Overwintering guide
How to overwinter lavender 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 lavender trumpet vine in winter
Bringing lavender 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 lavender trumpet vine care
- Overwintering lilac trumpet vine — the species this cultivar belongs to
- Full lavender trumpet vine care guide
- Lavender trumpet vine temperature range
- How often to water lavender trumpet vine
- How to prune lavender trumpet vine
- Common lavender trumpet vine problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering lavender trumpet vine — FAQ
Does lavender trumpet vine need to come indoors for winter?
Lavender 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. Lavender 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 lavender trumpet vine for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water lavender 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 lavender trumpet vine over winter?
Bringing lavender 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.