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