What to plant in March in zone 6b
52 crops to start indoors, direct sow, or transplant in March in USDA hardiness zone 6b. Typical last spring frost around Apr 22, 2026, first fall frost around Oct 20, 2026 — exact dates vary by location within the zone.
Zone 6b covers a lot of ground. Enter your ZIP for March dates from your nearest weather station and a month-by-month calendar:
Start indoors
Sow these under lights or on a windowsill now for transplants later.
- Achillea
- Aji Pepper
- Burdock
- Calendula
- Cape Gooseberry
- Celtuce / Stem Lettuce
- Chamomile
- Chicory
- Chiltepin Pepper
- Chrysanthemum Greens
- Dandelion
- Eggplant
- Endive
- Ethiopian Eggplant
- Ethiopian Kale
- Feverfew
- Ground Cherry
- Huauzontle
- Komatsuna Mustard
- Korean Mint
- Lettuce
- Malabar Spinach
- Marjoram
- Mexican Tarragon
- Mibuna
- Misome
- Mitsuba
- Mizuna
- Orach
- Paracress
- Pepper (Hot)
- Pepper (Tabasco)
- Purple Yu Choy Sum
- Radicchio
- Roselle
- Stevia
- Strawberry Spinach
- Sweet Annie
- Tomatillo
- Tomato
- Vietnamese Culantro
- Water Pepper
- Yarrow
- Yu Choy Sum
Direct sow outside
Sow these straight into the garden bed this month.
Transplant outdoors
Move these hardened-off seedlings into the garden.
Keep going
Timings use NOAA 1991–2020 climate normals for a representative location (Cisco, UT) in zone 6b, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.