Morphological characteristics:
1. Sunflower. The height of the sunflower plant is generally between 60 cm and 150 cm. The green leaves grow symmetrically and are oblong. Sunflower flowers are clustered and very beautiful. Its flower diameter is generally 5cm-7cm, the flower color is bright yellow, and the flowering time is generally from June to September.
2. Duixinju. The plant height of Duixinju is slightly lower than that of Sunflower, and the leaves are denser and broad-slope needle-shaped. The flowers of Duixinju generally bloom at the top, with relatively large petals, and the flower color is lemon yellow. The flowering time is generally from July to October.
Growth habits:
1. Sunflower. Sunflowers are native to North America and can withstand severe cold. At the same time, they like sunny and dry environments. They can grow particularly well in any soil and have very strong survivability.
2. Duixinju. Although Duxinju is not too picky about the environment, in comparison, it is more suitable to grow in an environment of 15°C to 28°C, and can grow better in alkaline soil.
Breeding and cultivation:
1. Sunflower. Sunflower has relatively low soil requirements and is relatively easy to plant. The planting period is generally selected in spring and summer. The method of propagation is to divide the plants or sow them. The distance between the seedlings should be 40x40 cm. In addition, attention should be paid to the growth Water the sunflowers at the right time when they are in their early stages.
2. Duixinju. The sowing of Duxin chrysanthemum is usually from August to September, and transplantation is carried out in mid-March of the following spring. The spacing between seedlings is 15x20 cm. Before planting, the land must be plowed, and base fertilizer such as bean cake or chicken manure must be applied, and water should be watered once a week. Prune the flowers promptly after they fall to speed up the formation of new flower buds.
Main values:
1. Sunflower. Sunflowers are generally used as greening materials and can be planted beside fences, lawn edges, parks and other places.
2. Duixinju. The ornamental value of Duixin chrysanthemum is stronger than that of Sunflower chrysanthemum. It is generally used to decorate flower mirrors or as ground cover, and the effect is very good.