Giant hogweed is beginning to make its presence felt.

You should take great care when identifying giant hogweed.

And above all - literally - giant hogweed, symbol of survival.

Giant hogweed sap remains toxic after the plant has been cut down.

Brushing against giant hogweed can be enough to get sap on your skin.

You must not use a strimmer on giant hogweed.

Children should be kept away from giant hogweed.

The world's largest weed is the giant hogweed, from Central Asia.

This is particularly important for giant hogweed, as contact with sap from the plant can lead to skin burns.

Giant hogweed can cause harm to human health.

You should control giant hogweed before it seeds.

Giant hogweed should be sprayed in April or May, before the plants flower.

You must avoid contact with giant hogweed, particularly its sap, as it can cause chemical skin burns.

Giant hogweed was among many foreign plants introduced to Britain in the 19th century, mainly for ornamental reasons.

Because of its phototoxicity and invasive nature, giant hogweed is often actively removed.

Giant hogweed produces large, umbrella-like flowers, each of which can produce up to 50,000 seeds.

Cutting giant hogweed before the plants flower will help to prevent further seeds being deposited on the ground.

Giant hogweed and Himalayan balsam both drop large quantities of seeds.

Firstly, the New Age is sweeping through the American culture with the speed of a giant hogweed.

A dense grass sward helps to prevent giant hogweed seeds from germinating.

It is an umbelliferous plant, in the same group as fennel, cow parsley, ground elder and giant hogweed.

Action to eliminate giant hogweed.

Soil containing Himalayan balsam and giant hogweed seeds should be buried at least 1 metre below ground level.

Giant hogweed is native to the Caucasus Region and Central Asia.

Giant hogweed is a phototoxic plant.

Heracleum mantegazzianum, commonly known as giant hogweed, cartwheel-flower, wild parsnip, wild rhubarb, giant cow parsnip, or giant cow parsley, is a plant in the family Apiaceae.

Rosemary, quite small in comparison, grows hers next to a giant cow parsnip, which she started three years ago from seed purchased from J. L. Hudson, Seedsman, in California.

Heracleum mantegazzianum, commonly known as giant hogweed, cartwheel-flower, wild parsnip, wild rhubarb, giant cow parsnip, or giant cow parsley, is a plant in the family Apiaceae.

Heracleum mantegazzianum, sometimes known as "giant cow parsley"

Fen was leaving the well-worn path now to fight a way for them through giant cow parsley and into a beechwood offering shelter from prying eyes.

However, it can be confused with giant cow parsley/giant hogweed (Heracleum mantegazzianum), the sap of which can cause severe burns after coming in contact with the skin.

Heracleum mantegazzianum, commonly known as giant hogweed, cartwheel-flower, wild parsnip, wild rhubarb, giant cow parsnip, or giant cow parsley, is a plant in the family Apiaceae.

Giant hogweed (Heracleum mantegazzianum ) starts to grow, aiming for an enormous and intensely irritating presence by midsummer.

The inspiration for this story is a large, phototoxic weed, Heracleum mantegazzianum, which poses a hazard in the United Kingdom and other countries.

Heracleum sphondylium is smaller in size than the skin irritating Heracleum mantegazzianum (Giant Hogweed).

However, it can be confused with giant cow parsley/giant hogweed (Heracleum mantegazzianum), the sap of which can cause severe burns after coming in contact with the skin.

Major species include: Giant Hogweed 'Heracleum mantegazzianum' A native of the Caucasus Mountains, grows to 4-5m tall, and can cause severe phytophotodermatitis if the sap gets on human skin.

There are reports that some makers of pimpinella root products "stretch" their product by secretly adding other herbs including Heracleum sphondylium (Masterwort), Heracleum mantegazzianum, and Pastinaca sativa (Parsnip).

Nastus fausti is a weevil that has been investigated as a potential biocontrol agent for giant hogweeds (Heracleum mantegazzianum Sommier et Levier, Heracleum sosnowskyi Manden, and Heracleum persicum Desf.