Overwintering guide
How to overwinter calibrachoa 'superbells trailing 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 'superbells trailing blue' in winter
Bringing calibrachoa 'superbells trailing 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 'superbells trailing blue' care
- Full calibrachoa 'superbells trailing blue' care guide
- Calibrachoa 'Superbells Trailing Blue' temperature range
- How often to water calibrachoa 'superbells trailing blue'
- How to prune calibrachoa 'superbells trailing blue'
- Common calibrachoa 'superbells trailing blue' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering calibrachoa 'superbells trailing blue' — FAQ
Does calibrachoa 'superbells trailing blue' need to come indoors for winter?
Calibrachoa 'Superbells Trailing 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 'Superbells Trailing 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 'superbells trailing blue' for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water calibrachoa 'superbells trailing 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 'superbells trailing blue' over winter?
Bringing calibrachoa 'superbells trailing 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.