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What to plant in April in zone 6b

257 crops to start indoors, direct sow, transplant, or harvest in April in USDA hardiness zone 6b. Typical last spring frost around Apr 23, 2026, first fall frost around Oct 21, 2026 — exact dates vary by location within the zone.

Want exact April dates for your address in zone 6b, a drag-and-drop bed layout, and sowing reminders? Enter your ZIP:

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Start indoors

Sow these under lights or on a windowsill now for transplants later.

Direct sow outside

Sow these straight into the garden bed this month.

Transplant outdoors

Move these hardened-off seedlings into the garden.

Plant out

Set out these crops (sets, tubers, or starts) now.

Keep going

Timings use NOAA 1991–2020 climate normals for a representative location (ZIP 01509) in zone 6b, computed with the same engine as GardenDraft’s in-app schedule. Guidance, not guarantees — your exact dates depend on your address.