Growli

Overwintering guide

How to overwinter wild teasel

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Wild Teasel is hardy to roughly USDA zone 4 — winter lows around -34°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 wild teasel in winter

Cutting wild teasel 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 wild teasel care

Overwintering wild teasel — FAQ

Does wild teasel need to come indoors for winter?

Wild Teasel is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Wild Teasel 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 wild teasel for winter?

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

How often should I water wild teasel in winter?

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

What kills wild teasel over winter?

Cutting wild teasel 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.