Overwintering guide
How to overwinter crystal palace lobelia
Winter watering
Cut watering right back — crystal palace lobelia uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
The mistake that kills crystal palace lobelia in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and crystal palace lobelia rots from the base.
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 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Crystal Palace lobelia is frost-tender, so overwintering means bringing it inside and letting it rest rather than pushing it to grow. Move it indoors well before the first frost, give it the brightest spot you have (light levels indoors drop sharply in winter), and keep it away from both cold window glass and hot radiators — the swing between the two does more damage than the cold itself.
When should I move crystal palace lobelia for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water crystal palace lobelia in winter?
Cut watering right back — crystal palace lobelia uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills crystal palace lobelia over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and crystal palace lobelia rots from the base.