Growli

Overwintering guide

How to overwinter arctic bell-heather

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Arctic Bell-heather is hardy to roughly USDA zone 1 — winter lows around -51°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 arctic bell-heather in winter

Cutting arctic bell-heather 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 arctic bell-heather care

Overwintering arctic bell-heather — FAQ

Does arctic bell-heather need to come indoors for winter?

Arctic Bell-heather is hardy to roughly USDA zone 1 — winter lows around -51°C. That means it can stay outside all winter in most temperate gardens. Arctic Bell-heather 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 arctic bell-heather for winter?

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

How often should I water arctic bell-heather in winter?

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

What kills arctic bell-heather over winter?

Cutting arctic bell-heather 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.