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