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When to plant radish in Alaska

Alaska spans USDA zones 2a–6a, so the right time to plant radish shifts by weeks across the state. The window to sow seed directly 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 radish direct sow window (April 18–May 30) has passed for this year.
CityZoneLast frostFirst frostDirect sow
Anchorage5aMay 16September 20April 18 – May 30
Fairbanks2aMay 16September 6April 18 – May 30
Juneau city and6aMay 3October 14April 5 – May 17
Knik-Fairview5aMay 18September 20April 20 – June 1
Badger2aMay 22September 2April 24 – June 5
College2bMay 18September 6April 20 – June 1
North Lakes5aMay 16September 23April 18 – May 30

Radish in Alaska: FAQ

When can I plant radish in Alaska?

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

Does the radish planting date vary across Alaska?

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

Radish takes about 22–30 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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Radish planting guide →All Alaska cities →Alaska planting calendar →
When to Plant Radish in Alaska — Frost-Based Dates by City — BlissGarden