Echeveria is an easy-to-produce succulent. You can also grow air plants if your brown thumb is looking for bragging rights. What Type of Water is Used for Air Plants? It won't hold water for long if the soil has too much substrate. Because of the modern digital age, misinformation can spread quickly. It doesn't need to be complicated to water your air plants. It is not suitable for air plants because they depend on nutrients and minerals for their growth. They can also attach their roots to rocks and other plants for support, as they aren't able to absorb any nutrients or water.