Hi Dan! This almost looks like Salmonberry based on your Northwest location - Rubus spectabilis which is a NW native you may be familiar with. Otherwise I'd venture it's a member of the Rubus (raspberry/blackberry) Genus. Do you have any other guesses?
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You wont get any this year of course, but allow the stalks to grow and next year they will branch out and you will get berries. I always cut the canes just in time so the tips do not touch the ground and root or they will take over the whole area.
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