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. … Plant the little plants in the cactus mix and firm soil around them.
Herein, what soil is best for terrariums?
What type of soil works best in terrariums? Coco – coir, peat moss or houseplant soil works with most plants, besides succulents which prefer a well-drained inorganic medium. Some people choose to make their own soil but if you’re short on time, garden store houseplant soil works just fine.