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When to plant kohlrabi in Alaska

Alaska spans USDA zones 2a–6a, so the right time to plant kohlrabi shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 5 in Juneau city and to April 24 in Badger — below are local dates for 7 cities, each computed from its own frost dates.

In Anchoragethe kohlrabi transplant out window (April 18–May 2) has passed for this year.
CityZoneLast frostFirst frostTransplant out
Anchorage5aMay 16September 20April 18 – May 2
Fairbanks2aMay 16September 6April 18 – May 2
Juneau city and6aMay 3October 14April 5 – April 19
Knik-Fairview5aMay 18September 20April 20 – May 4
Badger2aMay 22September 2April 24 – May 8
College2bMay 18September 6April 20 – May 4
North Lakes5aMay 16September 23April 18 – May 2

Kohlrabi in Alaska: FAQ

When can I plant kohlrabi in Alaska?

Across Alaska, the time to transplant kohlrabi spans roughly April 5 in Juneau city and to April 24 in Badger, each following that city's local frost dates.

Does the kohlrabi planting date vary across Alaska?

Yes. Alaska publishes 7 cities with their own frost dates, so the right kohlrabi 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 kohlrabi take to grow in Alaska?

Kohlrabi takes about 45–60 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.

Planting reminders

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