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Planting calendar for ZIP 99610 (Kasilof, AK)

When to plant vegetables in Kasilof, AK (USDA hardiness zone 4b). Typical last spring frost around Jun 11, 2026 16 days year to year), first fall frost around Sep 1, 202615 days).

Playing it safe? Spring frost holds off until about Jul 1, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Kasilof, AK

March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 99610: NOAA 1991-2020 normals (USC00508615 SOLDOTNA 5SSW, AK US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.