How to maintain the summer rose? Beware of black spot and scale insects

Rose has always been my favorite, I believe it is also the favorite of many flower friends, because of the variety, colorful, but also can open on the month, very suitable for balcony breeding. Many flower friends feel that no matter how beautiful the rose is, but in summer, it is as terrible as it is! In fact, summer rose flowers also have a good bloom, do these points can be.

1. Purchase. The general flowering period of roses is from August to April of the following year. Once the flowering period is over in May, it will enter the summer with high temperature and rainy weather, and the roses will usher in dormancy and semi-dormancy. However, some varieties are summer type flowers, such as red Longsha gem, which is a particularly sun-resistant rose variety. The flowering period is from March to December, and the high temperature is above 30 degrees Celsius.

2. Shade and water. Summer temperature is too high, easy to put the pot soil through the sun affect the growth of roses, so to shade the work oh. You can use shade cloth or a large basin set of small pots to cool down. The gap between the two pots of the large basin set of small pots can be added with some light stones, and the cooling effect is better.

Summer temperature is very high, pot soil moisture evaporation quickly, can be watered once in 2-4 days or so, flower friends can try flowers detector, can accurately detect pot soil water and fertilizer situation. Remember not to use tap water directly next, water contains a lot of hard substances, will affect the roots of rose. Every morning and evening can also spray water on the leaves of rose, summer is the high incidence season of rose black spot disease, can grind garlic fermentation mixed with water to spray leaves of rose, spray once every 10 days or so, can effectively prevent diseases and insect pests.

3. Apply thin fertilizer frequently. Summer rose to bloom, then also to fertilize oh, to comply with the principle of thin fertilizer application, the United States 15 days or so to apply a thin fertilizer. You can choose the organic nutrient solution for rose, which is fermented by sugarcane molasses. It is rich in humus, which can effectively promote the absorption of nutrients by rose roots. After long-term use, rose flowers will bloom bigger and brighter!

4. Thinning and pruning. Rose growth is relatively fast, in the entire growth period to blind branches, residual branches, sick branches are pruned oh, this can not only ensure the beauty of rose shape, but also avoid wasting nutrients, leaving the main branch can be. In this way, we can concentrate the supply of nutrients and ensure that the flowers bloom big and colorful!