How to Grow and Care for Hydroponic Cactus (Echinopsis/Cereus)

Cactus, also known as changshengqiu and commonly called caoqiu, is a perennial succulent herbaceous plant of the Cactaceae family. Cactus is a soil-grown plant, but through certain hydroponic techniques and domestication, it can also be grown in nutrient solution - this is hydroponic cactus. Hydroponic cactus has a wide range of uses, especially for office ladies who can use it for relaxation and self-cultivation. The growing methods and daily care methods for hydroponic cactus are essential knowledge for anyone who wants to grow hydroponic cactus.
Growing Methods for Hydroponic Cactus

Although cactus has thorns, it has extremely strong drought tolerance and a lovely appearance, and has always been favored by many female friends. The best growing environment for cactus is soil culture, where it can grow well with almost no care; if used for ornamental purposes, soil culture has dirtiness, which is obviously not suitable and does not conform to the aesthetic standards of female friends. Therefore, hydroponic cactus is the best choice - clean, hygienic, and highly ornamental.

The specific method for hydroponic cactus is: first, select a cactus with a sturdy body, that is, a plant with the lower stem base protruding downward, or a cactus cultivated by grafting with Sanling sword; second, cut off the original dead roots under the cactus body, then wash with clean water and dry, then induce mutation to remove soil-borne roots, and place it in an ammonia-free nutrient solution with a water level not exceeding 1/3 of the entire bottle; finally, purchase two magnets with a diameter of 6-10cm and place them in the container, the purpose being to magnetize the nutrient solution, thereby accelerating the growth of water roots.

Precautions: Place the planted cactus in an environment with relatively strong scattered light, keep the temperature above 20 degrees, and generally water roots will emerge in 3-7 days. After water roots appear, immediately replace the nutrient solution; during the mutation process, it is strictly forbidden to spray water on the cactus body, as it can easily cause the body to rot and necrose.
Daily Care Methods for Hydroponic Cactus

1. Keep the cultivation environment temperature at 5°C-30°C. This temperature range is suitable for the growth of hydroponic plants and also suitable for hydroponic cactus.
2. Ensure that the hydroponic cactus has sufficient light time; it does not necessarily need direct sunlight, and in summer, direct sunlight should be avoided as much as possible.
3. Hydroponic cactus needs regular water changes and root cleaning: change water about every 7 days in summer and every 10-15 days in winter. After changing the water, add a few drops of special nutrient solution for hydroponic cactus; regularly wash off the mucus from the cactus roots with clean water, cut off old roots and rotten roots, and then clean the container. Each time you change the water, the water level should preferably submerge 1/2-2/3 of the root system, and the remaining root segments can be left exposed to the air.

Cactus is a plant whose stems, leaves, and flowers all have high ornamental value. The growing methods and daily care methods for hydroponic cactus are essential knowledge points that must be learned for growing hydroponic cactus. Hydroponic cactus is also an art treasure; it has the effect of absorbing electromagnetic radiation and is also a natural air purifier. Placing a pot of hydroponic cactus next to your computer not only has good ornamental value, but can also play a positive role in your health.

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