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Overwintering guide

How to overwinter portulaca grandiflora 'sundial mango'

Verdict
Bring indoors
When
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
Hardiness
Portulaca grandiflora 'Sundial Mango' 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 — portulaca grandiflora 'sundial mango' 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 portulaca grandiflora 'sundial mango' in winter

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and portulaca grandiflora 'sundial mango' rots from the base.

More portulaca grandiflora 'sundial mango' care

Overwintering portulaca grandiflora 'sundial mango' — FAQ

Does portulaca grandiflora 'sundial mango' need to come indoors for winter?

Portulaca grandiflora 'Sundial Mango' is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Portulaca grandiflora 'Sundial Mango' 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 portulaca grandiflora 'sundial mango' for winter?

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

How often should I water portulaca grandiflora 'sundial mango' in winter?

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

What kills portulaca grandiflora 'sundial mango' over winter?

Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and portulaca grandiflora 'sundial mango' rots from the base.