How to grow dahlias in pots? A full breakdown of care methods

Dahlias generally have a relatively tall plant form, and their stems also grow very sturdy. More importantly, their flowers are large and brightly colored, making them very suitable for garden planting in the ground. But some gardening friends also like to grow them as household potted plants, and as long as care and management are done properly, they can likewise bloom into a beautiful display of flowers as expected. So how do you grow dahlias in pots?

Dahlia is a very ornamental flowering plant, and its ability to adapt to the environment is also relatively strong. It is suitable for cultivation in most parts of our country, with a strong effect in landscaping and beautification. Although dahlia flowers vary in size and are very showy and fragrant, their requirements for soil are not very high. As long as it is loose, breathable, deep, slightly acidic sandy soil, they can often survive.

However, the best planting time for dahlias is spring. Generally, you can dig up a sturdy underground rhizome from the soil and plant it. When the plant grows to a height of about 40-50 cm, it is recommended to build a support frame around the plant. Because after the dahlia stems grow tall, their own weight is relatively great, so they are very prone to lodging.

Dahlias have powerful underground tubers, and the original ones generally grow numerous and large, and the sturdy tubers can store abundant water, so this plant is relatively drought-tolerant. Once it lacks water and suffers drought, the plant can transport the water stored in the underground tubers to the branches and leaves, thereby ensuring that the plant's growth is not greatly affected. But dahlias are not tolerant of water and dislike waterlogging, otherwise the tubers are prone to rotting.

But even though dahlias are relatively drought-tolerant, we cannot let them remain in a water-deficient state for a long time, otherwise it will affect their growth and flowering. After all, dahlias have lush branches and leaves and large, brightly colored flowers, so they consume a relatively large amount of water. Although their underground tubers can also store quite a bit of water, their capacity is limited after all, so when they suffer drought, they should also be watered in time.

Watering dahlias is generally done by waiting until the potting soil becomes dry and then watering thoroughly. Master the principle of "do not water if not dry; if dry, water thoroughly" and achieve "dry then wet" as well as possible. And fertilizing also has its particularities. After all, it has many flowers and leaves, so it not only consumes a lot of water but also consumes a lot of nutrients. Therefore, we should topdress it in time to avoid weakening its growth and affecting flowering.

Fertilizing dahlias generally follows the principle of "light fertilizer applied frequently." During the growing period, topdressing can be kept to once every half month, with decomposed organic fertilizer being preferable. And to promote flowering, appropriate topdressing is also needed before flowering. But at this time it is mainly to promote flowering, so phosphorus and potassium fertilizer should be the main topdressing, appropriately increasing the amount to ensure the plant grows with lush branches and leaves and large, brightly colored flowers, and can also extend the flowering time, making it more ornamental.