Growli

Overwintering guide

How to overwinter beacon silver dead nettle

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Beacon Silver Dead Nettle 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 beacon silver dead nettle in winter

Cutting beacon silver dead nettle 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 beacon silver dead nettle care

Overwintering beacon silver dead nettle — FAQ

Does beacon silver dead nettle need to come indoors for winter?

Beacon Silver Dead Nettle is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Beacon Silver Dead Nettle 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 beacon silver dead nettle for winter?

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

How often should I water beacon silver dead nettle in winter?

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

What kills beacon silver dead nettle over winter?

Cutting beacon silver dead nettle 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.