Growli

Overwintering guide

How to overwinter mutton bird sedge

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Mutton Bird Sedge 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 mutton bird sedge in winter

Cutting mutton bird sedge 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 mutton bird sedge care

Overwintering mutton bird sedge — FAQ

Does mutton bird sedge need to come indoors for winter?

Mutton Bird Sedge is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Mutton Bird Sedge 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 mutton bird sedge for winter?

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

How often should I water mutton bird sedge in winter?

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

What kills mutton bird sedge over winter?

Cutting mutton bird sedge 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.