Overwintering guide
How to overwinter copper rain lily
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills copper rain lily in winter
Cutting copper rain lily 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 copper rain lily care
Overwintering copper rain lily — FAQ
Does copper rain lily need to come indoors for winter?
Copper Rain Lily is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Copper Rain Lily 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 copper rain lily for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water copper rain lily in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills copper rain lily over winter?
Cutting copper rain lily 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.