Growli

Overwintering guide

How to overwinter squash

Verdict
Grown as an annual
When
Lift or take cuttings before the first frost — or let it finish and save seed.
Hardiness
Squash is grown as an annual — it is frost-tender and naturally finishes at the end of the season, whatever your zone.

Winter watering

If you do keep it going indoors, water sparingly — just enough that the compost never dries out completely — and do not feed until growth restarts in spring.

The mistake that kills squash in winter

Leaving squash outside over winter expecting it back in spring. As an annual it will not return — seed or cuttings are the only way to carry it forward.

More squash care

Overwintering squash — FAQ

Does squash need to come indoors for winter?

Squash is grown as an annual — it is frost-tender and naturally finishes at the end of the season, whatever your zone. In most climates squash is grown as an annual, so there is usually nothing to overwinter — the plant completes its life cycle and dies back with the first frosts. If you want to carry it over, lift it before the first frost and grow it on in the brightest window you have, or take cuttings; otherwise collect seed and start fresh in spring, which is what most growers do.

When should I move squash for winter?

Lift or take cuttings before the first frost — or let it finish and save seed.

How often should I water squash in winter?

If you do keep it going indoors, water sparingly — just enough that the compost never dries out completely — and do not feed until growth restarts in spring.

What kills squash over winter?

Leaving squash outside over winter expecting it back in spring. As an annual it will not return — seed or cuttings are the only way to carry it forward.