1、 Varieties of roses

There are many varieties of roses. There are more than 100 kinds of common varieties, and the number of hybrids and varieties can reach thousands. According to the color, there are many kinds of roses. Common are red roses, pink roses, purple roses, white roses, black roses and other colors. According to the flower type, roses can be divided into flat open type, cluster type, open cup type, deep cup type, single petal, quarter cluster, sword petal, single petal encircling, semi double petal, semi sword petal and other main varieties. The more famous roses are blue witch, Louis XIV, Carola, Diana, pink beauty, Austin rose and so on

2、 Method of growing roses

Generally, it is mainly ground planting, but potted planting can also be used. When planting, it is best to plant in a place with high terrain, sunny and no ponding. For potted planting, the soil mixed with rotten leaf soil, garden soil and river sand can be selected as the culture soil, and then an appropriate amount of rotten cake fertilizer and compound fertilizer can be added. First, the seeds should be < Select healthy mature seeds, soak them in sodium chloride solution for 3-5 minutes before sowing, and then place them in a ventilated place to dry . The second is germination soak the dried seeds in warm water at about 40 ℃ for 4-6 hours. After that, it will germinate in about a month in moist soil finally, colonization put the germinated seeds into the prepared soil for colonization. After planting, keep the soil moist and seedlings will appear in about 2 weeks

3、 Breeding method of rose

1. Illumination: sufficient illumination is required. Try to accept more than 4 hours of direct light every day. When potted plants are planted, they cannot be placed in places with insufficient indoor light for a long time, which is not conducive to their growth and flowering

2. Temperature: the suitable growth temperature is between 12-28 ℃, which can resist the low temperature of - 20 ℃. But in winter, it's best to put it indoors in a warm place

3. Watering: grasp the principles of "do not dry, do not water, pour thoroughly" and "do not water in rainy days". If it is planted on the ground, it can be watered at ordinary times. In hot summer or spring drought, water can be poured every 20-30 days or so. Potted plants need to be watered every two days, and once a day in hot summer or spring drought

4. Pruning: you don't need to prune often. Just remove the dense branches, dry branches, disease and insect pests of the old branches