The new AeroGarden® 7-Pod Pro-100 with stainless steel accents is the easiest garden you???ll ever tend—no weeding, no watering, no worries! Tomatoes, herbs and salad greens grow twice as fast in this fully contained system. Simply plug it in; select your plant type; add water, nutrient tablets, and growing cartridge and you can be enjoying your first harvest in as little as four weeks. AeroGarden®???s NASA-tested technology grows plants without soil, by bathing roots in an "aeroponic" mist of water and nutrients. The Pro-100???s Adaptive Growth Intelligence system ensures your success by providing plants with the perfect conditions at every stage of growth. It adjusts the brightness of the lights automatically to stimulate the plants' development depending on the stage of their growth cycle and has an additional light to indicate when to replace the lightbulbs. Simply pop in the growing cartridges and set the one-button program to the correct plant type Uses custom Seed Kit cartridges (sold separately) specifically designed for this 7-Pod system Comes with a free Gourmet Herb Seed Kit and simple instructions See all of the AeroGarden® seed kits and accessories NASA-tested aeroponic technology Roots are bathed in a fine mist that provides moisture and nutrients Control panel tells you when to add fertilizer Full-spectrum grow light adjusts automatically to simulate natural light cycles 18-1/2" L x 15-1/2" W x 20" H