General Culture:
Grow in wet, boggy, slightly acidic soil in full sun.
Noteworthy Characteristics:
This southern blue flag is a wetland species of iris which grows to 2' tall and features violet blue flowers with falls that are crested with yellow and white. Narrow, bright green leaves often lie on the ground or in water. Unlike the species, the flowers of var. shrevei are fragrant. This native Missouri plant is found in the wild throughout northern and central Missouri in open, swampy, wet ground such as bottom land prairie adjacent to rivers, wet meadows, marshes, ditches or areas along ponds or river sloughs. Rhizomes are poisonous.
Problems:
No serious problems.
Uses:
Can be grown in water gardens or along ponds or streams, or in wet, low-lying areas of a naturalized garden or meadow. May also be grown in the border if soil and moisture requirements can be met.
© Missouri Botanical
Garden, 2001-2010
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