Overwintering guide
How to overwinter prunus subhirtella 'autumnalis'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills prunus subhirtella 'autumnalis' in winter
Cutting prunus subhirtella 'autumnalis' 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 prunus subhirtella 'autumnalis' care
Overwintering prunus subhirtella 'autumnalis' — FAQ
Does prunus subhirtella 'autumnalis' need to come indoors for winter?
Prunus subhirtella 'Autumnalis' is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Prunus subhirtella 'Autumnalis' 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 prunus subhirtella 'autumnalis' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water prunus subhirtella 'autumnalis' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills prunus subhirtella 'autumnalis' over winter?
Cutting prunus subhirtella 'autumnalis' 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.