If you're looking for a succulent that's easy to propagate, look no further than Echeveria. If you are a brown thumb and want to be admired, air plants can help. What Type of Water is Used for Air Plants? It won't hold water for long if the soil has too much substrate. The digital age makes it easy for misinformation quickly to spread. It doesn't take much to water air plants. It's not good for air plants, as they depend on these nutrients to grow. Their roots can also attach to rocks and other shrubs just for support as the roots can't take in water or nutrients.