Growli

Overwintering guide

How to overwinter white-flowered beardtongue

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
White-flowered Beardtongue is hardy to roughly USDA zone 3 — winter lows around -40°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 white-flowered beardtongue in winter

Cutting white-flowered beardtongue 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 white-flowered beardtongue care

Overwintering white-flowered beardtongue — FAQ

Does white-flowered beardtongue need to come indoors for winter?

White-flowered Beardtongue is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. White-flowered Beardtongue 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 white-flowered beardtongue for winter?

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

How often should I water white-flowered beardtongue in winter?

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

What kills white-flowered beardtongue over winter?

Cutting white-flowered beardtongue 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.