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Propagation by seed: plant 1/8 inch deep in well drained media. Germinates in 30 to 80 days at 50 F. May be slow and irregular to germinate. Requires cold cycling.
Other propagation methods: division
Care: Will tolerate part shade but prefers full sun. Consistent moisture is important they dont like to dry out, but they like well-drained soil. Bloom July to August. Height 0.25 to 0.5 ft. Width: 0.25 ft. Some sources list as hardy in zones 7 and 8 only, others say 4 to 9. I have seen wild ones growing here in my zone 6 area.
Description: Dwarf relative of the Iris. Low tuft forming leaves with starry glowers.
Bellum amethyst purple (rarely white) flowers. Branched stems with linear leaves.
Littorale violet-blue, orange-eyed flowers with grassy foliage.
Californicum (yellow-eyed grass) yellow flowers and sword shaped leaves.