Overwintering guide
How to overwinter cascade white trailing lobelia
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills cascade white trailing lobelia in winter
Cutting cascade white trailing lobelia 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 cascade white trailing lobelia care
- Overwintering edging lobelia — the species this cultivar belongs to
- Full cascade white trailing lobelia care guide
- Cascade White Trailing Lobelia temperature range
- How often to water cascade white trailing lobelia
- How to prune cascade white trailing lobelia
- Common cascade white trailing lobelia problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering cascade white trailing lobelia — FAQ
Does cascade white trailing lobelia need to come indoors for winter?
Cascade White Trailing Lobelia is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Cascade White Trailing Lobelia 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 cascade white trailing lobelia for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water cascade white trailing lobelia in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills cascade white trailing lobelia over winter?
Cutting cascade white trailing lobelia 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.