Getting out on the trail is a great way to relax and enjoy Idaho’s fantastic natural scenery. However, you also have to be constantly aware of where you are and what you’re coming in contact with. Most people think of poison ivy or poison oak when it comes to plants to be wary of, but there’s another plant you need to keep an eye out for if you plan to explore Idaho’s trails. Known as Myrtle Spurge, the plant is toxic to the touch and definitely something to be on the lookout for. Read on to learn how to identify Myrtle Spurge and where it’s likely to be found.

Hiking is definitely a popular pastime here in Idaho, especially with the arrival of nice weather. However, there's a toxic plant that you'll want to be aware of before you lace up those hiking boots and hit the trail.
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The scientific name for this invasive noxious plant is Euphorbia myrsinites, but it's commonly known as Myrtle Spurge. It's a common plant all over the Northwest in states like Oregon, Washington, and Idaho.
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According to Boise Parks and Recreation, you're most likely to see Myrtle Spurge in the Boise foothills, but that doesn't mean you won't find it in other regions of the state. There is currently a volunteer effort through Weed Warriors to eradicate the plant from the Gem State.
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As far as identification goes, Myrtle Spurge is a light green weed that produces small yellow flowers in the early spring. It's an herbaceous plant with leaves that are fleshy and waxy with a green-gray color.
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The branches of Myrtle Spurge leak a milky sap that is toxic to the touch. The sap can burn, blister, and cause swelling with skin that it comes into contact with. It can even cause blindness if it gets into your eyes.
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The appearance of Myrtle Spurge is the result of its increasing popularity in landscaping. The plant multiplies aggressively and can outcompete native plants, which is why efforts to eradicate the invasive plant are extremely important.
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When hiking, it's always a good idea to wear long pants and boots that will prevent you from coming into contact with any toxic or poisonous plants. Definitely be on the lookout for Myrtle Spurge the next time you're on the trail!
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Have you spotted this toxic plant on the trails? Hopefully not! Still, it’s good to keep this in mind for your next outdoor adventure. Share your thoughts with us in the comments below.

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