Overwintering guide
How to overwinter aquilegia 'black barlow'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills aquilegia 'black barlow' in winter
Cutting aquilegia 'black barlow' 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 aquilegia 'black barlow' care
- Overwintering columbine — the species this cultivar belongs to
- Full aquilegia 'black barlow' care guide
- Aquilegia 'Black Barlow' temperature range
- How often to water aquilegia 'black barlow'
- How to prune aquilegia 'black barlow'
- Common aquilegia 'black barlow' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering aquilegia 'black barlow' — FAQ
Does aquilegia 'black barlow' need to come indoors for winter?
Aquilegia 'Black Barlow' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Aquilegia 'Black Barlow' 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 aquilegia 'black barlow' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water aquilegia 'black barlow' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills aquilegia 'black barlow' over winter?
Cutting aquilegia 'black barlow' 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.