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 ...

Giant Hogweed has been found in several counties around Michigan over the last decade, but since funding for tracking these invasive plants ended, it’s up to residents to report.

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 ...

Giant hogweed: 8 facts you must know about the toxic plant 8 photos. Though not as well known as poison ivy or poison oak, hogweed can be even more toxic. After touching hogweed, ...

Poison ivy, poison oak, and poison sumac are all known to cause an itchy rash. But they’re not the only plants that can irritate your skin. Get to know wood nettle, stinging nettle, leadwort ...

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 ...