Why GreenStalk? The only stackable system that waters all levels equally using only gravity. top water reservoir shows you how much to water, slow drip system is beneficial for plants, waters roots, not leaves, waters all pockets/plants at the same time, limited soil exposed to minimize water evaporation, when used correctly, no water waste, takes up little space – fits on patios, in greenhouses, gardens, and screened-in-porches, grow up to 90 plants in 2 square feet, stacks down for quick storage, portable – can unstack (even while planted) to transfer to a different location, grows vegetables, strawberries, herbs, flowers (even root vegetables) , no weeding or tilling, minimizes pest problems, adds height and color to your garden or deck, no bottom tray so it doesn’t attract mosquitos or over-saturate bottom planter, low maintenance design makes it possible for anyone to have a garden (limited mobility, elderly, and children), lighter and more durable than other plastic, ceramic, or clay planters/pots, easy to assemble, comes in several different colors – something for everyone, made in east tn, family-run business, 5 year manufacturer’s warranty – on utility & color, great teaching tool – shows kids where food comes from, move indoors to grow year-round, no electricity, pumps, or special solutions needed.