Growing Green Onions in Hydroponics: Year-Round Freshness
By Giulio Gabrieli
Growing green onions in hydroponics is a great way to have fresh produce available all year round. The benefits of growing green onions at home via hydroponics are numerous. Firstly, hydroponics allows for the growth of plants without any soil, reducing the risk of soil-borne diseases and pests. Hydroponic systems also use between 70-90% less water than traditional soil-based methods, which conserves water and enables the grower to get more bang for their buck. Additionally, growing green onions in hydroponics allows for a shorter grow cycle than traditional soil-based methods.
The best system to use for growing green onions hydroponically is a deep water culture system. This system involves suspending plant roots in oxygenated, nutrient-rich water. This system is ideal for green onions because it allows for maximum growth and easy management of the nutrient solution. For optimal growth, green onions need a balanced nutrient solution with a pH between 5.5 and 6.5.
Once the green onion seeds have germinated and been transplanted into the hydroponic system, it can take anywhere from 30 to 45 days before harvest time. Green onions can be harvested as soon as they reach a height of 6-8 inches tall. To harvest green onions, simply use a clean pair of scissors to snip them off at the base, leaving about an inch of the bulb attached to the roots. Because green onions will continue to grow in the hydroponic system, they can be harvested multiple times, allowing for a continuous supply of fresh produce.
Growing green onions in hydroponics is a great way to enjoy fresh produce all year round. The benefits of using hydroponics include reduced risk of soil-borne diseases, reduced water usage, and a shorter grow cycle. The best system for growing green onions hydroponically is a deep water culture system, which allows for maximum growth and easy management of the nutrient solution. Harvesting green onions from a hydroponic system can take anywhere from 30 to 45 days, and green onions can be harvested multiple times. Give it a try and enjoy delicious green onions from your own hydroponic garden.
Cover image by Christopher Previte on Unsplash