![]() ![]() Water Hyacinth (Eichhornia crassipes) A common plant that cannot tolerate frost. Giant Velvet Leaf (Salvinia longifolia) A small, tropical, floating fern with pale green, round, hairy leaves. Many floaters, including Salvinia and Water Hyacinths, are banned from several states because they can spread rapidly in natural waterways. Some floaters such as Water Hyacinth have pretty flowers too. They shade the water, sheltering fish and preventing sunlight from benefiting algae. They filter the water of nutrients that would otherwise help algae grow. They have root systems that hang down into the water. Floatersįloating plants are great additions to many water gardens. Can grow three to six inches out of the water, or it will hang several feet over the edge of water garden containers. ![]() Parrot Feather ( Myriophyllum aquaticum) Grows in shallow water, partly submerged and partly floating. It can grow in water one foot to over five feet deep. It can grow in sun to part shade in water that is six to 12 inches deep.Īnacharis (Egeria densa) Dark green leaves, and it sometimes blooms with tiny white flowers that float on the surface. It can tolerate shade, part-shade, and sun in water that is 6 to 24 inches deep.įanwort (Cabomba canadensis) Bright green feathery foliage. Wild Celery (Vallisneria sp.) flat ribbon-like, translucent, pale-green leaves. They can be beneficial as they remove nutrients from the water that would otherwise feed algae.Ī few of these plants grow mostly under water but often have above water stems that can be very attractive in containers, such as the plant called Parrot Feather. They are not necessary in a container water garden, but they can be used if desired, especially if an ecosystem approach is being used for maintenance, where each component of the system is being used. They do supply some oxygen to the water during photosynthesis, but they also consume oxygen 24 hours a day through the process of respiration. Plants that grow entirely under water are sometimes called oxygenators. Some grow completely underwater, some float around on the surface, some root on the bottom while their leaves float on the surface and some aquatic plants grow on the shoreline with their roots in muddy water. Constructing and Caring for Container Water Gardens PlantsĪquatic plants grow in a variety of conditions. ![]()
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