Skip to main content

Planting calendar for ZIP 04746 (Grand Isle, ME)

When to plant vegetables in Grand Isle, ME (USDA hardiness zone 4a). Typical last spring frost around May 6, 2026 10 days year to year), first fall frost around Oct 2, 202611 days).

Playing it safe? Spring frost holds off until about May 18, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Grand Isle, ME planting calendar for dates typical of the whole city.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Or get a printable ZIP 04746 calendar and sowing reminders by email:

Month by month in Grand Isle, ME

January

February

March

April

May

June

July

August

Understand your frost dates

Frost dates for ZIP 04746: NOAA 1991-2020 normals (USW00004836 FRENCHVILLE AROOSTOOK AP, ME US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.