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