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