Growli

Overwintering guide

How to overwinter nematanthus wettsteinii

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Nematanthus wettsteinii is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside.

Winter watering

Cut watering right back — nematanthus wettsteinii 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 nematanthus wettsteinii in winter

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and nematanthus wettsteinii rots from the base.

More nematanthus wettsteinii care

Overwintering nematanthus wettsteinii — FAQ

Does nematanthus wettsteinii need to come indoors for winter?

Nematanthus wettsteinii is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Nematanthus wettsteinii 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 nematanthus wettsteinii for winter?

Bring indoors when nights start dropping below about 10°C, ahead of the first frost.

How often should I water nematanthus wettsteinii in winter?

Cut watering right back — nematanthus wettsteinii uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.

What kills nematanthus wettsteinii over winter?

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and nematanthus wettsteinii rots from the base.