Stormwater runoff is captured in a small bowl-like garden that is planted and maintained with attractive, thirsty native plants whose roots grow deep into clay soils common to the Kansas City area.

• 其原理是，利用植物需求水分的特性，其根部会深入堪萨斯市地区的黏土层，藉此牢牢地将雨水迳流留在土壤中。