Overwintering guide
How to overwinter large-flowered copiapoa
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 large-flowered copiapoa in winter
Bringing large-flowered copiapoa 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 large-flowered copiapoa care
Overwintering large-flowered copiapoa — FAQ
Does large-flowered copiapoa need to come indoors for winter?
Large-Flowered Copiapoa is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Large-Flowered Copiapoa 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 large-flowered copiapoa for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water large-flowered copiapoa in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills large-flowered copiapoa over winter?
Bringing large-flowered copiapoa 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.