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