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