Are squash affected by frost?

Online Answer
Cure your pumpkins, squashes and zucchinis in a cold, dark room on a non-metal or non-concrete surface — this will make them last longer. Immature pumpkins or squashes will not ripen off the vine — so you'll want to leave them out until their skins are quite hard.
Related Questions 📌
This may be the result of a squash vine borer (SVB), which is a type of moth that lays its eggs at the base of squash plants. When the eggs hatch, the larvae burrow (or "bore") into the lower stems, weakening or killing the plant outright. ... If caught early, it's possible to save the plant..