Overwintering guide
How to overwinter pygmy rwandan water lily
Winter watering
Cut watering right back — pygmy rwandan 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 pygmy rwandan 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 pygmy rwandan water lily rots from the base.
More pygmy rwandan water lily care
Overwintering pygmy rwandan water lily — FAQ
Does pygmy rwandan water lily need to come indoors for winter?
Pygmy Rwandan Water Lily is hardy to roughly USDA zone 12 — winter lows around 10°C. That means it will not survive frost and needs to come inside. Pygmy Rwandan 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 pygmy rwandan water lily for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water pygmy rwandan water lily in winter?
Cut watering right back — pygmy rwandan 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 pygmy rwandan 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 pygmy rwandan water lily rots from the base.