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