Overwintering guide
How to overwinter painted lady sweet pea
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills painted lady sweet pea in winter
Cutting painted lady sweet 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 painted lady sweet pea care
- Overwintering sweet pea — the species this cultivar belongs to
- Full painted lady sweet pea care guide
- Painted Lady sweet pea temperature range
- How often to water painted lady sweet pea
- How to prune painted lady sweet pea
- Common painted lady sweet pea problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering painted lady sweet pea — FAQ
Does painted lady sweet pea need to come indoors for winter?
Painted Lady sweet 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. Painted Lady sweet 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 painted lady sweet pea for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water painted lady sweet pea in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills painted lady sweet pea over winter?
Cutting painted lady sweet 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.