Growli

Overwintering guide

How to overwinter creeping broad-leaf sedge

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Creeping broad-leaf sedge is hardy to roughly USDA zone 6 — winter lows around -23°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 creeping broad-leaf sedge in winter

Cutting creeping broad-leaf 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 creeping broad-leaf sedge care

Overwintering creeping broad-leaf sedge — FAQ

Does creeping broad-leaf sedge need to come indoors for winter?

Creeping broad-leaf sedge is hardy to roughly USDA zone 6 — winter lows around -23°C. That means it can stay outside all winter in most temperate gardens. Creeping broad-leaf 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 creeping broad-leaf sedge for winter?

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

How often should I water creeping broad-leaf sedge in winter?

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

What kills creeping broad-leaf sedge over winter?

Cutting creeping broad-leaf 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.