Overwintering guide
How to overwinter rough hawk's-beard
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills rough hawk's-beard in winter
Cutting rough hawk's-beard 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 rough hawk's-beard care
Overwintering rough hawk's-beard — FAQ
Does rough hawk's-beard need to come indoors for winter?
Rough Hawk's-beard is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Rough Hawk's-beard 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 rough hawk's-beard for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water rough hawk's-beard in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills rough hawk's-beard over winter?
Cutting rough hawk's-beard 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.