Growli

Overwintering guide

How to overwinter four-leaf water clover

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Four-Leaf Water Clover is hardy to roughly USDA zone 6 — winter lows around -23°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 four-leaf water clover in winter

Cutting four-leaf water clover 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 four-leaf water clover care

Overwintering four-leaf water clover — FAQ

Does four-leaf water clover need to come indoors for winter?

Four-Leaf Water Clover is hardy to roughly USDA zone 6 — winter lows around -23°C. That means it can stay outside all winter in most temperate gardens. Four-Leaf Water Clover 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 four-leaf water clover for winter?

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

How often should I water four-leaf water clover in winter?

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

What kills four-leaf water clover over winter?

Cutting four-leaf water clover 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.