Growli

Overwintering guide

How to overwinter sugar snap pea

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Sugar Snap Pea is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens.

Winter watering

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

The mistake that kills sugar snap pea in winter

Cutting sugar snap pea hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.

More sugar snap pea care

Overwintering sugar snap pea — FAQ

Does sugar snap pea need to come indoors for winter?

Sugar Snap Pea is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Sugar Snap Pea is properly hardy and overwinters outside without fuss. Tidy away anything dead or diseased, apply a mulch over the crown to steady soil temperatures, and otherwise leave it alone — many hardy plants actually need a cold period to flower and grow well the following year. Save hard pruning for the right season rather than doing it in autumn.

When should I move sugar snap pea for winter?

Tidy and mulch in late autumn; leave the plant undisturbed until spring.

How often should I water sugar snap pea in winter?

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

What kills sugar snap pea over winter?

Cutting sugar snap pea hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.