Egg shells can be used as flower fertilizer. It contains a variety of trace elements, such as iron, manganese, zinc, copper and protein, which can promote the growth of plants. However, it must be handled well before use, and it cannot be used directly, otherwise it will not only fail to achieve the effect, but also attract pests and harm plants. Clean it before use, then dry it, and mash it after drying. Reasonable application will make flowers and plants more colorful and flowers bigger.

Second, you can use flowers with eggshells.

Eggshell can be used as fertilizer to fertilize flowers, but not all flowers can. For example, plants planted in small flowerpots or flowers raised indoors are not recommended, because eggshells are easy to attract insects or breed bacteria because of poor indoor ventilation. On the contrary, flowers planted in the yard or in the field can be used. In addition, if alkaline soil is more suitable, it can absorb nutrients and is more conducive to growth.