Zinnia is a plant suitable for growing in a warm and humid environment. Planting zinnia requires rich and nutrient-rich soil, appropriate water, sufficient light conditions, and reasonable fertilization.

1. Planting method of zinnia

1. Soil

Deep fertile sandy soil is used to plant zinnia, and the humus soil and garden The soil is prepared in a 1:1 ratio.

2. Light

Zinnia is a light-loving plant and is suitable for planting in sunny locations. Promote vigorous growth of plant branches and leaves and ensure flowering quality and quantity.

3. Water

Planting zinnia requires moderate watering, ensuring sufficient water during the growth period and keeping the soil moist. There is no need to water if there is no drought in the soil. After the rainy season comes, better drainage work is needed.

4. Fertilization

Use diluted human manure fertilizer or sesame paste residue once a month when Zinnia grows. Promotes vigorous plant growth and brightly colored flowers.

5. Pruning

After the zinnia has grown for a period of time, clean and cut off all the leggy branches and leaves, dry and rotten branches and leaves, and diseased and old branches and leaves. Ensure that the main branches have sufficient nutrients to grow and form a good density.

2. Propagation method of Bainianhong

1. Cutting method

The most commonly used propagation method of Bainianhong is the cutting method. Cuttings are carried out in June every year, the climate is mild and suitable, and it is easy to survive. Select the vigorously growing branches on the plant and cut them out, and use carbendazim solution to disinfect them. Trim the bottom leaves and keep 2 leaves on the top. Insert it into the soil to a depth of about 10 cm, compact the surrounding soil, and cover it with plastic film to ensure the temperature is suitable.

2. Division method

Cut a section of the vigorously growing mother plant of Zinnia rubrum. After processing, insert it into new pot soil for cultivation.

If the main trunk of the tree is obviously stratified, keep 1 to 2 side branches on each main branch, and prune off other weak branches and useless branches.

The new buds on the branches will not grow into new branches until the second year. If you cut off the new shoots in early August and increase the application of water and fertilizer. After one month of differentiation, new flower buds can form and bloom again in October.