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King County, Washington

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‘Hieracium caespitosum’

Published April 3, 2019 at 4032 × 3024 in Learn about noxious weeds at upcoming classes in April and May

Orange hawkweed

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King County Weeds Instagram

They’re so cute when they’re little! Milk thistle is another plant that is both useful and harmful. On farms around Enumclaw we’ve been battling it for years, helping the farmers who accidentally got it introduced through contaminated hay and probably shared equipment across farms. It’s a huge, spiny thistle that crowds out pasture grasses and can cause nitrate poisoning in cattle 🐄 if they eat too much. Milk thistle, Silybum marianum, is also a medicinal plant, primarily the seeds. To avoid causing problems for farmers, please don’t plant this species in Washington! You can get the seeds for medicine but just don’t release them in the wild! Photo and milk thistle control awesomeness by Ashlie Arthur. #babyweeds #dontbefooledbythecuteness #milkthistle #silybummarianum #medicinalplants #pastureweeds #badforcows

Fall rain 🌧 brings new garlic mustard plants popping up amongst the autumn 🍂 leaves. Tasty yes, but also super invasive, so do us a favor if you see any in King County and send us the locations with King County Connect (thanks Kyvan @earthcorps for the Golden Gardens report and this cool photo!) #fallweeds #garlicmustard #alliariapetiolata #edibleplants #tastybutinvasive

Some noxious weeds just won’t give up! Garlic mustard should be all done flowering but we are seeing some late flowers and seed pods like this trying to sneak past our noxious weed team. No luck wily garlic mustard, you’ve been spotted! Photo by Tom Erler. #sneakyweeds #latebloomer #garlicmustard #alliariapetiolata #notaquitter

They’re back! Little bitty poison hemlock seedlings 🌱 ☠️ 🌱 with their first leaves just emerging. Those old stalks are a reminder of the tall 2nd year plants that went to seed this summer producing zillions of seeds for the next generation. Photo by Maria Winkler. #poisonhemlock #coniummaculatum #poisonousplants #seedlings #toxicplants #babyplants

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