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