When to plant brussels sprouts in Alaska

Brussels sprouts
Plant out in Anchorage
May 2–May 16

Across Alaska the window opens between April 19 and May 2. Find your city below; the dates follow each town's own average last frost.

Start indoors, Anchorage
Mar 21–Apr 4
Plant out, Anchorage
May 2–May 16
Last frost, Anchorage
May 16

Start seeds indoors 6–8 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 14–16 weeks before the first frost. Sprouts taste best after a few frosts. Plan the harvest for late fall.

Brussels sprouts planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
AnchorageMay 2–May 16
JuneauApr 19–May 3
FairbanksMay 2–May 16

Questions

When should I plant brussels sprouts in Alaska?

In Anchorage, plant out from May 2 to May 16. Across Alaska the window opens between April 19 and May 2, depending on the local last frost.

How is this date worked out?

Start seeds indoors 6–8 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 14–16 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Alaska

Brussels sprouts in other states

Frost dates for every city in Alaska