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