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