Rosette Water Lettuce (Pistia Rosette), is a compact variety of floating pond plant water lettuce. It is great for naturally increasing filtration and works well in shady ponds. Like Water lettuce, the roots of rosette water lettuce are submersed and feathery making it ideal for natural filtration to keep your water clean and clear. Size: Horizontal up to 6" Growing Light: Full sun to partial shade Water Depth: Floating USDA Hardiness Zones: 9-11 **Please note: This plant cannot be shipped to AL, CA, FL, LA, MS, SC, TX, WI without proper a certificate/permit.