Overwintering guide
How to overwinter silver mound artemisia
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills silver mound artemisia in winter
Cutting silver mound artemisia 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 silver mound artemisia care
Overwintering silver mound artemisia — FAQ
Does silver mound artemisia need to come indoors for winter?
Silver Mound Artemisia is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Silver Mound Artemisia 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 silver mound artemisia for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water silver mound artemisia in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills silver mound artemisia over winter?
Cutting silver mound artemisia 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.