Ferrous sulfate is suitable for some acidic flowers, such as camellia, gardenia, Rhododendron, jasmine, etc. It can also be used for flowers with yellow leaf disease caused by iron deficiency. Here is a detailed introduction.

1. Acid flower

Ferrous sulfate is a kind of acid salt. It can improve the acidity of soil by dissolving ferrous sulfate in water. Like camellia, Rhododendron, gardenia, Hydrangea these acid loving flowers, can be appropriate to add some ferrous sulfate.

2. Flowers with yellow leaf disease

The reason of yellow leaf disease is the lack of iron in the plant, sometimes even lead to the plant blackening. And ferrous sulfate is rich in iron, the correct use of ferrous sulfate can supplement the plant iron, control yellow leaf disease. The ratio of 1:1000 can be used to use ferrous sulfate once a month, or once a month and a half to two months to ensure that there is no lack of acid in the basin soil. If it is used frequently and the time interval is short, it will burn the root.

3. How to use it

Ferrous sulfate is rich in acid, so it should be noted that ferrous sulfate must be diluted 500-1000 times before use. Even after dilution, don't use it too often. Just use it once every 20 days.