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