Growli

Overwintering guide

How to overwinter spiraea 'magic carpet'

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Spiraea 'Magic Carpet' 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 spiraea 'magic carpet' in winter

Cutting spiraea 'magic carpet' 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 spiraea 'magic carpet' care

Overwintering spiraea 'magic carpet' — FAQ

Does spiraea 'magic carpet' need to come indoors for winter?

Spiraea 'Magic Carpet' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Spiraea 'Magic Carpet' 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 spiraea 'magic carpet' for winter?

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

How often should I water spiraea 'magic carpet' in winter?

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

What kills spiraea 'magic carpet' over winter?

Cutting spiraea 'magic carpet' 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.