When to plant Tomatoes in Alaska

In spring, from May 10 – June 15 in Juneau to May 25 – June 15 in Wasilla.

In fall, from June 1 – 20 in Anchorage to June 10 – 20 in Fairbanks.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Tomatoes planting dates by place in Alaska
PlaceSpringFall
AnchorageMay 25 – June 15June 1 – 20
FairbanksMay 25 – June 15June 10 – 20
JuneauMay 10 – June 15June 1 – 20
WasillaMay 25 – June 15June 1 – 20

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for tomatoes.