Search results
People also ask
Is giant hogweed dangerous?
What is giant hogweed?
What does giant hogweed look like?
When does giant hogweed flower?
Is giant hogweed invasive?
How tall does hogweed grow?
Giant hogweed (Heracleum mantegazzianum) is tall with thick bristly stems that are often purple-blotched. It is in the same family as cow parsley but cow parsley has much finer, fern-like foliage and generally flowers from April to June, whereas giant hogweed tends to flower later in June and July.
- Heracleum Sphondylium
The hogweed is more diminutive than its infamous cousin,...
- RHS Gardening
Giant hogweed (Heracleum mantegazzianum) is tall with thick...
- Heracleum Sphondylium
- Stems
- Leaves
- Flowers
- GeneratedCaptionsTabForHeroSec
Green and often with purple blotches and stiff, white, bristly hairs. Stems are hollow with ridges and have a thick circle of hairs at the base of each leaf stalk.
Huge, up to 1.5m wide and 3m long, deeply divided into smaller leaflets. It looks a bit like a rhubarb leaf, with irregular and very sharp or jagged edges - which has given rise to one of its other common names - wild rhubarb. The underside of the leaf is hairy.
Appear in June and July. They are small and white (or slightly pink) and are clustered on umbrella-like heads known as umbels that can reach a diameter of 60cm. All the flowers on the umbel face upwards.
Learn about giant hogweed, a non-native invasive plant that can cause burns. Find out how to identify it, where it grows, and how to avoid contact with its sap.
Heracleum mantegazzianum, commonly known as giant hogweed, [2][3][4][5] is a monocarpic perennial herbaceous plant in the carrot family Apiaceae. H. mantegazzianum is also known as cartwheel-flower, [3][4][5] giant cow parsley, [6] giant cow parsnip, [7] or hogsbane.
Jul 16, 2018 · What's 14 feet tall, green, hairy, and covered in toxic sap? It may sound like a monster, but this scary beast is actually giant hogweed, a towering, invasive plant whose sap can cause painful...
- cpicard@hearst.com
- Contributing Writer
Giant hogweed is a large umbellifer with white flowers and ridged, purple-spotted stems. It was introduced as an ornamental plant and can cause skin irritation and damage. Learn how to identify and help control it.
Giant hogweed (Heracleum mantegazzianum) is tall with thick bristly stems that are often purple-blotched. It is in the same family as cow parsley but cow parsley has much finer, fern-like foliage and generally flowers from April to June, whereas giant hogweed tends to flower later in June and July.
Aug 22, 2024 · Giant hogweed is a non-native, invasive weed that can cause severe burns with its sap. Learn how to identify, dispose and get rid of it safely.
8.0/10 (1961 reviews)
Exceptionally realistic artificial plants to bring happiness to your space. Looking for quality artificial plants? We stock bamboo, topiary, palms, ferns & flowers.
Find The Perfect Gift This Christmas With A Little Help From Sophie & The Style Squad. We've Got Gifts Sorted For Him, Her, The Kids & Everyone Else. Buy Before It's Too Late!
