Catharanthus roseus will freeze to death in winter. It is not cold-resistant. When cultivating periwinkle in winter, it needs to be placed indoors at a temperature of about 20 degrees. It is also necessary to use sharp scissors to cut off the dense branches of periwinkle. Prune to avoid loss of excess nutrients. You also need to control the frequency of watering. You can water it every half a month to help the periwinkle survive the winter smoothly. Will periwinkle freeze to death in winter

1. Will periwinkle freeze to death

Periwinkle will freeze to death in winter. When cultivating periwinkle in winter, if the environment If the temperature is lower than 10 degrees, it will cause poor plant growth. If the ambient temperature is lower than 5 degrees, the periwinkle will be frozen to death. It is necessary to move the periwinkle to a warm room for maintenance, and control the ambient temperature at 20 degree or so.

2. Prune branches and leaves

When cultivating periwinkles in winter, they need to be pruned. You can use sterilized sharp scissors to shorten the branches that have grown too long to avoid Excess nutrients are lost, and it is also necessary to thin out the overly dense branches and leaves of the periwinkle to increase the light transmittance and ventilation between the plants, so that the periwinkle can survive the winter safely.

3. Control watering

Winter temperatures are low and water evaporates slowly. When cultivating periwinkles in winter, if you water them too frequently, water will accumulate in the soil. , causing the periwinkle to become waterlogged and rotten, and it needs to be watered every half a month. When watering the periwinkle, it is necessary to ensure that the water temperature and room temperature are consistent to avoid frostbite to the periwinkle.

4. Maintenance and management

When maintaining periwinkle in winter, it needs to be placed in a brightly lit place indoors so that the plant can receive all-weather natural light so that the periwinkle can bloom the next year. In order to produce more beautiful flowers, it is also necessary to provide nutritionally balanced and decomposed organic fertilizer for periwinkles after spring, so that periwinkles can grow vigorously.