Growli

Overwintering guide

How to overwinter calibrachoa 'superbells lemon slice'

Verdict
Keep frost-free
When
Move under cover before the first hard frost; back outside after the last spring frost.
Hardiness
Calibrachoa 'Superbells Lemon Slice' is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze.

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 lemon slice' in winter

Bringing calibrachoa 'superbells lemon slice' 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 lemon slice' care

Overwintering calibrachoa 'superbells lemon slice' — FAQ

Does calibrachoa 'superbells lemon slice' need to come indoors for winter?

Calibrachoa 'Superbells Lemon Slice' 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 Lemon Slice' 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 lemon slice' for winter?

Move under cover before the first hard frost; back outside after the last spring frost.

How often should I water calibrachoa 'superbells lemon slice' 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 lemon slice' over winter?

Bringing calibrachoa 'superbells lemon slice' 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.