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The Giant Hogweed is a highly invasive wildflower that can cause rashes and blisters and can cause blindness.  It often can grow in excess of seven feet tall.
Close up of delicate white and pink valerian flowers
Heracleum, or Sosnowski's borschivny - a dangerous allergic plant that grows in the summer. Poisonous inflorescence. A poisonous perennial plant.
Harmful plant cow parsnip. The flower of cow parsnip. Large white inflorescences of cow parsnip close-up. Large flowers of cow parsnip at close range.
Flower of hogweed along roadside during flowering phase
A plant whose roots are used as a sedative and to treat certain medical conditions. It is being studied as a way to improve sleep in cancer patients undergoing treatment. Also called garden valerian, Indian valerian, Pacific valerian, Mexican valerian, garden heliotrope, valerian, and Valerianae radix.
Cow parsnip at Milgara Ridge  Golden Gate National Recreation Area  on a foggy spring day.
Blooming onion flower in home garden
Flowers of North America
Heracleum maximum, Cow Parsnip or  Indian Celery, is the only member of the genus Heracleum native to North America. Huckleberry Botanic Regional Preserve, Oakland, California. Apriaceae.
The sap of it causes phytophotodermatitis in humans, resulting in blisters and long-lasting scars. Ukraine
Phacelia tanacetifolia blue tansy
Cow parsnip blooms in summer in a meadow, Heracleum Sosnowskyi
Fool's parsley in a wildflower meadow.
Close up of Hogweed leaves, Heracleum sphondylium. Green leaves of hogweed, weed.
A Giant Hogweed plant (Heracleum mantegazzianum), the sap from which can cause serious skin burns when exposed to sunlight.
Heracleum plant also called cow parsnip in riverside meadow at sunset
Horizontal closeup photo of the scented green leaves and purple flowers on a Sacred Holy Basil or Tulsi herb, growing in an organic garden in Spring. Byron Bay, subtropical north coast of NSW. Soft focus background.
Borago officinalis is favorite medicinal herb with edible flowers.
Focus on the foreground\nThe image is completely green
Close up of a wasp flying near the flower on bright sunset sky background. Creative. Insect flying by the field plant
Chinese Chives (Allium tuberosom) dance in the morning sunlight. The tall, vertical stems creates an interesting pattern.
Invasive exotic plant with claw-shaped leaves. The plant can grow to a height of 4 meters. Blooms from June to August with a variable number of compound umbels full of white flowers. The juice of the plant has a harmful effect on the skin and eyes
Stout medium to tall, rather bristly biennial or short-lived perennial, to 2.5m; stem hollow, ridged. Leaves pinnate with often 5 broad, lobed and toothed segments, bristly; upper leaves with large inflated bases. Flowers white, rarely pink, 5-10mm, in large umbels up to 15cm across with 12-25 rays; petals of outer flowers very unequal; bracts few or absent. Fruit elliptical to rounded, 7-10mm, flattened and broadly winged.\nHabitat: Open woodland, banks and rough grassland.\nFlowering Season: April-September.\nDistribution: Throughout Europe, except the extreme north.\n\nGenerally the commonest umbellifer flowering during the (late) summer and quite variable.
Close up of borage, borago officinalis flowers in bloom
Cow Parsley in a field.
close up of hogweed flower blooming
Black Cohosh Herbal Medicine
Image of the invasive Giant Hogweed.
Wildflower daisies blowing in the wind against a clear blue sky, Newquay, Cornwall.
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