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