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