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Stonington, CT planting calendar

When to plant vegetables in Stonington, CT (USDA hardiness zone 7a). Typical last spring frost around Apr 11, 2026 10 days year to year), first fall frost around Oct 31, 202611 days).

Playing it safe? Spring frost holds off until about Apr 23, 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 Stonington, CT’s first frost (~Oct 31, 2026) — fastest first.

Month by month in Stonington, CT

January

February

March

April

May

August

September

Understand your frost dates

More Connecticut planting calendars

ZIP codes in Stonington

06378

Frost dates are NOAA 1991–2020 climate normals for a representative location in Stonington, CT (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.