Overwintering guide
How to overwinter heuchera 'purple petticoats'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills heuchera 'purple petticoats' in winter
Cutting heuchera 'purple petticoats' 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 heuchera 'purple petticoats' care
Overwintering heuchera 'purple petticoats' — FAQ
Does heuchera 'purple petticoats' need to come indoors for winter?
Heuchera 'Purple Petticoats' is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Heuchera 'Purple Petticoats' 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 heuchera 'purple petticoats' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water heuchera 'purple petticoats' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills heuchera 'purple petticoats' over winter?
Cutting heuchera 'purple petticoats' 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.