Overwintering guide
How to overwinter four-angled cassiope
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills four-angled cassiope in winter
Cutting four-angled cassiope 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 four-angled cassiope care
- Overwintering arctic bell-heather — the species this cultivar belongs to
- Full four-angled cassiope care guide
- Four-angled cassiope temperature range
- How often to water four-angled cassiope
- How to prune four-angled cassiope
- Common four-angled cassiope problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering four-angled cassiope — FAQ
Does four-angled cassiope need to come indoors for winter?
Four-angled cassiope is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Four-angled cassiope 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 four-angled cassiope for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water four-angled cassiope in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills four-angled cassiope over winter?
Cutting four-angled cassiope 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.