How to care for hydroponic sunflower

Hydroponic method of sunflower

First, choose a healthy and pest-free sunflower, clean the soil around the roots, cut off 1/3 of the fibrous roots and old and rotten roots. After drying, place the plant in a planting basket, fill it with soaked expanded clay, and place it in a glass bottle with the water level at 1/3 of the root system. Cover the glass bottle with a black plastic bag to block the light from the roots.

Hydroponic cultivation method of sunflower

1. When hydroponically cultivating the sunflower, there is no need to add excessive water to it. It is sufficient to allow its roots to be immersed in water, because there will be oxygen in the water, otherwise it will rot.

2. The water quality for hydroponic sunflowers should be good. You should use water that has been dried in the sun and it should be replaced in time to prevent the roots of the plants from turning black and having an odor. In addition, you must choose a good maintenance location when growing them in water. You should choose an environment with good sunshine for maintenance.

How to grow the sunflower in water

If you want the hydroponic sunflower to bloom, you must change the water frequently to ensure the water quality is clean. In addition, add appropriate nutrient solution when changing the water to ensure sufficient nutrients to promote its flowering.

How to grow the sunflower without yellowing leaves

If the sunflower is exposed to strong light when grown in water, the leaves will easily turn yellow. Therefore, in order to avoid yellow leaves, it is necessary to avoid direct sunlight. It is best to keep it in semi-shade.

Precautions for hydroponics of sunflowers

The hydroponic sunflower grows fastest when the temperature is around 20 degrees. It is not advisable to apply too much fertilizer, and it is enough to apply it once a month. In addition, during the breeding process, you must also pay attention to the indoor humidity. If the air is too dry, spray water to humidify it in time.

When cultivating the sunflower in water, you need to be careful. It may be susceptible to diseases and insect pests, especially leaf spot and stem rot. After the disease occurs, you need to spray it with carbendazim in time.