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Somerville, MA planting calendar

When to plant vegetables in Somerville, MA (USDA hardiness zone 6b). Typical last spring frost around Apr 4, 2026 9 days year to year), first fall frost around Nov 9, 20269 days).

Playing it safe? Spring frost holds off until about Apr 15, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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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Still time to plant

As of today, these crops can still reach harvest before Somerville, MA’s first frost (~Nov 9, 2026) — fastest first.

Month by month in Somerville, MA

January

February

March

April

August

September

December

Understand your frost dates

Frost dates are NOAA 1991–2020 climate normals for a representative location in Somerville, MA (covering 3 ZIPs); your exact dates depend on your address. Schedules are guidance, not guarantees.