Bletilla striata (Thunb.) Rchb.f.
Bletilla striata is a perennial.
Bletilla striata was already described and the name validly published by Carl Peter Thunberg. It was Heinrich Gustav Reichenbach, however, who reclassified it into todays valid botanical systematics in 1878.
The perennials have a stemless growth and reach heights of 20 to 60 centimetres.
Bletilla striata is deciduous. The leaves are simple and green. They are lanceolate, entire and petiolate.
Flowers and Fruits
From May to June Bletilla striata produces racemes of erect bright bordeaux flowers that are semi-double and orchid-shaped flowers.
Bletilla striata is native to China, eastern Tibet and Japan. It is a protected species according to the Washington Convention.
The perennials prefer a half-shady situation on moist soil. The substrate should have a pH between 6,5 and 7,5. They tolerate temperatures down to -29Â°C (USDA zone 5).
Tolerance of special soil conditions
- none: waterlogging, winter dampness
The recommended planting distance is 20 to 30 centimetres, the perennials are best planted in groups of 5 to 10.
Maintenance and Propagation
The plants need little to no maintenance if grown under suitable conditions.
- If possible the plants should not be transplanted.
- Cut back in autumn.
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.