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