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