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