Growli

Overwintering guide

How to overwinter common peony 'rubra plena'

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Common Peony 'Rubra Plena' is hardy to roughly USDA zone 3 — winter lows around -40°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 common peony 'rubra plena' in winter

Cutting common peony 'rubra plena' 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 common peony 'rubra plena' care

Overwintering common peony 'rubra plena' — FAQ

Does common peony 'rubra plena' need to come indoors for winter?

Common Peony 'Rubra Plena' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Common Peony 'Rubra Plena' 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 common peony 'rubra plena' for winter?

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

How often should I water common peony 'rubra plena' in winter?

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

What kills common peony 'rubra plena' over winter?

Cutting common peony 'rubra plena' 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.