Overwintering guide
How to overwinter diana clare pulmonaria
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills diana clare pulmonaria in winter
Cutting diana clare pulmonaria 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 diana clare pulmonaria care
Overwintering diana clare pulmonaria — FAQ
Does diana clare pulmonaria need to come indoors for winter?
Diana Clare Pulmonaria is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Diana Clare Pulmonaria 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 diana clare pulmonaria for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water diana clare pulmonaria in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills diana clare pulmonaria over winter?
Cutting diana clare pulmonaria 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.