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