2. Flowers and red beans can't be directly hydroponic, so the withered leaves should be removed first. Trimming the stem into an inclined shape can increase the contact area with water. Mix and stir water and preservative according to the ratio of 1: 500, and pour into a container. Never let flowers touch water. Then repeat the above steps every 2-3 days.

3. When hydroponic flowers are on a par with red beans, you can properly spray water on the flowers, which can make them more watery. Proper ventilation in the sun can increase the activity of branches and leaves.