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