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