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