Growli

Overwintering guide

How to overwinter stem-forming torch lily

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Stem-forming Torch Lily 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 stem-forming torch lily in winter

Cutting stem-forming torch 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 stem-forming torch lily care

Overwintering stem-forming torch lily — FAQ

Does stem-forming torch lily need to come indoors for winter?

Stem-forming Torch Lily is hardy to roughly USDA zone 6 — winter lows around -23°C. That means it can stay outside all winter in most temperate gardens. Stem-forming Torch 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 stem-forming torch lily for winter?

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

How often should I water stem-forming torch lily in winter?

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

What kills stem-forming torch lily over winter?

Cutting stem-forming torch 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.