Overwintering guide
How to overwinter crystal palace lobelia
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills crystal palace lobelia in winter
Cutting crystal palace 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 crystal palace lobelia care
- Overwintering edging lobelia — the species this cultivar belongs to
- Overwintering crystal palace lobelia — our other guide for the same plant
- Full crystal palace lobelia care guide
- Crystal Palace Lobelia temperature range
- How often to water crystal palace lobelia
- How to prune crystal palace lobelia
- Common crystal palace lobelia problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering crystal palace lobelia — FAQ
Does crystal palace lobelia need to come indoors for winter?
Crystal Palace 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. Crystal Palace 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 crystal palace lobelia for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water crystal palace lobelia in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills crystal palace lobelia over winter?
Cutting crystal palace 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.