Overwintering guide
How to overwinter mangetout pea
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills mangetout pea in winter
Cutting mangetout 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 mangetout pea care
Overwintering mangetout pea — FAQ
Does mangetout pea need to come indoors for winter?
Mangetout 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. Mangetout 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 mangetout pea for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water mangetout pea in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills mangetout pea over winter?
Cutting mangetout 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.