How to grow onions with water

Onions, like hyacinths, can be used for hydroponics, not only with high ornamental value, but also with good hydroponics. How do onions grow in water?

First, how to grow onions with water?

1. Peel off the onion and cut off the root a little bit.

2. Find a shallow transparent glass with the mouth just enough to hold the bottom of the onion from falling, then fill the cup with water, and put the onion on the cup. In the first week, make sure to change the onion every day. Soon roots will grow at the bottom of the onion.

3. A week later, when it is found that there are more roots in the onion root, you can change the onion water the next day.

4. After about 10 days, we can see that the top of the onion has grown green buds, at this time we can change the water every 3-4 days or so.

5. In about 3 weeks, the onion is almost full-length and can be decorated on the dinner table at home.

Are onions poisonous?

Onions are not poisonous. Onion is a very popular vegetable. Many people like to add some onions or eat raw food directly when cooking, which helps to replenish the body's nutrition and is good for health. The onion itself is not poisonous, but be careful not to eat it with Xiangke food.

Generally speaking, onions grow well with water, just peel off the skin, cut off part of the roots, and put them in a shallow bottle and raise them with water.