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