Iris cristata

'Powder Blue Giant'

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BLUE CRESTED IRIS

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Bloom Color
Bloom Time
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Height
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Fragrant lilac-blue flowers with golden crests April – May.  6″ tall foliage forms lush, dense colonies over time.  Part shade – sun.  Small to large-scale groundcover, drifts, accent, edger, rock gardens.  Northeastern U.S. native.  Zone 3.