Growli

Overwintering guide

How to overwinter cupcakes blush cosmos

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Cupcakes Blush cosmos is hardy to roughly USDA zone 2 — winter lows around -46°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 cupcakes blush cosmos in winter

Cutting cupcakes blush cosmos 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 cupcakes blush cosmos care

Overwintering cupcakes blush cosmos — FAQ

Does cupcakes blush cosmos need to come indoors for winter?

Cupcakes Blush cosmos is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Cupcakes Blush cosmos 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 cupcakes blush cosmos for winter?

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

How often should I water cupcakes blush cosmos in winter?

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

What kills cupcakes blush cosmos over winter?

Cutting cupcakes blush cosmos 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.