Overwintering guide
How to overwinter vanilla 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 vanilla trumpet vine in winter
Bringing vanilla 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 vanilla trumpet vine care
Overwintering vanilla trumpet vine — FAQ
Does vanilla trumpet vine need to come indoors for winter?
Vanilla 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. Vanilla 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 vanilla trumpet vine for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water vanilla 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 vanilla trumpet vine over winter?
Bringing vanilla 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.