Skip to main content

Planting calendar for ZIP 06511 (New Haven, CT)

When to plant vegetables in New Haven, CT (USDA hardiness zone 7a). Typical last spring frost around Apr 17, 2027 (±11 days year to year), first fall frost around Oct 27, 2027 (±11 days).

Playing it safe? Spring frost holds off until about May 1, 2027 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full New Haven, CT planting calendar for dates typical of the whole city.

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 06511

Month by month in New Haven, CT

January

February

March

April

May

September

Understand your frost dates

Where these dates come from

Frost dates for ZIP 06511 come from NOAA 1991-2020 normals (USW00014758 NEW HAVEN TWEED AP, CT US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.