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