Overwintering guide
How to overwinter blue star water lily
Winter watering
Cut watering right back — blue star water lily 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 blue star water lily in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and blue star water lily rots from the base.
More blue star water lily care
- Overwintering blue star water lily — our other guide for the same plant
- Full blue star water lily care guide
- Blue Star Water Lily temperature range
- How often to water blue star water lily
- How to prune blue star water lily
- Common blue star water lily problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering blue star water lily — FAQ
Does blue star water lily need to come indoors for winter?
Blue Star Water Lily is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Blue Star Water Lily 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 blue star water lily for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water blue star water lily in winter?
Cut watering right back — blue star water lily uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills blue star water lily over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and blue star water lily rots from the base.