It's too hot for the roses in China to bloom.

Rose likes a slightly cooler environment, and the suitable temperature is between 16-27 degrees. When the temperature exceeds 32 degrees, the rose will be somewhat depressed, the flower bud differentiation will be inhibited, and then it will enter a dormant period.

How long does the rose sleep?

Roses sleep at high temperature in summer and low temperature in winter for about two months, so pay attention to maintenance at this time.

Can Chinese rose sleep in summer?

Ross will sleep in summer. Summer dormancy is a natural adjustment and response of Chinese rose to bad weather. At this time, if the growth stops by half, it will reduce the consumption of many nutrients, which is of great significance to the wintering of rose.

When does the rose begin to hibernate?

When the temperature of Chinese rose is lower than 5℃ in winter, it will enter the dormant period. Some varieties can withstand the low temperature of-15℃ and even the high temperature above 35℃. When the temperature is higher than 30℃ in summer, the rose will enter a semi-dormant state. Although the plant is not growing well, it can also bear buds, but the flower petals are few, the color is dull and the ornamental value is lost.

What about the dormant roses?

Pruning will begin after the dormant period of Chinese rose. At this time, we should cut off the residual flowers in time, take back the branches that grow too long, cut off the delicate branches and diseased branches, reduce excessive nutrition consumption, and concentrate on summer vacation.

Maintenance of Rose after Dormancy

1. Fertilization: Rose can use some slow-release compound fertilizer during dormancy, so as to slowly replenish nutrients, save energy and have the strength to spend the summer.

2, ventilation: Of course, in the high temperature and high humidity season, rose will also be infected with many pests and diseases, pay attention to ventilation, which can play a preventive role.

3. Pests and diseases: In case of diseases, timely spray pyridaben and omethoate for prevention and control, and pay attention to spraying evenly.