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