Sisyrinchium idahoense var. bellum

Native to the western USA, this plant grows in damp meadows and prairies and is attractive to butterflies. A relative of the Iris it enjoys fertile, neutral to alkaline soil that is moist  but well drained. It is hardy to -10 degrees C and is semi evergreen. The leaves are bluey green and grass like and the flowers are star shaped and bright blue with a yellow throat, 

Flowering from late spring to early summer; it is ideal for patios, containers, rock gardens, pond edges, damp meadows, cottage, informal or courtyard gardens. Mature clumps can be divided in spring or it can be left to seed about.

Height x Spread: 30cm x 20cm