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