Overwintering guide
How to overwinter orange new zealand sedge
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills orange new zealand sedge in winter
Cutting orange new zealand 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 orange new zealand sedge care
Overwintering orange new zealand sedge — FAQ
Does orange new zealand sedge need to come indoors for winter?
Orange New Zealand 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. Orange New Zealand 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 orange new zealand sedge for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water orange new zealand sedge in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills orange new zealand sedge over winter?
Cutting orange new zealand 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.