Iris x robusta Gerald Darby 1G

(Blue Flag Iris)

Hybrid cultivar of Iris versicolor and Iris virginica

• Plant Patent: n/a
• Container Size: trade gallon
• USDA Zone: 4-9
• Height: 2-3
• Spread: 1.5-2.5’
• Sun Exposure: full sun to part shade
• Soil Moisture: average to wet
• Bloom Time: late spring to early summer
• Bloom Color: violet-blue
• Foliage Color: green, some purple in spring
• US Native: yes
• Wildlife Benefit: butterflies
• Notes: deer tolerant, rain garden