The striking shade-loving caladiums are the thrillers, the tallest plants in the pot, which add visual interest with their coarse, colorful leaves. The fillers are the New Guinea impatiens with their rose-colored flowers and light yellow streaks down the
Terrariums are great for plants that require moist, humid environments. Succulents don't usually prefer these types of conditions. Because succulents use their thick, fleshy leaves and stems to hold water, they don't need moist, humid conditions.