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Iris innominata, 'Golden Grass Iris,' 'Unnamed Iris ' – One of the most sought after of the native California Irises called Grass Irises, these are so called because their narrow leaves resemble grass when not in flower. This plant was originally obtained from the Rogue River canyon in southern Oregon, and is a deeper golden yellow than the plant pictured. Iris innominata will spread from the base to make a tight rhizomatous clump increasing in girth year after year.

The delicate-appearing foliage only serves to contrast with the 3"-4" flowers to make them seem even larger. Quite cold-hardy and tolerant to some snow, a summer rest from watering after flowering is preferred but not essential. On the other hand, it will thrive in a rainy winter climate with zero summer water, and as such is a good component of the 'xeriscape' or drought resistant native garden. In the garden, a site with well-drained soil and part shade suit it best. In its native region it is found in areas with poor, rocky, acidic soil.