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New England Hawkweed

Hieracium sabaudum

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Plant Profile

Flowering Months:
Asteraceae (Daisy)
Also in this family:
Alpine Blue Sow-thistle, Alpine Cotula, Alpine Fleabane, Alpine Saw-wort, Annual Ragweed, Annual Sunflower, Argentine Fleabane, Autumn Hawkbit, Autumn Oxeye, Beaked Hawksbeard, Beggarticks, Bilbao Fleabane, Black Knapweed, Black-eyed Susan, Blanketflower, Blue Fleabane, Blue Globe-thistle, Bristly Oxtongue, Broad-leaved Cudweed, Broad-leaved Ragwort, Brown Knapweed, Butterbur, Buttonweed, Cabbage Thistle, Canadian Fleabane, Canadian Goldenrod, Carline Thistle, Chalk Knapweed, Chamois Ragwort, Changing Michaelmas Daisy, Chicory, Chinese Mugwort, Chinese Ragwort, Coltsfoot, Common Blue Sow-thistle, Common Cat's-ear, Common Cudweed, Common Daisy, Common Dandelion, Common Fleabane, Common Goldenrod, Common Groundsel, Common Michaelmas Daisy, Common Mugwort, Common Ragwort, Common Wormwood, Coneflower, Confused Michaelmas Daisy, Corn Chamomile, Corn Marigold, Cornflower, Cotton Thistle, Cottonweed, Creeping Thistle, Daisy Bush, Dwarf Cudweed, Dwarf Thistle, Early Goldenrod, Eastern Groundsel, Eastern Leopardsbane, Elecampane, English Hawkweed, Fen Ragwort, Feverfew, Field Fleawort, Field Wormwood, Fox and Cubs, French Tarragon, Gallant Soldier, Garden Lettuce, Giant Butterbur, Glabrous-headed Hawkweed, Glandular Globe-thistle, Glaucous Michaelmas Daisy, Globe Artichoke, Globe-thistle, Goat's Beard, Golden Ragwort, Golden Samphire, Goldilocks Aster, Grass-leaved Goldenrod, Great Lettuce, Greater Burdock, Greater Knapweed, Grey-headed Hawkweed, Guernsey Fleabane, Hairless Blue Sow-thistle, Hairless Leptinella, Hairy Michaelmas Daisy, Harpur Crewe's Leopardsbane, Hawkweed Oxtongue, Heath Cudweed, Heath Groundsel, Hemp Agrimony, Highland Cudweed, Hoary Mugwort, Hoary Ragwort, Hybrid Knapweed, Intermediate Burdock, Irish Fleabane, Jersey Cudweed, Jerusalem Artichoke, Lance-leaved Hawkweed, Lavender-cotton, Leafless Hawksbeard, Least Lettuce, Leopardplant, Leopardsbane, Leptinella, Lesser Burdock, Lesser Hawkbit, Lesser Sunflower, London Bur-marigold, Magellan Ragwort, Marsh Cudweed, Marsh Hawksbeard, Marsh Ragwort, Marsh Sow-thistle, Marsh Thistle, Meadow Thistle, Melancholy Thistle, Mexican Fleabane, Milk Thistle, Mountain Everlasting, Mouse-ear Hawkweed, Musk Thistle, Narrow-leaved Cudweed, Narrow-leaved Hawkweed, Narrow-leaved Michaelmas Daisy, Narrow-leaved Ragwort, New Zealand Holly, Nipplewort, Nodding Bur-marigold, Northern Hawksbeard, Norwegian Mugwort, Oxeye Daisy, Oxford Ragwort, Pearly Everlasting, Perennial Cornflower, Perennial Ragweed, Perennial Sow-thistle, Perennial Sunflower, Pineapple Mayweed, Plantain-leaved Leopardsbane, Ploughman's Spikenard, Plymouth Thistle, Pontic Blue Sow-thistle, Pot Marigold, Prickly Lettuce, Prickly Sow-thistle, Purple Coltsfoot, Rayed Tansy, Red Star Thistle, Red-seeded Dandelion, Red-tipped Cudweed, Robin's Plantain, Roman Chamomile, Rough Cocklebur, Rough Hawkbit, Rough Hawksbeard, Russian Lettuce, Safflower, Salsify, Saw-wort, Scented Mayweed, Scentless Mayweed, Sea Aster, Sea Mayweed, Sea Wormwood, Seaside Daisy, Shaggy Mouse-ear Hawkweed, Shaggy Soldier, Shasta Daisy, Shetland Mouse-ear Hawkweed, Shrub Ragwort, Sicilian Chamomile, Silver Ragwort, Slender Mugwort, Slender Thistle, Small Cudweed, Small Fleabane, Smooth Cat's-ear, Smooth Hawksbeard, Smooth Sow-thistle, Sneezeweed, Sneezewort, Spear Thistle, Spotted Cat's-ear, Spotted Hawkweed, Sticky Groundsel, Stinking Chamomile, Stinking Hawksbeard, Tall Fleabane, Tall Mouse-ear Hawkweed, Tansy, Thin-leaved Sunflower, Treasureflower, Trifid Bur-marigold, Tuberous Thistle, Tyneside Leopardplant, Viper's Grass, Wall Lettuce, Welsh Groundsel, Welted Thistle, White African Daisy, White Butterbur, White Buttons, Willdenow's Leopardsbane, Winter Heliotrope, Wood Burdock, Wood Ragwort, Woody Fleabane, Woolly Thistle, Yarrow, Yellow Chamomile, Yellow Fox and Cubs, Yellow Oxeye, Yellow Star Thistle, Yellow Thistle, York Groundsel
Life Cycle:
Maximum Size:
90 centimetres tall
Fields, grassland, heathland, meadows, mountains, roadsides, rocky places, walls, wasteland, woodland.

