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