Growli

Overwintering guide

How to overwinter showy japanese lily

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Showy Japanese Lily 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 showy japanese lily in winter

Cutting showy japanese lily 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 showy japanese lily care

Overwintering showy japanese lily — FAQ

Does showy japanese lily need to come indoors for winter?

Showy Japanese Lily is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Showy Japanese Lily 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 showy japanese lily for winter?

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

How often should I water showy japanese lily in winter?

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

What kills showy japanese lily over winter?

Cutting showy japanese lily 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.