Growli

Overwintering guide

How to overwinter black lily magnolia

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Black Lily Magnolia is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens.

Winter watering

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

The mistake that kills black lily magnolia in winter

Cutting black lily magnolia 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 black lily magnolia care

Overwintering black lily magnolia — FAQ

Does black lily magnolia need to come indoors for winter?

Black Lily Magnolia is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Black Lily Magnolia 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 black lily magnolia for winter?

Tidy and mulch in late autumn; leave the plant undisturbed until spring.

How often should I water black lily magnolia in winter?

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

What kills black lily magnolia over winter?

Cutting black lily magnolia 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.