Overwintering guide
How to overwinter rose of sharon 'blue bird'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills rose of sharon 'blue bird' in winter
Cutting rose of sharon 'blue bird' 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 rose of sharon 'blue bird' care
- Overwintering rose of sharon — the species this cultivar belongs to
- Full rose of sharon 'blue bird' care guide
- Rose of Sharon 'Blue Bird' temperature range
- How often to water rose of sharon 'blue bird'
- How to prune rose of sharon 'blue bird'
- Common rose of sharon 'blue bird' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering rose of sharon 'blue bird' — FAQ
Does rose of sharon 'blue bird' need to come indoors for winter?
Rose of Sharon 'Blue Bird' is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Rose of Sharon 'Blue Bird' 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 rose of sharon 'blue bird' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water rose of sharon 'blue bird' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills rose of sharon 'blue bird' over winter?
Cutting rose of sharon 'blue bird' 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.