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Overwintering guide

How to overwinter pumila dwarf pampas grass

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Pumila Dwarf 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 pumila dwarf pampas grass in winter

Cutting pumila dwarf 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 pumila dwarf pampas grass care

Overwintering pumila dwarf pampas grass — FAQ

Does pumila dwarf pampas grass need to come indoors for winter?

Pumila Dwarf 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. Pumila Dwarf 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 pumila dwarf pampas grass for winter?

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

How often should I water pumila dwarf pampas grass in winter?

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

What kills pumila dwarf pampas grass over winter?

Cutting pumila dwarf 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.