What flowers are not suitable for ferrous sulfate?

Flowers that can't be watered with ferrous sulfate include Chinese rose, Albizia Albizzia, Wei Zi, pomegranate, clove and forsythia.

Ferrous sulfate is a chemical solvent and cannot be used as fertilizer. Suitable for watering plants that like acidic growth environment, such as gardenia, jasmine, hydrangea, rhododendron and so on.

But ferrous sulfate can't be used to irrigate plants often, otherwise it will lead to soil acidification and affect plant growth.

Ferrous sulfate is an inorganic substance, white powder and tasteless. It can adjust the pH of soil, promote the formation of chlorophyll and prevent flowers and trees from yellowing due to iron deficiency.

Rose is suitable to grow in neutral to slightly alkaline soil, but ferrous sulfate can't be irrigated, because ferrous sulfate can adjust the pH value of soil, making the soil slightly acidic, which is not good for the growth of rose. Osmanthus purpurea is gorgeous, and its ornamental ability is extremely high. The requirements for soil quality are not very high, but ferrous sulfate cannot be used in the planting process.