Overwintering guide
How to overwinter catharanthus roseus 'titan polka dot'
Winter watering
Cut watering right back — catharanthus roseus 'titan polka dot' 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 catharanthus roseus 'titan polka dot' in winter
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and catharanthus roseus 'titan polka dot' rots from the base.
More catharanthus roseus 'titan polka dot' care
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Overwintering catharanthus roseus 'titan polka dot' — FAQ
Does catharanthus roseus 'titan polka dot' need to come indoors for winter?
Catharanthus roseus 'Titan Polka Dot' is hardy to roughly USDA zone 10 — winter lows around -1°C. That means it will not survive frost and needs to come inside. Catharanthus roseus 'Titan Polka Dot' 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 catharanthus roseus 'titan polka dot' for winter?
Bring indoors when nights start dropping below about 10°C, ahead of the first frost.
How often should I water catharanthus roseus 'titan polka dot' in winter?
Cut watering right back — catharanthus roseus 'titan polka dot' uses far less while growth slows, and cold, wet compost is the usual cause of winter root rot. Stop feeding until spring.
What kills catharanthus roseus 'titan polka dot' over winter?
Watering on the same schedule as summer. In winter that keeps the roots sodden while the plant is barely drinking, and catharanthus roseus 'titan polka dot' rots from the base.