Growli

Overwintering guide

How to overwinter mahonia winter sun

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Mahonia Winter Sun is hardy to roughly USDA zone 7 — winter lows around -18°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 mahonia winter sun in winter

Cutting mahonia winter sun 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 mahonia winter sun care

Overwintering mahonia winter sun — FAQ

Does mahonia winter sun need to come indoors for winter?

Mahonia Winter Sun is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Mahonia Winter Sun 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 mahonia winter sun for winter?

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

How often should I water mahonia winter sun in winter?

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

What kills mahonia winter sun over winter?

Cutting mahonia winter sun 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.