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Overwintering guide

How to overwinter sunningdale silver pampas grass

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Sunningdale Silver Pampas Grass 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 sunningdale silver pampas grass in winter

Cutting sunningdale silver pampas grass 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 sunningdale silver pampas grass care

Overwintering sunningdale silver pampas grass — FAQ

Does sunningdale silver pampas grass need to come indoors for winter?

Sunningdale Silver Pampas Grass is hardy to roughly USDA zone 6 — winter lows around -23°C. That means it can stay outside all winter in most temperate gardens. Sunningdale Silver Pampas Grass 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 sunningdale silver pampas grass for winter?

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

How often should I water sunningdale silver pampas grass in winter?

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

What kills sunningdale silver pampas grass over winter?

Cutting sunningdale silver pampas grass 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.