Iris sibirica 'Butter and Sugar' (25) plants
Common name: Siberian Iris.
Zones 3 to 9.
Full sun to part shade.
Plants reach 28 inches tall and 18 to 24 inches wide;
Herbaceous perennial clumps will grow together to inhibit weeds.
Growth rate: Moderate.
Creamy white standards and butter-yellow falls, both with greenish yellow veins on rigid stems rise above a clump of arching, narrow, grass-like, linear leaves. Blooms in early summer with a possible rebloom later in the season. Deadheading will not extend this variety's blooms.
American Iris Society Honorable Mention 1978
American Iris Society Award of Merit 1981
American Iris Society Morgan-Wood Medal (Best Siberian Iris) 1986
Siberian Iris will tolerate a wide range of soils, but prefers very moist, organic, slightly acid soil. It will perform in boggy conditions, and will survive poor, dry soil if its thick roots penetrate deep enough. They will tolerate part shade in warmer zones.
New clumps may take two or three years to become firmly established and bloom profusely. It is best not to divide iris during bloom period, wait until fall.
Attributes: bog plant, border plant, container, cut flower, and mass plantings. disease resistance Attracts hummingbirds. They can also be grown under Black Walnut trees. |
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