Cultivation methods of potted dahlias regular pruning, fertilization and water control are the key to raise dahlias.

Dahlias have large and beautiful flowers with a wide variety of colors, which are suitable for family pot culture or landscaping. Dahlias are suitable for growing in loose, fertile, well-drained sandy soil for fear of stagnant water. Today, let's take a look at the cultivation methods of Dahlia potted plants.

Basin soil selection

Potted dahlias should choose sandy soil which is rich in humus and has good drainage function. The formula of soil cultivation is as follows: garden soil 2canopy 5, rotten leaf soil 2canopy 5, sandy soil 5canopy 1 and organic matter fertilizer. Heavy viscous soil, the soil that has already formed a plate had better not choose to use, it is easy to accumulate water to appear rotten root phenomenon.

Watering method

Dahlia likes water but is also afraid of stagnant water, that is, it is afraid of waterlogging and drought. Dahlia has fleshy roots, and it is easy to rot if it is overwatered, but it has luxuriant branches and leaves and large evaporation, so it needs more water supply. Therefore, it is necessary to achieve the principle of "no dry, no watering, watering thoroughly". In general, in the seedling stage of the growing period, the amount of water needed is limited. Water is watered once a day on a sunny day to keep the soil moist. It is not appropriate to be too dry and too wet.

Fertilizer supply

Dahlia likes fertilizer. From the beginning of seedlings, thin liquid fertilizer is applied once a week to two weeks, and once 6-10 days after budding. Fertilizer should be stopped when the flower bud is transparent, and it is not suitable to apply fertilizer when the temperature is high.

The amount of fertilizer used depends on the growth of the plant, and the light and thin leaves are short of fertilizer. On the contrary, if the fertilizer is used too much, the edges of the leaves are scorched or the tips of the leaves turn yellow. The leaves are thick and green, which is the best performance of topdressing.

Pick the heart and trim

Regular pruning can better manage dahlias and facilitate its growth. There are two ways to prune dahlias. The single-book shaping method is generally adopted and the four-book shaping method is generally adopted for medium-sized varieties.

The method of single-plant plastic surgery: that is, retain the terminal bud, remove all the lateral buds, concentrate the nutrition, dwarf the plant, and make it form a large flower-shaped single plant Dahlia.

Four plastic methods: is to remove the heart of the seedling, retain the basic two segments, so that it forms 3-4 lateral branches, each retaining the terminal bud, which can promote it to form a potted dahlia with four stalks and four flowers.

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