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