Finally, and indoor herb kit that is stylish, sustainable and fertile with success. Both novice and experienced gardeners will enjoy this all-inclusive herb kit. Its passive hydroponic system wicks water from the bottom of the jar up to the plant roots, creating the perfect balance of water, oxygen and nutrients. Refills are required every one to two weeks, depending on the plant size. This system is the simplest, most successful, and attractive indoor gardening kit in the market!