How to grow onions in water

Onion is a common vegetable in daily life, but it is not resistant to storage, and it will sprout after a period of time, affecting eating, so many people will grow it in water when they can't finish it. How to keep the onion in water?

How to keep onions in water?

Step 1, peel off the outer layer of the onion and cut off the root base a little.

Step 2: find a shallow glassware or small glass, add some water to it, then put the onion on it and move it to a cool place. After a few days, the onion will grow leaves and many roots. When adding water, just submerge the root.

When hydroponic onions are cultivated, the key point is to change water. Generally, water should be changed every day within a week after hydroponics. After 10 days, water is changed every three or four days. After 3 weeks, onions grow leaves and roots. At this time, they can be placed in living rooms, bedrooms, kitchens and other places, which can effectively drive cockroaches, help sleep and so on.

Can you still eat onions when they sprout?

Onions can still be eaten after sprouting. Dried onions can be stored for a long time without germination or mildew, but they will germinate or rot without drying or improper storage. onions are usually the easiest to germinate at about 15 degrees Celsius. Sprouted onions and even young onions do not produce harmful substances and can still be eaten, but after onion germination, the nutrients of the scales will be transferred to the top for bud growth, resulting in a decline in nutrients. In addition, onion sprouting will affect its commodity value, and its taste is also spicy. Therefore, onions should be exposed to the sun for a period of time, and then placed in a ventilated and dry place to avoid germination as far as possible.

Generally speaking, onions are easy to grow in water, just peel off the skin, cut off the roots, and plant them in water.