Can onions be grown hydroponically? Is it better to grow them in soil or hydroponically?

Can onions be grown hydroponically?

Onions can be grown hydroponically, and there are many benefits to hydroponics. Not only can hydroponic onions be used to make good use of leftover onions and avoid waste, they can also be used as ornamental plants and keep the maintenance environment clean.

Onion hydroponic cultivation methods and key points

1. Prepare the container

When growing hydroponic onions, you can prepare a glass cup, preferably a transparent one, the size of which should be just enough to support the onion and prevent it from falling, and then fill the cup with water.

2. Processing onions

Before hydroponics, the onion should be properly processed by peeling off some of its outer skin and cutting off part of its roots. This will be more conducive to rooting in the later stage.

3. Carry out hydroponics

Place the processed onions directly on a cup filled with water. In the early stage, you need to change the water every day so that roots will grow quickly at the bottom of the onions.

Precautions for growing onions in water

1. In order to promote the growth of hydroponic onions as quickly as possible, in addition to using clean water for maintenance, you can also add some rooting powder to it, which can promote its rooting.

2. If properly maintained, hydroponic onions will sprout in about 10 days, and then you only need to change the water every 3-4 days.