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King County, Washington

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‘Centaurea stoebe’

Published May 22, 2017 at 2272 × 1704 in Spotted Knapweed – June 2017 Weed of the Month

Spotted knapweed in bloom. Photo by Matt Lavin / CC BY.

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King County Weeds Instagram

It’s lesser celandine time! Early spring flowers are nice, but this one can give more grief than pleasure. It has cute little leaves and charming flowers but before you know it, you’ll have scads and scads of it popping up everywhere and forming solid mats. Lesser celandine is called Ficaria verna and is in the buttercup family. It spreads by seed, by underground tubers, and by little bulbils on the stems. It’s a determined little plant! Weirdly it dies back in early summer so you really only notice it from Jan to June. Photos by Tom Erler. #yellowflower #lessercelandine #ficariaverna #groundcover #figbuttercup

Take a moment to bask in the lovely native flowers of red flowering currant while you are out there controlling poison-hemlock and other noxious weeds. Photo by Karen Peterson. #redfloweringcurrant #ribessanguineum #pnwnativeplants #springflowers #notaweed

It’s time to look for poison-hemlock! February and March are perfect for spotting the lacy leaves and purple spotted stems, and the damp soil makes it easier to dig or pull them out. Wear gloves 🧤 and make sure you don’t accidentally ingest any, it’s very toxic! Photo by Karen Peterson #poisonhemlock #coniummaculatum #poisonplants #toxicplants

Always ready for fieldwork? Check out our job opening as a Noxious Weed Control Specialist at kingcounty.gov/jobs, apply by Feb 19. #fieldworkisfun #kingcountyjobs #botanyjobs #jobopening Photo by Ben Peterson.

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