Growli

Overwintering guide

How to overwinter annual baby's breath

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Annual baby's breath is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens.

Winter watering

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

The mistake that kills annual baby's breath in winter

Cutting annual baby's breath hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.

More annual baby's breath care

Overwintering annual baby's breath — FAQ

Does annual baby's breath need to come indoors for winter?

Annual baby's breath is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Annual baby's breath is properly hardy and overwinters outside without fuss. Tidy away anything dead or diseased, apply a mulch over the crown to steady soil temperatures, and otherwise leave it alone — many hardy plants actually need a cold period to flower and grow well the following year. Save hard pruning for the right season rather than doing it in autumn.

When should I move annual baby's breath for winter?

Tidy and mulch in late autumn; leave the plant undisturbed until spring.

How often should I water annual baby's breath in winter?

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

What kills annual baby's breath over winter?

Cutting annual baby's breath hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.