Overwintering guide
How to overwinter comfrey-leaved rock rose
Winter watering
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
The mistake that kills comfrey-leaved rock rose in winter
Bringing comfrey-leaved rock rose into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.
More comfrey-leaved rock rose care
Overwintering comfrey-leaved rock rose — FAQ
Does comfrey-leaved rock rose need to come indoors for winter?
Comfrey-Leaved Rock Rose is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Comfrey-Leaved Rock Rose will take cool conditions but not a hard freeze, so the aim is a frost-free winter rather than a warm one. An unheated greenhouse, porch, conservatory or bright garage all work well. Keep it cool, bright and on the dry side, and it will hold steady until growth restarts in spring.
When should I move comfrey-leaved rock rose for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water comfrey-leaved rock rose in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills comfrey-leaved rock rose over winter?
Bringing comfrey-leaved rock rose into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.