Heracleum sphondylium, commonly known as hogweed or common hogweed, is a herbaceous perennial plant in the carrot family Apiaceae, which includes fennel, cow parsley, ground elder …

Aug 21, 2024 · Learn to identify giant hogweed. Discover what symptoms to look for and actions to take if someone is poisoned.

Giant hogweed (Heracleum mantegazzianum) is arguably the most dangerous invasive plant in New York State, as a a significant threat to both human and environmental health.

Giant hogweed is a biennial or perennial herb in the carrot family (Apiaceae) which can grow to 14 feet or more. Its hollow, ridged stems grow 2-4 inches in diameter and have dark reddish …

Jun 13, 2018 · A fully grown giant hogweed, often described as Queen Anne’s lace on steroids, has leaves that can extend 5-feet wide, thick stalks topped with feathery umbrella-like flowers - …

Jun 8, 2025 · The leaves and stalk of a giant hogweed plant. Conservation officials warn locals to keep an eye out for the telltale purple pattern on the stalk, complete with thick hairs.

Hogweed can be found along hedgerows and roadside verges, and on waste ground and rough grassland. It displays umbrella-like clusters of creamy-white flowers. It's native, unlike its …

Oct 19, 2018 · Giant hogweed (Heracleum mantegazzianum), also known as Giant cow parsnip is a perennial plant and a member of the carrot family. It is a garden ornamental from southwest …

Sep 28, 2023 · Giant hogweed is part of the umbel (apiaceae) family shared with celery, carrot, and parsley. It shares a similar appearance to its cousins, with compound leaves and tall …

hogweed, either of two plant species of the cow parsnip genus (Heracleum) in the parsley family (Apiaceae). Both species are herbaceous biennials or perennials and have large compound …