Skip to main content

Planting calendar for ZIP 03226 (Center Harbor, NH)

When to plant vegetables in Center Harbor, NH (USDA hardiness zone 5b). Typical last spring frost around Apr 28, 2026 9 days year to year), first fall frost around Oct 16, 202611 days).

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

See the full Center Harbor, NH 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 03226 calendar and sowing reminders by email:

Month by month in Center Harbor, NH

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 03226: NOAA 1991-2020 normals (USC00275350 MEREDITH 3 NNE, NH US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.