2026 — exact dates vary by location within the zone.
Want exact May dates for your address in zone 4b, a drag-and-drop bed layout, and sowing reminders? Enter your ZIP:
Or get a printable zone 4b calendar and reminders by email:
Start indoors
Sow these under lights or on a windowsill now for transplants later.
- Armenian Cucumber
- Cantaloupe Microgreens
- Cucamelon
- Cucumber
- Garbanzo Bean Sprouts
- Gourd (Angled Luffa)
- Gourd (Bitter)
- Gourd (Bottle)
- Gourd (Luffa)
- Gourd (Ornamental)
- Gourd (Turban)
- Gourd (Wax)
- Korean Summer Squash
- Melon
- Melon (Pickling)
- Mung Bean Sprouts
- Narrowleaf Zinnia
- Okra
- Pumpkin
- Pumpkin (Maxima)
- Pumpkin (Moschata)
- Summer Squash
- Watermelon
- West Indian Gherkin
- Winter Squash (Acorn)
- Winter Squash (Banana)
- Winter Squash (Buttercup)
- Winter Squash (Butternut)
- Winter Squash (Cushaw)
- Winter Squash (Delicata)
- Winter Squash (Hubbard)
- Winter Squash (Spaghetti)
- Zinnia
Direct sow outside
Sow these straight into the garden bed this month.
- Alfalfa
- Anise
- Anise Microgreens
- Asian Greens
- Bean
- Black Salsify
- Borage
- Borage Microgreens
- Bronze Fennel
- Buckwheat
- Caraway
- Chervil
- Chervil Microgreens
- Chrysanthemum Greens Microgreens
- Cilantro
- Cilantro Microgreens
- Corn
- Cowpea
- Cress
- Cumin
- Dill
- Dill Microgreens
- Fennel
- Fennel Microgreens
- Fenugreek
- Lima Bean
- Mustard
- Mustard Microgreens
- Mustard Sprouts
- Pea
- Pea Microgreens
- Pea Shoots
- Pea Sprouts
- Purslane
- Rapeseed
- Runner Bean
- Salsify
- Sorghum
- Soy Bean
- Soybean Sprouts
- Sunflower
- Sunflower Microgreens
- Sunflower Sprouts
- Sunn Hemp
- Sweet William
- Watercress
- Wheat
- Yardlong Bean
- Yellow Sweet Clover
Transplant outdoors
Move these hardened-off seedlings into the garden.
- Achillea
- African Daisy
- Agastache
- Ageratum
- Aji Pepper
- Alpine Strawberry
- Alternanthera
- Alyssum
- Amaranth
- Amaranth Microgreens
- Amaranthus
- Angel Wing Begonia
- Angelica
- Angelonia
- Arabis
- Armenian Cucumber
- Armeria
- Arroyo Lupine
- Artichoke
- Asclepias
- Asparagus Fern
- Aster
- Baby Blue Eyes
- Baby's Breath
- Bachelor's Button
- Bacopa
- Balsam
- Basil
- Basil Microgreens
- Basket of Gold
- Beach Sunflower
- Bee Balm
- Begonia
- Billy Buttons
- Bishop's Flower
- Black Cumin / Nigella
- Black-Eyed Susan
- Blanket Flower
- Blue Fescue
- Blue Flax
- Bolivian Begonia
- Brachycome
- Burdock
- Calendula
- California Bluebell
- California Poppy
- Campanula
- Candytuft
- Canna
- Canterbury Bells
- Cape Gooseberry
- Cardoon
- Carnation
- Catchfly
- Catnip
- Celeriac
- Celery
- Celosia
- Celosia (Crested)
- Celosia (Plume)
- Celtuce / Stem Lettuce
- Chamomile
- Chicory
- China Aster
- Chinese Celery
- Chinese Forget-Me-Not
- Chinese Toon
- Chive
- Chrysanthemum
- Chrysanthemum Greens
- Clasping Coneflower
- Cleome
- Coast Rock Cress
- Coleus
- Columbine
- Common Morning Glory
- Coreopsis
- Corn Poppy
- Cosmos
- Cottage Pink
- Creeping Thyme
- Cucamelon
- Cucumber
- Dahlberg Daisy
- Dahlia
- Dandelion
- Delosperma
- Delphinium
- Dianthus
- Dichondra
- Dove Pincushion
- Dracaena
- Dusty Miller
- Echinacea
- Endive
- English Daisy
- Epazote
- Ethiopian Kale
- European Columbine
- Evening Primrose
- Feverfew
- Flowering Tobacco
- Four O Clock
- Foxglove
- French Marigold
- Gaillardia
- Garbanzo Bean Sprouts
- Garlic Chives
- Gazania
- Geranium
- Geum
- Globe Gilia
- Goldmoss Stonecrop
- Gomphrena
- Gourd (Angled Luffa)
