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Overwintering guide

How to overwinter mophead hydrangea 'cityline paris'

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Mophead Hydrangea 'Cityline Paris' is hardy to roughly USDA zone 5 — winter lows around -29°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 mophead hydrangea 'cityline paris' in winter

Cutting mophead hydrangea 'cityline paris' 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 mophead hydrangea 'cityline paris' care

Overwintering mophead hydrangea 'cityline paris' — FAQ

Does mophead hydrangea 'cityline paris' need to come indoors for winter?

Mophead Hydrangea 'Cityline Paris' is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Mophead Hydrangea 'Cityline Paris' 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 mophead hydrangea 'cityline paris' for winter?

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

How often should I water mophead hydrangea 'cityline paris' in winter?

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

What kills mophead hydrangea 'cityline paris' over winter?

Cutting mophead hydrangea 'cityline paris' 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.