What to plant in March in zone 5a
233 crops to start indoors, direct sow, transplant, or harvest in March in USDA hardiness zone 5a. Typical last spring frost around May 4, 2026, first fall frost around Oct 6, 2026 — exact dates vary by location within the zone.
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Start indoors
Sow these under lights or on a windowsill now for transplants later.
- Achillea
- African Daisy
- Ageratum
- Aji Pepper
- Alternanthera
- Alyssum
- Angelica
- Angelonia
- Arabis
- Armeria
- Arroyo Lupine
- Aster
- Baby Blue Eyes
- Baby's Breath
- Bacopa
- Balsam
- Basket of Gold
- Beach Sunflower
- Bee Balm
- Beet
- Bishop's Flower
- Blanket Flower
- Blue Fescue
- Blue Flax
- Bok Choy
- Brachycome
- Broccoli
- Broccoli Raab
- Brussels Sprouts
- Cabbage
- Cabbage Microgreens
- Calendula
- California Bluebell
- Candytuft
- Canna
- Cape Gooseberry
- Cardoon
- Carnation
- Carrot
- Catchfly
- Catnip
- Cauliflower
- Celosia
- Celosia (Crested)
- Celosia (Plume)
- Celtuce / Stem Lettuce
- Chicory
- Chiltepin Pepper
- China Aster
- Chinese Broccoli
- Chinese Cabbage
- Chinese Forget-Me-Not
- Chrysanthemum
- Chrysanthemum Greens
- Clasping Coneflower
- Cleome
- Coast Rock Cress
- Coleus
- Columbine
- Common Morning Glory
- Coreopsis
- Corn Poppy
- Cottage Pink
- Creeping Thyme
- Dahlberg Daisy
- Dahlia
- Dandelion
- Delosperma
- Delphinium
- Dianthus
- Dichondra
- Dove Pincushion
- Dusty Miller
- Eggplant
- Endive
- English Daisy
- Ethiopian Eggplant
- Ethiopian Kale
- European Columbine
- Evening Primrose
- Flowering Cabbage
- Flowering Kale
- Flowering Tobacco
- Four O Clock
- Gaillardia
- Gazania
- Geum
- Globe Gilia
- Goldmoss Stonecrop
- Gomphrena
- Ground Cherry
- Hartweg Lupine
- Heliopsis
- Hibiscus
- Hollyhock
- Hybrid Columbine
- Hybrid Coneflower
- Hybrid Lobelia
- Hypoestes
- Hyssop
- Iberis
- Iceland Poppy
- Impatiens
- Interspecific Dianthus
- Japanese Mugwort
- Kale Microgreens
- Kohlrabi
- Komatsuna Microgreens
- Komatsuna Mustard
- Korean Mint
- Lace Fern
- Lanceleaf Coreopsis
- Large-Flowered Evening Primrose
- Larkspur
- Lavatera
- Lemon Balm
- Lemon Mint
- Lettuce
- Lettuce Crisphead Microgreens
- Lettuce Leaf Microgreens
- Lettuce Microgreens
- Lettuce Romaine Microgreens
- Liatris
- Linaria
- Linum
- Lobelia
- Lovage
- Lunaria
- Lupine
- Malabar Spinach
- Malva
- Marigold
- Marjoram
- Maximilian Sunflower
- Mexican Hat
- Mexican Tarragon
- Mexican Zinnia
- Mibuna
- Mibuna Microgreens
- Milkweed (Common)
- Milkweed (Tropical)
- Mimosa
- Mimulus
- Mitsuba
- Mizuna
- Mizuna Microgreens
- Moonflower
- Morning Glory
- Myosotis
- New England Aster
- Nicotiana
- Nierembergia
- Oregano
- Oregano (Greek)
- Oregano Microgreens
- Oriental Poppy
- Ornamental Millet
- Osteospermum
- Ox-Eye Daisy
- Painted Sage
- Pak Choi Microgreens
- Paracress
- Pennyroyal Mint
- Pepper (Habanero)
- Pepper (Hot)
- Pepper (Sweet & Hot)
- Pepper (Tabasco)
- Perennial Sweet Pea
- Peruvian Verbena
- Petunia
- Phlox
- Plains Coreopsis
- Plectranthus
- Portulaca
- Purple Yu Choy Sum
- Radicchio
- Ricinus
- Rocket Candytuft
- Roman Chamomile
- Romanesco Broccoli
- Roselle
- Rudbeckia
- Rue
- Russian Kale
- Russian Kale Microgreens
- Russian Sage
- Rutabaga
- Salad Burnet
- Salpiglossis
- Salvia
- Saponaria
- Savory
- Scabiosa
- Scarlet Flax
- Scarlet Sage
- Sedum
- Shasta Daisy
- Sheep Sorrel
- Sheep Sorrel Microgreens
- Showy Evening Primrose
- Signet Marigold
- Silver Ponysfoot
- Smooth Aster
- Soapwort
- Statice
- Stevia
- Stipa
- Strawflower
- Sundial Lupine
- Sweet Pea
- Sweet Woodruff
- Tansy
- Tatsoi Microgreens
- Tendergreen Mustard Microgreens
- Texas Bluebonnet
- Texas Sage
- Thunbergia
- Tomatillo
- Tomato
- Torenia
- Turnip
- Turnip Microgreens
- Verbena
- Vietnamese Culantro
- Vinca
- Water Pepper
- Western Coneflower
- Wheat Celosia
- Woodland Sage
- Woodland Tobacco
- Wormwood
- Yarrow
- Yu Choy Sum
Keep going
Timings use NOAA 1991–2020 climate normals for a representative location (Rumford, ME) in zone 5a, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.