Growli

Overwintering guide

How to overwinter two-lobed cone plant

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Two-Lobed Cone Plant 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 — two-lobed cone plant 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 two-lobed cone plant in winter

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

More two-lobed cone plant care

Overwintering two-lobed cone plant — FAQ

Does two-lobed cone plant need to come indoors for winter?

Two-Lobed Cone Plant is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Two-Lobed Cone Plant 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 two-lobed cone plant for winter?

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

How often should I water two-lobed cone plant in winter?

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

What kills two-lobed cone plant over winter?

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