- Gourd (Bitter)
- Gourd (Bottle)
- Gourd (Luffa)
- Gourd (Ornamental)
- Gourd (Turban)
- Gourd (Wax)
- Grain Amaranth
- Ground Cherry
- Gypsophila
- Hamburg Parsley
- Hartweg Lupine
- Heliopsis
- Heliotrope
- Heuchera
- Hibiscus
- Hollyhock
- Holy Basil
- Horehound
- Huauzontle
- Hybrid Columbine
- Hybrid Coneflower
- Hybrid Lobelia
- Hypoestes
- Hyssop
- Iberis
- Iceland Poppy
- Impatiens
- Interspecific Dianthus
- Ivy Geranium
- Japanese Mugwort
- Johnny Jump-Up
- Kniphofia
- Komatsuna Microgreens
- Komatsuna Mustard
- Korean Mint
- Korean Summer Squash
- Lace Fern
- Lanceleaf Coreopsis
- Large-Flowered Evening Primrose
- Larkspur
- Lavatera
- Lavender
- Lemon Balm
- Lemon Basil
- Lemon Mint
- Lettuce
- Lettuce Crisphead Microgreens
- Lettuce Leaf Microgreens
- Lettuce Microgreens
- Lettuce Romaine Microgreens
- Liatris
- Lime Basil
- Linaria
- Linum
- Lobelia
- Lovage
- Love-in-a-Mist
- Love-Lies-Bleeding
- Lunaria
- Lupine
- Malabar Spinach
- Malva
- Marigold
- Marjoram
- Maximilian Sunflower
- Mexican Hat
- Mexican Sunflower
- Mexican Tarragon
- Mexican Zinnia
- Mibuna
- Mibuna Microgreens
- Milkweed (Common)
- Milkweed (Tropical)
- Mimosa
- Mimulus
- Misome
- Mitsuba
- Mizuna
- Mizuna Microgreens
- Moonflower
- Morning Glory
- Mung Bean Sprouts
- Myosotis
- Narrowleaf Zinnia
- Nasturtium
- Nasturtium Microgreens
- New England Aster
- Nicotiana
- Nierembergia
- Orach
- Orach Microgreens
- Oregano
- Oregano (Greek)
- Oregano Microgreens
- Oriental Poppy
- Ornamental Millet
- Osteospermum
- Ox-Eye Daisy
- Painted Sage
- Pak Choi Microgreens
- Palace Purple Heuchera
- Pansy
- Paracress
- Parsley
- Parsley Microgreens
- Pennyroyal Mint
- Penstemon
- Perennial Sweet Pea
- Peruvian Verbena
- Petunia
- Phacelia
- Phlox
- Plains Coreopsis
- Plectranthus
- Poppy
- Portulaca
- Primula
- Pumpkin
- Pumpkin (Maxima)
- Pumpkin (Moschata)
- Purple Yu Choy Sum
- Radicchio
- Ricinus
- Rocket Candytuft
- Rocky Mountain Penstemon
- Roman Chamomile
- Roselle
- Rudbeckia
- Rue
- Russian Sage
- Sage
- Salad Burnet
- Salpiglossis
- Salvia
- Saponaria
- Savory
- Scabiosa
- Scarlet Flax
- Scarlet Sage
- Sedum
- Shasta Daisy
- Sheep Sorrel
- Sheep Sorrel Microgreens
- Shiso
- Shiso Herb Microgreens
- Shiso Microgreens
- Showy Evening Primrose
- Signet Marigold
- Silver Ponysfoot
- Smooth Aster
- Snapdragon
- Soapwort
- Sprenger Fern
- Statice
- Stevia
- Stipa
- Stock Flower
- Strawberry Spinach
- Strawflower
- Sulphur Cosmos
- Summer Savory
- Summer Squash
- Sundial Lupine
- Sweet Annie
- Sweet Pea
- Sweet Woodruff
- Tansy
- Tarragon
- Tatsoi Microgreens
- Tendergreen Mustard Microgreens
- Texas Bluebonnet
- Texas Sage
- Thai Basil
- Thunbergia
- Thyme
- Tomatillo
- Tomato
- Torenia
- Turnip Microgreens
- Veined Catmint
- Verbena
- Veronica
- Vietnamese Culantro
- Vinca
- Viola
- Water Pepper
- Watermelon
- Wax Begonia
- West Indian Gherkin
- Western Coneflower
- Wheat Celosia
- Wild Arugula
- Winged Bean
- Winter Squash (Acorn)
- Winter Squash (Banana)
- Winter Squash (Buttercup)
- Winter Squash (Butternut)
- Winter Squash (Cushaw)
- Winter Squash (Delicata)
- Winter Squash (Hubbard)
- Winter Squash (Spaghetti)
- Woodland Sage
- Woodland Tobacco
- Wormwood
- Yarrow
- Yu Choy Sum
- Zinnia
Plant out
Set out these crops (sets, tubers, or starts) now.
Keep going
Timings use NOAA 1991–2020 climate normals for a representative location (Utica, MN) in zone 4b, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.