Iris innominata (Yellow form)

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Species Name: Iris innominata (Yellow form)
Common Name: Yellow Form Del Norte County Iris

Outstanding native Iris! Compact with slender leaf blades. Unusually veined. Needs good drainage.

Plant Family: Iridaceae
Plant Type: Perennial
Height by Width: 6in.-1' H x 2' W
Growth Habit: Clumping, spreading
Deciduous/Evergreen: Evergreen
Growth Rate: Moderate
Sun Exposure: Full sun to part shade
Soil Preference: Well-draining, acidic
Water Requirements: Occasional to moderate
Cold Hardy to: 15 degrees F
Flower Season: Spring
Flower Color: Yellow
Endangered?: Not listed
Distribution: North Coast, Klamath Range
Natural Habitat: Partially shaded slopes below 6,000'

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Care and Maintenance


Other Names
  • Harlow, Nora and Kristin Jakob. Wild Lilies, Irises, and Grasses: gardening with California Monocots. Berkely and Los Angeles, CA: University of California Press. 2003.