Overwintering guide
How to overwinter atlas cedar
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills atlas cedar in winter
Cutting atlas 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 atlas cedar care
Overwintering atlas cedar — FAQ
Does atlas cedar need to come indoors for winter?
Atlas Cedar is hardy to roughly USDA zone 6 — winter lows around -23°C. That means it can stay outside all winter in most temperate gardens. Atlas 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 atlas cedar for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water atlas cedar in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills atlas cedar over winter?
Cutting atlas 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.