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Planting calendar for ZIP 99504 (Anchorage, AK)

When to plant vegetables in Anchorage, AK (USDA hardiness zone 5a). Typical last spring frost around May 28, 2026 8 days year to year), first fall frost around Sep 12, 202610 days).

Playing it safe? Spring frost holds off until about Jun 7, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Anchorage, AK planting calendar for dates typical of the whole city.

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Month by month in Anchorage, AK

February

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 99504: NOAA 1991-2020 normals (USC00501220 CAMPBELL CREEK SCI CTR, AK US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.