Growli

Overwintering guide

How to overwinter geranium cinereum 'lawrence flatman'

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Geranium cinereum 'Lawrence Flatman' 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 geranium cinereum 'lawrence flatman' in winter

Cutting geranium cinereum 'lawrence flatman' 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 geranium cinereum 'lawrence flatman' care

Overwintering geranium cinereum 'lawrence flatman' — FAQ

Does geranium cinereum 'lawrence flatman' need to come indoors for winter?

Geranium cinereum 'Lawrence Flatman' is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Geranium cinereum 'Lawrence Flatman' 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 geranium cinereum 'lawrence flatman' for winter?

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

How often should I water geranium cinereum 'lawrence flatman' in winter?

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

What kills geranium cinereum 'lawrence flatman' over winter?

Cutting geranium cinereum 'lawrence flatman' 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.