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Gerald Darby Iris

SKU: AM020516
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‘Gerald Darby’ Iris pairs stunning foliage and vivid blooms for unmatched color in the garden. A painterly purple tint adds a striking contrast to emerging foliage, fading away to green in summer. Showy blue-violet flowers are held on dark purple stems, blooming early to mid-spring. This native hybrid Iris thrives in wet soil, so plant it in a water garden, bog garden, or let it naturalize along the edge of a stream or pond. (Iris x robusta)
key features
Botanical Name
Iris x robusta Gerald Darby
Native, Deer Resistant, Naturalizes, Cut Flowers, Striking Foliage
Growing Zones
Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
Light Requirements
Half Sun / Half Shade, Morning Sun & Afternoon Shade
Soil Moisture
Moist / Wet
Mature Height
24-36" tall
Mature Spread
18-30" wide
Bloom Time
Early to mid spring


‘Gerald Darby’ Iris begins its spring performance with a flush of sword-shaped foliage and vibrant ultraviolet blooms. ‘Gerald Darby’ is a hybrid produced by crossing two marginal aquatic iris species native to eastern North America, Iris versicolor and Iris virginica. Plant in full sun to part shade, ideally with morning sun and afternoon shade. Plants need constantly moist soils and can be planted in up to 4 inches of standing water. Blooms open early to mid-spring and make long-lasting cut flowers. Plants can be trimmed back during the dormant season. Irises spread slowly by rhizomes to form dense clumps, and can be divided in early autumn. Wear gloves when handling rhizomes. Plants are deer and rabbit resistant, and toxic if consumed.