Mammoth Venus Fly Trap is a new variety, named for its large-growing traps. Since Mammoth is a hybrid created from three of the largest varieties, it's no surprise that the traps will grow to exceed the size of the traps on a regular Venus Fly Trap. You can grow this plant indoors or outdoors with great success as long as you provide bright light and a steady supply of distilled or rainwater in a shallow saucer underneath. Size upon arrival: 1/2 to 1 inch tall Water: Keep moist with distilled or rainwater in a shallow saucer underneath Average mature height: 1 to 5 inches Zones: 6-10 Light: Bright/Full sun Soil: Peat/perlite blend or sphagnum moss