Mini-Gardens for Your Home: Indoor gardening with terrariums is a fun and attractive way to incorporate plants into any home décor. This is a great container for Children who love gardening, and making a terrarium to take home is a party favor they’re sure to remember. A terrarium has a base of gravel, charcoal, moss, and soil, and supports a miniature garden of moisture-loving plants. A terrarium is a fun and easy way to incorporate plants into your décor with minimal maintenance . Air plants, cacti, and succulents are good low-maintenance choices for this modern-style terrarium.