1. Soil: red roses like fertile soil. When planting, you can choose the more fertile sandy soil. This kind of soil has good drainage performance and strong drainage performance. Do not use clay, its air permeability is relatively poor, will affect the development of plant roots, resulting in its flowering effect.
2. Light: the growth of red rose needs a lot of light, which should be at least four hours a day. If you don't touch the sun for a long time, there will be yellow leaves.
3. Temperature: the red rose needs a relatively mild growth environment, and the suitable growth environment temperature of the red rose is the best from 12 ℃ to 28 ℃. Because of the cold weather in winter, we should move the roses indoors to breed.
4. Water content: red rose is not resistant to waterlogging, but water content is also essential. When the surface is dry, we must pay attention to watering, but we should also pay attention not to ponding, ponding will lead to root rot.
1. Trimming: generally, too much trimming is not required. During the dormancy period, prune the withered branches, pest branches. In winter, the branches and leaves 10 cm away from the ground should be cut off to ensure a smooth winter.
2. Transplanting: the transplanting of red rose should wait until all leaves have fallen. It's OK to expose the roots or bring some soil all the time. Fertilization should be done half a month after transplantation. In summer, we should pay attention to irrigation, not to let water lack. Autumn should be pruned to promote metabolism.
1. Black spot: spray carbendazim, dakinin, methyltobuzin and other drugs for treatment.
2. Leaf spot: clean the diseased leaves in time. In the early stage of the disease, 1% Bordeaux solution can be used for spraying, once every half a month. It can also be treated with fifty percent times of zinc spray 800 times.
1. Indoor breeding: because red roses like light and need sufficient sunshine, it is recommended to put them in a place with sufficient sunlight. To increase ventilation, it is recommended to put it on the outdoor balcony. In winter, we should pay attention to moving into the indoor culture, lest it be frozen
2. Flowering time: the flowering period of red rose is around April and may, and the natural flowering period is from May to November. It can bloom continuously. When flowering, you must pay attention to the light. You can't bloom without enough light. When flowering, we should also provide it with sufficient sunshine and water.
