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Iris versicolor

Iris - Blue Flag

Blue Flag Iris blooms in May and June with beautiful blue-violet flowers that have yellow throats. The flower petals and sepals provide a bee-sized landing strip and the markings are like runway signs guiding numerous pollinators to the plant.  Iris versicolor is visited by numerous bumblebees, mason bees, sweat bees digger bees and by syrphid flies.  Although it will grow happily in regular gardens, it is indispensable for bog gardens, wet meadows and streamsides. Iris versicolor's nutrient filtering ability makes it particularly useful in retention basins and bioswales restoration projects because of its ability to decontaminate the soil by absorbing and storing harmful pollutants. Blue Flag Iris is a good native alternative to the invasive Yellow Flag Iris (I. pseudacorus).

 

Height

36 Inches

Spread

24 Inches

Bloom Color

Blue

USDA Hardiness Zone

2
Current Availability
Qty Avail Description Comments Future Crop Future Crop Ready Date
62 Iris versicolor #2 (NATIVE-blue-violet) 250 mid June
Characteristics & Attributes
Attributes
Deer Resistant
Erosion Control
Native
Native - Straight Species
Rain Garden Plants
Soil Conditions
Average
Moist
Wet
Bloom Time
Summer
Exposure
Sun
Tolerance
Wet Site Tolerant
Foliage Color
Green
Companion Plants to Iris versicolor
Common Rush Juncus effusus
Common Rush
Joe Pye Weed Eupatorium dubium 'Little Joe'
Joe Pye Weed
Cardinal Flower Lobelia cardinalis
Cardinal Flower
Similar Plants to Iris versicolor
Copper Iris Iris fulva
Copper Iris
True Water Iris Iris louisiana 'Black Gamecock'
True Water Iris
Blue Flag Iris Iris versicolor 'Purple Flame'
Blue Flag Iris