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