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When to plant spinach in Alaska

Alaska spans USDA zones 2a–6a, so the right time to plant spinach shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 22 in Juneau city and to April 10 in Badger — below are local dates for 7 cities, each computed from its own frost dates.

In Anchoragethe spinach direct sow window (April 4–May 2) has passed for this year.
CityZoneLast frostFirst frostDirect sow
Anchorage5aMay 16September 20April 4 – May 2
Fairbanks2aMay 16September 6April 4 – May 2
Juneau city and6aMay 3October 14March 22 – April 19
Knik-Fairview5aMay 18September 20April 6 – May 4
Badger2aMay 22September 2April 10 – May 8
College2bMay 18September 6April 6 – May 4
North Lakes5aMay 16September 23April 4 – May 2

Spinach in Alaska: FAQ

When can I plant spinach in Alaska?

Across Alaska, the time to direct-sow spinach spans roughly March 22 in Juneau city and to April 10 in Badger, each following that city's local frost dates.

Does the spinach planting date vary across Alaska?

Yes. Alaska publishes 7 cities with their own frost dates, so the right spinach planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.

How long does spinach take to grow in Alaska?

Spinach takes about 40–50 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.

Planting reminders

Never miss a window in your area

An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.

Spinach planting guide →All Alaska cities →Alaska planting calendar →
When to Plant Spinach in Alaska — Frost-Based Dates by City — BlissGarden