Overwintering guide
How to overwinter fire 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 fire crown cactus in winter
Bringing fire 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 fire crown cactus care
Overwintering fire crown cactus — FAQ
Does fire crown cactus need to come indoors for winter?
Fire 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. Fire 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 fire crown cactus for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water fire 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 fire crown cactus over winter?
Bringing fire 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.