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Iris douglasiana Douglas Iris One of the more hardy of the native Irises, Douglas Iris forms an evergreen mound 1 to 1 1/2 feet tall. The flowers bloom in the light blue to purple range. Not particular about soil, and quite drought tolerant near the coast, good under the sunny side of native oaks. Quite deer and cow resistant. Hardy Bay Area Native Plants A-B | C-D | E-H | I-L | M-R | S-Z |
