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