Overwintering guide
How to overwinter sweet autumn clematis
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills sweet autumn clematis in winter
Cutting sweet autumn clematis 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 sweet autumn clematis care
- Overwintering sweet autumn clematis — our other guide for the same plant
- Full sweet autumn clematis care guide
- Sweet Autumn Clematis temperature range
- How often to water sweet autumn clematis
- How to prune sweet autumn clematis
- Common sweet autumn clematis problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering sweet autumn clematis — FAQ
Does sweet autumn clematis need to come indoors for winter?
Sweet Autumn Clematis is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Sweet Autumn Clematis 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 sweet autumn clematis for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water sweet autumn clematis in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills sweet autumn clematis over winter?
Cutting sweet autumn clematis 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.