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