Idaho’s growing season runs long enough in the low valleys for almost any winter squash, but short and cold enough at elevation to rule out the slow ones.

There’s no frost date to build a calendar around in Hawaii, so the usual “count backward from last frost” method simply doesn’t apply.

Cucurbita moschata varieties, tropical pumpkin, kabocha, and heat-bred butternut types, outperform nearly everything else across the islands.

Winter squash goes into Georgia ground once the last-frost risk has passed, typically from late March through mid-July depending on variety and location.

Butternut and other Cucurbita moschata varieties are the safest winter squash bet across Georgia, thanks to their resistance to squash vine borer and…

Winter squash goes in the ground in north Florida once the last frost has passed, roughly February 16 to March 7 at the Jacksonville reference station.

North Florida’s frost dates leave a wide but heat-hammered window, so the fastest-maturing, most heat-tolerant vining types win there.

Sow winter squash outdoors in Delaware once soil has warmed past 60°F, typically mid-May through mid-June.

Delaware’s frost-free window runs long enough to grow almost any winter squash type to full maturity, so the real decision here is about heat, humidity…

In Connecticut, direct-sow winter squash outdoors between May 20 and June 10, once soil has warmed past the danger of a late frost.