Plant. Stack. Grow. Water Top Planter & All Plants Below Get Watered - SMART GARDENING Grow More in any Space and minimize maintenance. Take Care of a 24 Veggie Garden By Watering 1 Pot Maximizes Greenhouses, Backyards, Patios, Grow Rooms Soil Volume 12.5 Quarts! - 18" Diameter - 7.5" Height - Made In USA - Heavy Duty These pots are made to last and are the same pots used by Commercial Growers and Universities around the country.