Succulents are perfect for terrariums because they grow relatively slowly but the condensation that may build up can kill the little plants if the right medium isn’t used. Line the bottom of the container with fine gravel or rocks. … Space plants at least an inch apart (2.5 cm.) so there is adequate air flow.
Similarly, are terrariums bad for succulents?
Terrariums create the worst possible environment for succulents to grow and thrive. If your goal is to have happy and healthy plants, you need to keep them in an appropriate container and avoid succulent terrarium.
Also to know is, can you plant succulents in just rocks?
Succulents have unique adaptations that have made them hardy and versatile enough to survive a variety of harsh conditions. Therefore, your succulent should be able to survive on or in rocks so long as they have just enough soil to cover their roots.