Yellow, many petals
The flowers of New England Hawkweed (Hieracium sabaudum) in the UK are characterized by their bright yellow colour. Each flower consists of multiple small florets that form a cluster at the top of a stem. These flowers are typically found in meadows and open woodlands during the summer months, adding a vibrant burst of colour to the landscape.
New England Hawkweed (Hieracium sabaudum) in the UK produces small, elongated, and hairy achenes as its fruit. These achenes are often equipped with a pappus, which consists of fine hairs that aid in wind dispersal. They are commonly dispersed by the wind to facilitate the plant's reproduction.
The leaves of New England Hawkweed (Hieracium sabaudum) in the UK are lance-shaped and covered in fine hairs. They have a green coloration and are arranged in a rosette, typically at the base of the plant. These leaves contribute to the plant's overall appearance and are characteristic of the species.
New England Hawkweed (Hieracium sabaudum) in the UK does not typically have a strong or distinctive smell. It is not known for emitting a notable fragrance, as its primary characteristics are its bright yellow flowers, lance-shaped leaves, and reproductive structures, rather than any distinct scent.
Other Names:
European Hawkweed, European King Devil, Glabrous-headed Hawkweed, Savoy Hawkweed.
Frequency (UK):
Occasionally seen  

Similar Species

Other Information


Hieracium sabaudum, also known as the Savoy hawkweed, is a perennial herb in the Asteraceae family. It is native to Europe, particularly found in the Alpine regions, and can be found growing in meadows, pastures, and rocky slopes. The plant has basal rosette of leaves and yellow or orange flower heads that bloom from June to September. It is a small plant, growing to around 90cm tall. It is not considered an invasive species or a noxious weed. It is also known for its medicinal properties, it has been used in folk medicine to treat a variety of ailments such as skin conditions, wounds and rheumatism.


New England Hawkweed, Hieracium sabaudum, is a species of flowering plant that is native to Europe but has become naturalized in North America, including the New England region. It is a member of the Asteraceae family, which is the largest family of flowering plants.


New England Hawkweed is a perennial herb that typically grows to a height of about 2-3 feet. It has a single stem that is covered in fine hairs and bears numerous leaves that are also covered in fine hairs. The leaves are lance-shaped with toothed edges and form a rosette at the base of the stem. The flowers are borne in clusters at the top of the stem and are bright orange or yellow with a brownish center. The flowers are about an inch in diameter and have 13-21 petals.


New England Hawkweed prefers moist soils and can be found in a variety of habitats, including meadows, fields, roadsides, and disturbed areas. It is also found in forested areas and can tolerate shade.

Invasive Species

New England Hawkweed is considered an invasive species in some areas of North America, including parts of New England. It spreads quickly and can outcompete native plant species, reducing biodiversity. It reproduces by seeds and also by producing runners that can form new plants.


Controlling the spread of New England Hawkweed can be difficult, as it is able to grow in a variety of habitats and reproduce quickly. However, there are several methods that can be used to control its spread. These include manual removal of plants, using herbicides, and promoting the growth of native plant species to compete with New England Hawkweed.

New England Hawkweed is a beautiful plant, but it can also be a destructive invasive species. It is important to be aware of its presence and take steps to control its spread in order to protect native plant species and maintain biodiversity in our ecosystems.

More Information about New England Hawkweed

New England Hawkweed is known by several other common names, including Orange Hawkweed, Devil's Paintbrush, and Grim the Collier. Its scientific name, Hieracium sabaudum, comes from the Greek words "hierax" meaning hawk and "sabaudum" meaning of Savoy, a region in France where the plant was first described.

The plant has been used for medicinal purposes in traditional European medicine, primarily as a treatment for digestive issues and as a diuretic. However, its use in modern medicine is limited due to a lack of scientific evidence to support its efficacy and safety.

