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Canadian Goldenrod

Solidago canadensis

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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, 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 England Hawkweed, 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:
2 metres tall
Fields, grassland, meadows, riverbanks, roadsides, scrub, wasteland.

Yellow, 8 petals
Yellow, 10-16 very short ray petals, in curved spikes.
Brown, narrow, cylindrical or oblong seed, up to 2mm. The tips of the seeds are downy.
Alternate, stalkless, lanceolate, toothed and downy on the undersides of the leaves.
Other Names:
Canada Goldenrod, Common Goldenrod, Giant Goldenrod, Golden Plum, Golden Plume, Meadow Goldenrod, Tall Goldenrod.
Frequency (UK):

Similar Species

Other Information


Solidago canadensis, also known as Canadian goldenrod or tall goldenrod, is a perennial plant in the Asteraceae family. It is native to North America and is found throughout most of the United States and Canada. The plant can reach a height of 3-6 feet and has yellow, clusters of small flowers that bloom in late summer and early fall. The leaves are lance-shaped and arranged alternately on the stem.

Canadian goldenrod is tolerant of a wide range of growing conditions and is often found growing in disturbed areas, fields, meadows, and along roadsides. The plant is also drought-tolerant and can colonize in disturbed areas such as roadsides, railroads and fields.

Like other Solidago species, it is important for wildlife, it's a source of nectar for bees, butterflies, and other pollinators. Also, it is often used as an ornamental garden plant and in wildflower meadows. Some studies have also reported medicinal properties in extracts of the plant's flowers, leaves, and roots, but further research is needed to confirm these findings.


Goldenrods are a diverse and widespread group of plants in the Asteraceae family, known for their bright yellow, fluffy flower heads. One species of goldenrod that stands out in particular is Solidago canadensis, commonly known as Canadian goldenrod.

Appearance and Distribution

Canadian goldenrod is a herbaceous perennial that grows up to 2 meters tall, with stems that are usually hairy and slightly reddish in color. The leaves are narrow and toothed, and can grow up to 15 cm long. The flowers of Canadian goldenrod are small, yellow and form large clusters at the top of the stem. The plant blooms from late summer to early fall, and its flowers attract a wide variety of pollinators including bees, butterflies and other insects.

Canadian goldenrod is native to North America, and its range extends from Canada down to the southeastern United States. It is commonly found in open fields, meadows, along roadsides, and in disturbed areas such as abandoned lots and construction sites.

Ecological and Cultural Significance

Canadian goldenrod has a number of ecological and cultural significance. One of its most important ecological roles is as a food source for a wide range of insects, including many species of butterflies, moths and bees. In fact, Canadian goldenrod is an important plant for the Monarch butterfly, as it provides a vital source of nectar for these migratory insects during their long journey south.

In addition to its ecological significance, Canadian goldenrod has a rich cultural history. It has been used for centuries by Indigenous peoples for a variety of medicinal purposes, including treating colds, fevers, and respiratory ailments. The plant also has a long history of use in traditional herbal medicine in Europe, where it was used to treat a variety of ailments including kidney stones, arthritis, and urinary tract infections.

Misconceptions and Controversies

Despite its ecological and cultural significance, Canadian goldenrod has been the subject of some controversy in recent years. Some people believe that the plant is responsible for causing seasonal allergies, due to its bright yellow flowers and the fact that it blooms at the same time as ragweed, which is a known allergen.

However, this is a common misconception. Canadian goldenrod does not produce airborne pollen, and therefore cannot cause allergies. The plant's pollen is heavy and sticky, and is primarily spread by insects rather than the wind.

In addition to the allergy misconception, Canadian goldenrod has also been unfairly maligned as an invasive species in some areas. While it is true that the plant can spread rapidly in disturbed areas, it is not considered invasive in its native range. Furthermore, Canadian goldenrod plays an important ecological role in providing food and habitat for a variety of insects, and should be valued for its contributions to the local ecosystem.

Uses of Canadian Goldenrod

Canadian goldenrod has been used for a variety of medicinal purposes throughout history. Indigenous peoples used the plant for treating a variety of ailments, including colds, fevers, and respiratory issues. In traditional European herbal medicine, it was used to treat conditions such as arthritis, kidney stones, and urinary tract infections.

In modern times, Canadian goldenrod is still used as a natural remedy for a variety of ailments. It is commonly used as a diuretic, which can help to flush excess water and toxins from the body. It is also used to treat urinary tract infections and other conditions affecting the urinary system. Some people also use Canadian goldenrod as a natural remedy for allergies and inflammation.

Conservation Status

Although Canadian goldenrod is not considered invasive in its native range, it can be displaced by non-native species in some areas. As a result, some conservation organizations are working to promote the use of native plants in landscaping and restoration projects, in order to promote biodiversity and protect native plant species.

In addition to its conservation status, Canadian goldenrod is also affected by habitat loss and other environmental factors. As a result, it is important to protect and preserve the natural habitats where this plant grows, in order to ensure its survival for future generations.

Propagation and Cultivation

Canadian goldenrod is relatively easy to grow and propagate, making it a popular choice for gardens and landscaping projects. The plant prefers full sun to partial shade and moist, well-draining soil. It can be propagated by seed or by dividing existing plants.

To propagate Canadian goldenrod by seed, collect the seeds in the fall after the plant has finished blooming. The seeds can be sown directly in the garden in the fall or in the spring, or they can be started indoors in the spring and transplanted outside when the plants are large enough.

To propagate Canadian goldenrod by division, wait until the plant has finished blooming and then dig up the root ball. Use a sharp knife to divide the root ball into smaller sections, each with a few stems and roots. Replant the divided sections in their new location, making sure to water them well.

In the garden, Canadian goldenrod makes an excellent addition to a wildflower meadow or naturalized area. It can also be planted in mixed borders, where its bright yellow flowers add a splash of color to the landscape. When planted in a group, Canadian goldenrod can also provide an attractive backdrop for other plants in the garden.

In conclusion, Canadian goldenrod is a valuable and important plant that has played a significant role in both ecological and cultural history. Its bright yellow flowers provide food and habitat for a wide variety of insects and other organisms, and it has a long history of medicinal use. By understanding and appreciating the ecological and cultural significance of Canadian goldenrod, we can better appreciate the natural world around us and work to protect it for future generations.

Cultural Significance

In addition to its ecological and medicinal importance, Canadian goldenrod also has cultural significance. Indigenous peoples in North America used the plant for a variety of purposes, including treating illnesses, dyeing textiles, and making baskets and other objects. Some tribes also believed that the plant had spiritual properties and used it in religious ceremonies.

In modern times, Canadian goldenrod has been adopted as the official floral emblem of the province of Alberta, Canada. It was chosen for this honor because of its beauty and resilience, as well as its importance in the natural history of the region.


Canadian goldenrod is a valuable and important plant that has played a significant role in ecological, medicinal, and cultural history. Despite misconceptions and controversies, it is an important part of many North American ecosystems, providing food and habitat for a wide variety of insects and other organisms. By understanding and appreciating the ecological and cultural significance of Canadian goldenrod, we can better appreciate the natural world around us and work to protect it for future generations.


Canadian Goldenrod filmed in Wigan, Lancashire (7th August 2022) and Coppull, Lancashire (4th August 2022).


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Distribution Map

Reproduced by kind permission of the BSBI.

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