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