Growli

Overwintering guide

How to overwinter radicchio 'rossa di verona'

Verdict
Keep frost-free
When
Move under cover before the first hard frost; back outside after the last spring frost.
Hardiness
No hardiness zone is recorded for radicchio 'rossa di verona'; it prefers to stay above about 10°C (50°F) while in growth, so treat it as frost-tender unless you know otherwise for your area.

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 radicchio 'rossa di verona' in winter

Bringing radicchio 'rossa di verona' 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 radicchio 'rossa di verona' care

Overwintering radicchio 'rossa di verona' — FAQ

Does radicchio 'rossa di verona' need to come indoors for winter?

No hardiness zone is recorded for radicchio 'rossa di verona'; it prefers to stay above about 10°C (50°F) while in growth, so treat it as frost-tender unless you know otherwise for your area. Radicchio 'Rossa di Verona' 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 radicchio 'rossa di verona' for winter?

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

How often should I water radicchio 'rossa di verona' in winter?

Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.

What kills radicchio 'rossa di verona' over winter?

Bringing radicchio 'rossa di verona' 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.