Terrarium (earth display) Open Terrarium, Succulent Terrarium **Origin** An innovation on the closed terrarium, which was originally invented in 1842 by English botanist Nathaniel Bagshaw Ward **Description** This mini desert display will shelter its collection of cacti and succulents, and give you an oasis of desert plants to bring into your home! These terrariums are open so that the moisture and humidity doesn't build up, and rarely need watering because of the nature of their inhabitants. The soil should be allowed to totally dry out in between waters, especially since many of the terrarium vessels don't have drainage holes. Thanks to this they are the ultimate low-maintenance plant display! **Light** The plants in these terrariums like bright light, and will benefit from a few hours of direct sunlight per day. **Water** Water rarely, only once the soil has totally dried out. Be aware that there may not be drainage holes, so don't put in more water than the soil can absorb. **Humid