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Iris prismatica - Blue Iris

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Native Wetland Plants

Iris prismatica

Blue iris

More About Blue iris

  • Slow rhizomatous spreader
  • Endangered in PA

Iris prismatica, Blue iris, is similar to Iris versicolor except for the narrower leaves.   This hardy lakeshore perennial herb is typically found in shallow waters of pond edges,  sedge meadows, marshes, along stream banks and in forested moist soil wetlands. Blue Iris forms narrow sword-like foliage less than 1/2" wide and grows to 1-2' tall from thick creeping rhizomes. The elegant flowers of Blue Iris are 2-4" across and light to deep blue. Blooms from May to July. 

Bloom Color

Blue

Iris prismatica Characteristics & Attributes

Exposure
Sun
Partial Shade
Mature Height
1' - 2'
Spread Characteristics
Rhizomatous - Slow
Season of Interest (Flowering)
Spring
Summer
Season of Interest (Foliage)
Spring
Summer
Fall
Pond Zonation
Flood Plain - Upland
High Marsh - Saturated Soil
Foliage Color
Green
Wildlife Benefits
Bees/Pollinators
Butterflies
Hummingbirds
Critter Resistance
Deer Resistant
Wetland Indicator Status
OBL
Plant Type
Bog/Marsh
Flowering Perennial
Attributes
Container
Cut Flower
Drought Tolerant
Mass Planting
Native
Naturalizing
Ornamental Flower
Rain Garden
Salt Tolerant
USDA Hardiness Zone
3
4
5
6
7
8