Similar to giant hogweed, poison hemlock stems also have purple blotches. When handling this plant, the Washington State NWCB recommends wearing protective clothing and gloves.

Most Michiganders are familiar with poison ivy in its various forms, but plants such as poison sumac grow in swampy areas, and invasive giant hogweed and wild parsnip can cause more significant ...

Giant hogweed True to its name, giant hogweed is enormous; it can grow upwards of 15 feet tall. Beyond its impressive height, you can also identify the plant by its jagged leaves and a cluster of ...

Poison hemlock came here from Europe in the 1800s, which puts it on the border of not being considered invasive, yet it is. Giant hogweed was imported from Europe in 1917 and kept in some very ...

Just like poison ivy, you should add giant hogweed to your mental checklist of dangerous plants. Giant hogweed is a poisonous invasive species that was intentionally introduced to the U.S. for ...

What happens when you touch giant hogweed? This plant can grow up to 14 feet tall with large, deeply lobed leaves and white umbrella-shaped flower clusters. Its hollow stems have purple blotches ...

Most Michiganders are familiar with poison ivy in its various forms, but plants such as poison sumac grow in swampy areas, and invasive giant hogweed and wild parsnip can cause more significant ...

Noxious weeds can be deadly for humans, animals and other plants in your garden. Here’s how to identify a plants before you get hurt.

Think poison ivy. Here are five ... The clear, watery sap that causes the symptoms of Giant Hogweed exposure increases your sensitivity to sunlight, so cover the skin to keep it out of the light ...

Giant hogweed is an invasive species of poison plant that can grow upwards of 15 feet tall. The poison plant may cause severe irritation to the skin and eyes, blistering rashes, permanent scarring ...

The Giant Hogweed is one of the most dangerous invasive plants in the US — and it's all over New York state. Even just brushing against a Hogweed is enough cause painful pustules and skin damage.