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