Floating WaterLettuceInPond.Clear WaterPond Plants - Hydrosphere Water Gardens. 124. WaterLettuce (Pistia) for Your Aquatic Garden. Waterlettuce plants can add interest to your backyard garden pond. Learn how to care for them properly to keep them in check with tips from this article. How To Plant WaterLettuceIn A Pond. After buying your WaterLettucein small groups or by the head, detach all yellow leaves in preparation for planting. The best time to plant is during late April when the last frost of the season has gone. Waterlettuce provides a floating rosette of attractive foliage that resembles lettuce. The plants float inponds and water features, forming dense clumps of leaves. The leaves remain dry while the long roots dangle freely in the water. No significant differences in the ponds after 7 and 14 days in removal of enterococci were observed between waterlettuceponds and that of duckweed and algal ponds after 21 days. Explore a wide range of our WaterLettucePond Plant selection. Find top brands, exclusive offers, and unbeatable prices on eBay UK. Some pond owners wonder if it’s possible to bring waterlettuce inside during the winter months, placing them in an aquarium until the spring.It is extremely important for pond owners to compost their waterlettuce after first frost and purchase fresh waterlettuce for the coming season. Waterlettuce forms large, dense floating mats. The plant can adapt to life inponds, lakes and quiet areas of rivers and streams, but cannot withstand salt water. Rosette WaterLettuce provides many functions for your pondWhen you receive your WaterLettuce, place it in a bucket or baby pool with pondwater in a shady area with filtered sunlight for the first 24 - 48 hours. Waterlettuce prefers calm water. Provide Sunlight: Place the pond or aquarium where the waterlettuce can receive at least six hours of sunlight daily. How do you winterize waterlettuce? Water hyacinth and waterlettuce, which are inexpensive and easy to replace, are examples of these. Overwintering pond plants, such as lily-like aquatics, need to be submerged, yet warm enough. Waterlettuce really does resemble a floating head of lettuce or cabbage. The lime green leaves are spongy, crinkly and velvet in texture. When mature, each leaf may grow up to 12 inches. One individual plant can grow up to 24 inches in diameter, though waterlettuce has a running spread. Waterlettuce, or Pistia stratiotes, is in the family Araceae and is a perennial evergreen that forms large floating colonies that can be invasive if left unchecked. The spongy foliage is light green to gray-green colored and is 1 to 6 inches (2.5-15 cm.) long. Materials and methods: In this study, waterlettuce (P. stratiotes) was planted in the treatment plots of two stormwater detention ponds (East and West Ponds) in 2005-2007 and water samples from both treatment and control plots were weekly collected and analyzed for water quality...