How to raise rose flowers

I. Culture environment

1. Soil: rose likes fertile and moist soil, and it is best to choose sandy loam with loose and good drainage.

2, temperature: the temperature suitable for rose growth is 18-20 ℃, if the temperature reaches 25 ℃, its growth will be accelerated, but the flowering period will be shorter; when the temperature reaches 30 ℃, it will not only bloom small, but also prone to diseases and insect pests; when the temperature is below 5 ℃, it will enter the dormant state and stop growing.

3, light: there is enough sunlight to shine on the rose to grow better, give it at least 5-6 hours of light every day, if the light is too weak, it will grow too long or the color of the flowers will fade. It is necessary to take appropriate shading measures at noon when it is hot in summer.

4. Watering: when new branches and leaves grow, they should be watered once every 2 days, once a day during budding, and once in the morning during flowering. The soil should not be too dry or too wet. You can often spray water to the leaves to cool down in summer.

II. Methods of reproduction

1. Cuttage propagation: generally choose cuttings in spring or early autumn, peel the plant first, wait for callus, and then cut off the branches for cutting.

2. Sowing and reproduction: the spacing between sowing seeds is generally 3 centimeters. After sowing, a layer of sand is covered and watered thoroughly. It will take about 40 days for seedlings to emerge.

III. Common insect pests

1. Aphids: black secretions are regretted by harm, and imidacloprid and avermectin can be used alternately during its spawning period.

2. Leaf wasps: holes will appear in the leaves, and the serious ones will nibble away the tender slightly. Spray with medicine when pests occur.