Overwintering guide
How to overwinter hosta 'royal standard'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills hosta 'royal standard' in winter
Cutting hosta 'royal standard' 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 hosta 'royal standard' care
Overwintering hosta 'royal standard' — FAQ
Does hosta 'royal standard' need to come indoors for winter?
Hosta 'Royal Standard' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Hosta 'Royal Standard' 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 hosta 'royal standard' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water hosta 'royal standard' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills hosta 'royal standard' over winter?
Cutting hosta 'royal standard' 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.