Leersia oryzoides (L.) Sw.
Leersia oryzoides, commonly known as Rice Cut Grass, is a grass.
Leersia oryzoides was already described and the name validly published by Carl Linnaeus. It was Olof or Olavo Swartz, however, who reclassified it into todays valid botanical systematics .
The grasses have a erect habit and reach heights of 30 to 120 centimetres. The main growing season is in summer.
Leersia oryzoides is deciduous. The green, simple leaves are alternate. They are linear with entire margins and parallel venation. The foliage is porous.
Flowers and Fruits
Leersia oryzoides produces panicles of green flowers from July to October.
The grasses produce an abundance of red caryopses from spring to summer.
The plants produce rhizomes which give rise to vegetative spread.
Leersia oryzoides is native to the whole of Europe, Asia, Canada, the whole of the US, South America and the West Indies.
The grasses prefer a sunny situation on wet soil. They prefer soil with a pH between 5,1 and 8,8 and need a soil depth of at least 36 centimetres for good growth. They need a frost-free period of at least 16 weeks. The plants are suited for shallow water and bog gardens, the planting depth is at 10 centimetres.
Classification after Prof. Dr. Sieber
- aquatic plant
Tolerance of special soil conditions
- none: soil salinity
- low: drought
- medium: anaerobic soil, calcareous soil
The recommended planting distance is 45 to 60 centimetres, the grasses are best planted in groups of 3 to 10.
Maintenance and Propagation
Propagate by sowing or by division.
Pests and Diseases
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.