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