How to grow sweet potato flowers

Sweet potato flower is a kind of flower with large and colorful flowers, which is very suitable for planting as an ornamental plant, so how to grow sweet potato flower?

What is the sweet potato flower

Sweet potato flower is called Dahlia, is a perennial herb, native to Mexico, is the most widely cultivated ornamental plant in the world, there are about 3000 cultivated varieties. There are also many varieties in China, which can be divided into single-petal, fine-petal, chrysanthemum-shaped, peony-shaped, spherical and other types. It is suitable for flower beds and flower paths, and some dwarf varieties are suitable for potted plants.

Second, how to grow sweet potato flowers?

1. Soil

Choose fertile and loose sandy soil for planting. Potted sweet potato flower planting soil is generally suitable for vegetable garden soil (50%), rotten leaf soil (20%), sandy soil (20%) and dried dung (10%). The consolidated soil is easy to cause waterlogging and rotting roots, which can not be used. In the daily management, loosen the soil in time and eliminate waterlogging in the basin, because the sweet potato fleshy roots rot when there is too much water content in the soil and poor air permeability.

2. Lighting

Sweet potato flowers like warm and cool, need to be planted in direct sunlight when the temperature is not high, and pay attention to shade when the temperature is high.

For indoor maintenance and viewing after flowering, it should be placed near the southeast doors and windows in order to prolong the flowering period and increase the number of flowers as much as possible.

3. Watering

Water once a day in summer and every 3-5 days in winter. Avoid stagnant water in potted plants, otherwise bulbs are easy to rot, and reasonable watering and fertilization should be given during the growth period, and sufficient light should be given to make them grow healthily and flourish. Watering should grasp the principle of "dry and thoroughly irrigated". In general, water is limited in the early growth stage, and it can be watered once a day on a sunny day, keeping the soil slightly moist, and it is not appropriate to be too dry and wet. In the later stage of growth, the branches and leaves are luxuriant and consume more water. Sunny or northerly weather.

4. Fertilization

Reasonable fertilization can be carried out according to the growth of sweet potato flowers. Sweet potato flower is a kind of fertilizer-loving flower, which is usually applied with dilute liquid fertilizer every 10-15 days from the seedlings. Apply it every 7-10 days after budding. Stop watering when the flower buds are transparent. It is not suitable to apply fertilizer when the temperature is high.

If you do not know whether the sweet potato flower is short of fertilizer, you can look at the leaves, where the color of the leaves is light and barren, it is the phenomenon of lack of fertilizer; on the contrary, if the fertilizer is excessive, the leaf edge is charred or the leaf tip is yellow, and the leaf is thick and dark green, which is the performance of appropriate fertilization.