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