Toxic Plants


Low & Tall Larkspur Black Henbane Horsetail


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Kochia Coast Fiddleneck Foxtail Barley


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Poison Ivy Houndstongue Death Camas



Russian Knapweed Elderberry Showy Milkweed


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Pigweed Yellow Sweet Clover Black Nightshade


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Black Medic Tansy Ragwort Scouring Rush
Yellow Starthistle Hemp Dogbane Hoary Alyssum
Common Tansy Lupine Ponderosa Pine Needles
Common St. John's Wort Poison Hemlock Bur Buttercup



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Yellow Starthistle Hemp Dogbane Hoary Alyssum



Common Tansy Lupine Ponderosa Pine Needles


Common St. John's Wort Poison Hemlock Bur Buttercup


Leafy Spurge Scotch Broom Common Groundsel
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Water Hemlock Choke Cherry Bracken Fern

Cocklebur Alfalfa Mushrooms
Credits: Washington State Noxious Weed Control Board Toxic Plants Booklet
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Water Hemlock Choke Cherry Bracken Fern



Cocklebur Alfalfa Mushrooms
Credits: Washington State Noxious Weed Control Board Toxic Plants Booklet