(Answered: Sisyrinchium californicum) Small plant yellow flower in swale (suburban Portland OR)

Discussion in 'Outdoor Gardening in the Pacific Northwest' started by Georgia Strait, Aug 10, 2022.

  1. Georgia Strait

    Georgia Strait Generous Contributor

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    Seeking name of this small plant that seeds freely in a recently (past couple years) “bioswale” installed by city in suburban Portland OR USA

    @Ron B - perhaps you know name?

    yellow flowers blooming now Aug 2022

    photo attached

    Thank you
     

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  2. Ron B

    Ron B Paragon of Plants 10 Years

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