Nuttall's Sunflower, Cordilleran Sunflower
Helianthus nuttallii ssp. nuttallii
Synonym: Helianthus nuttallii var. nuttallii
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Nuttall's sunflower blooming in the webmaster's Gresham, OR garden. This specimen was obtained from a wildflower nursery east of the Cascade Mountains and has done well for about 5 years as long as it gets some occasional summer and early fall water........September 16, 2017.
Paul Slichter