How To Care For Plants In A Terrarium. For moss terrariums they need a light water once a week. Only use distilled reverse osmosis purified demineralized or rain water.
But lets face it not all of us have the greenest thumbs. To care for your closed terrarium make sure to hide it from direct sunlight. Regular garden soil should never be used.
One of the most common reasons terrarium plants die is due to over watering.
1272017 Once you have completed your open terrarium it will need regular watering to keep the plants and moss moist. Even snails and slugs can wreak havoc in a terrarium. Humidity can also be an issue with some plants requiring dry environments and others needing constant humidity. Pruning is one of the main chores in keeping a terrarium healthy and attractive.