Water Iris 'Blue Flag'
Family: Iridaceae (Iris Family)
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Height: 24 inches
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Spread: 2-2.5 feet
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Bloom Time: May to June
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Bloom: flowering stalks rise from the clump to 30 inches tall, typically producing 3-5 violet-blue flowers per stalk; flowers have white and yellow markings at the sepal bases
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Light: full sun to
part shade
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Soil: salt tolerant; preferably good drainage
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Moisture: medium to wet
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Use: best grouped in
sunny areas of ponds or water gardens; rain garden, moist border
areas.; attracts butterflies
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Care: low
maintenance; tolerates wet soil, deer
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Concerns: no serious
insect or disease problems; susceptible to a number of insect pests including
aphids, iris borer and iris thrips; susceptible to a number of diseases
including various rots and viruses.
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Native to: native
Wisconsin prairie plant; native to
marshes, swamps, wet meadows, ditches and shorelines from Manitoba to Nova
Scotia south to Virginia, Ohio, Illinois and Minnesota
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Notes: clumps spread slowly and naturalize by tough, creeping rhizomes; deer and rabbit resistant
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Teaching Garden
Location & Code: Wet Garden D036, Naturalistic Garden H108, Rain Garden J022
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