Juncus hallii Engelm.
Juncus hallii, commonly known as Hall's rush, is a grass.
Juncus hallii was described by Georg Engelmann. The name is considered as validly published.
Juncus hallii is a species in the genus Juncus which contains approximately 392 to 426 species and belongs to the family of the Juncaceae (Rush Family). The type species of the genus is Juncus acutus.
The grasses reach heights of 20 to 40 centimetres.
Juncus hallii is evergreen. The simple leaves are alternate. They are linear with entire margins and parallel venation.
Flowers and Fruits
Juncus hallii produces panicles of brown six-stellate flowers from June to August.
In summer the grasses carry loculicidal capsules.
Juncus hallii is native to the Northwest of the US and the Rocky Mountains.
The grasses prefer a sunny to half-shady situation on moist soil. The substrate should be loamy, clay or loamy clay soil with a pH between 4 and 6.
Maintenance and Propagation
Propagate by sowing in spring or by division in spring or in early summer.
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.