When to plant Rhubarb in Alaska

In spring, from Mar 20 – Apr 15 in Juneau to Apr 15 – May 10 in Wasilla.

In fall, from Sept 15 – Nov 1 in Anchorage to Oct 15 – Nov 15 in Juneau.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Rhubarb planting dates by place in Alaska
PlaceSpringFall
AnchorageApr 15 – May 10Sept 15 – Nov 1Now
FairbanksApr 15 – May 10Sept 15 – Oct 15
JuneauMar 20 – Apr 15Oct 15 – Nov 15Now
WasillaApr 15 – May 10Sept 15 – Nov 1Now

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 rhubarb.