Iris prismatica/Slender Blue Iris, Coastal Iris, Cube Iris

Iris prismatica / Iris prismatica
Close view of blue flowers
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Close view of blue flowers

Stiff, narrow foliage

Flowers and foliage

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Scientific Name: Iris prismatica
Common Name: Slender Blue Iris, Coastal Iris, Cube Iris
Plant Type: Evergreen
Leaf Type: Broadleaf
Hardiness Zone: 6, 7, 8 Determine Your Zone
Height: 2- 5 feet
Spread: to 1 foot
Bloom time: Spring
Flower color: Blue
Light Exposure: Part Sun, Morning sun
Drainage: Well drained, Moist
Rate of Growth: Moderate
Water Requirement: Medium
Maintenance Level: Low
Comments: This iris produces unusually slender foliage,somewhat grasslike, only about one-fourth inch wide. Flowers, about two to four inches in diameter, are generally blue to nearly purple. This iris will grow in a rather wide range of soil conditions from moist to relatively dry.