New England Hawkweed is also a popular plant for use in gardens and landscaping due to its vibrant colors and easy cultivation. However, its invasive nature makes it important for gardeners to be aware of its potential to spread beyond their intended planting area.

New England Hawkweed is a fascinating plant with a complex relationship to the ecosystems it inhabits. While it may be a beautiful addition to gardens, it is important to be aware of its invasive tendencies and take steps to control its spread in natural habitats.

New England Hawkweed is known to be highly adaptable and able to thrive in a variety of environmental conditions. It can tolerate both wet and dry soils, as well as shade and full sun. This adaptability is one of the factors that contributes to its invasive nature.

One of the challenges in controlling the spread of New England Hawkweed is that it can produce a large number of seeds, which are easily dispersed by wind or animals. Once established, the plant can also produce runners that can root and form new plants.

Efforts to control the spread of New England Hawkweed include manual removal of plants, which can be effective for small infestations. However, for larger infestations, herbicides may be necessary. Herbicides can be applied selectively to avoid damaging nearby native plant species.

Another strategy for controlling the spread of New England Hawkweed is to promote the growth of native plant species that can outcompete the invasive plant. This can be achieved by planting native species or allowing them to naturally regenerate in the area.

New England Hawkweed is known to be a host plant for several species of butterflies, including the Meadow Fritillary and the Great Spangled Fritillary. However, its invasive nature can disrupt the balance of ecosystems by outcompeting native plant species and reducing the availability of resources for other organisms.

In addition to its impact on ecosystems, New England Hawkweed can also have economic impacts. It can reduce the productivity of pastures and hayfields, and can make land less suitable for agriculture.

Efforts to control the spread of New England Hawkweed are ongoing, with many organizations and individuals working to develop and implement effective strategies. Education and awareness are key components of these efforts, as it is important for people to recognize the plant and understand the potential impact of its spread.

In some areas, biological control methods are being developed and tested. These methods involve introducing natural enemies of the plant, such as insects or fungi, to reduce its population. However, these methods can be challenging to implement effectively, as they must be carefully targeted to avoid unintended impacts on other species.

Overall, New England Hawkweed is a complex and challenging species with both positive and negative impacts on ecosystems and human activities. As we continue to learn more about its biology and behavior, we can work towards effective management and control strategies that minimize its negative impacts while preserving its positive contributions to our natural world.

20 Facts About New England Hawkweed

Here are 20 facts about New England Hawkweed (Hieracium sabaudum):

  1. Scientific Name: New England Hawkweed is scientifically known as Hieracium sabaudum.

  2. Native Range: It is native to Europe but has become invasive in some parts of North America.

  3. Invasive Species: New England Hawkweed is considered an invasive plant in several regions, including parts of North America and New Zealand.

  4. Appearance: This plant typically grows to a height of about 20-60 cm (8-24 inches) and has bright yellow flowers.

  5. Leaves: The leaves of New England Hawkweed are generally lance-shaped and covered in fine hairs.

  6. Flowers: The bright yellow flowers are composed of numerous small florets and are arranged in clusters at the top of a stem.

  7. Habitat: New England Hawkweed is often found in grassy areas, meadows, and open woodlands.

  8. Reproduction: It reproduces through seeds and can also spread through vegetative means, forming dense colonies.

  9. Invasive Spread: New England Hawkweed is known to outcompete native plants, reducing biodiversity in invaded areas.

  10. Invasive Control: Controlling the spread of New England Hawkweed often requires vigilant management and control measures.

  11. Common Names: In addition to New England Hawkweed, it is also known by other common names, such as "King Devil," "Devil's Paintbrush," and "Orange Hawkweed."

  12. Life Cycle: This perennial plant has a life cycle that lasts for several years.

  13. Blooming Season: New England Hawkweed typically blooms in the summer months.

  14. Seed Dispersal: The seeds are dispersed by wind, allowing the plant to spread over a wide area.

  15. Edibility: Some species of hawkweed have been used in traditional herbal medicine, but New England Hawkweed is not commonly used for such purposes.

  16. Ecological Impact: Invasive hawkweeds like New England Hawkweed can disrupt ecosystems by displacing native vegetation.

  17. Growth Habit: It often forms low, basal rosettes in its early growth stages.

  18. Management Challenges: Controlling New England Hawkweed can be challenging due to its prolific seed production and ability to reproduce vegetatively.

  19. Conservation Concerns: In areas where it is invasive, conservation efforts may involve the removal of New England Hawkweed to protect native plant species.

  20. Cultural Significance: In some regions, hawkweeds have been associated with folklore and superstitions, and they are sometimes used as indicators of the weather.

Please note that while some hawkweed species have beneficial properties, New England Hawkweed is generally considered invasive and may pose ecological challenges.


Video 1: New England Hawkweed filmed in Adlington, Lancashire on the 27th August 2022.


Video 2: New England Hawkweed filmed at Ainsdale in Lancashire on the 10th September 2023.


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