Morphological characteristics:

1. Sun chrysanthemum. The plant height of Solanum lyratum is generally between 60cm and 150cm. The green leaves grow symmetrically and are long oval. The flowers of the sun chrysanthemum grow in clusters and are 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. Heap heart chrysanthemum. The height of the plant is slightly lower than that of the sun chrysanthemum, and the leaves are more dense and in the shape of broad slope needle. The flowers of duxinju generally open at the top, with large petals and lemon yellow flower color. The flowering time is generally from July to October

Growth habits:

1. Sun chrysanthemum. The origin of Solanum lyratum is North America. It can withstand the severe cold. At the same time, it likes the sunny and dry environment. No matter what kind of soil, it can grow very well and has very strong viability

2. Heap heart chrysanthemum. Although the chrysanthemum is not too picky, it is more suitable to grow in the environment of 15 ℃ to 28 ℃ and can grow better in alkaline soil

Breeding:

1. Sun chrysanthemum. Sunlight chrysanthemum has low requirements for soil and is easy to plant. The planting period is generally in spring and summer. The method of plant division or sowing and reproduction is adopted. The distance between plants and seedlings should be 40x40cm. In addition, it should be noted that the sunlight chrysanthemum in the growth period should be watered in time

2. Heap heart chrysanthemum. The sowing of chrysanthemum is generally selected from August to September and transplanted in the middle of March of the next spring. The spacing between plants and seedlings is 15x20cm. Before planting, we must turn over the whole land, and apply base fertilizer such as bean cake or dried chicken manure, and pay attention to watering once a week. After the flowers fall, they should be trimmed in time, so as to speed up the formation of new flower buds

Key values:

1. Sun chrysanthemum. Sun chrysanthemum is generally used as greening material, which can be planted next to fences, lawn edges, parks and other places

2. Heap heart chrysanthemum. Heap heart chrysanthemum is more ornamental than daylight chrysanthemum. It is generally used to decorate flower glasses or ground covers, and the effect is very good