Overwintering guide
How to overwinter white-haired crown cactus
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 white-haired crown cactus in winter
Bringing white-haired crown cactus 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 white-haired crown cactus care
- Overwintering orange snow ball cactus — the species this cultivar belongs to
- Full white-haired crown cactus care guide
- White-haired Crown Cactus temperature range
- How often to water white-haired crown cactus
- How to prune white-haired crown cactus
- Common white-haired crown cactus problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering white-haired crown cactus — FAQ
Does white-haired crown cactus need to come indoors for winter?
White-haired Crown Cactus is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. White-haired Crown Cactus 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 white-haired crown cactus for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water white-haired crown cactus in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills white-haired crown cactus over winter?
Bringing white-haired crown cactus 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.