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Mexican Fleabane

Erigeron karvinskianus

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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, 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:
40 centimetres tall
Fields, gardens, grassland, meadows, riverbanks, riversides, roadsides, seaside, walls, wasteland, waterside, woodland.

Variable in colour, many petals
Mexican Fleabane presents delicate yet abundant flowers that add a charming touch to any landscape. Each flower is small in size, with dainty white petals surrounding a yellow center, reminiscent of miniature daisies. What makes Mexican Fleabane particularly captivating is its unique habit of producing flowers in profusion, forming cascading clusters that blanket the plant's foliage. These flowers possess an enchanting quality, as they gradually transition from pristine white to delicate shades of pink, imbuing the plant with an ever-changing and ethereal beauty. Despite their diminutive size, the collective effect of Mexican Fleabane's blooms is striking, evoking a sense of whimsy and natural elegance in any setting.
Mexican Fleabane produces small, inconspicuous fruits known as achenes, typical of plants in the Asteraceae family. These fruits are tiny and often overlooked, resembling small seeds with a fluffy pappus attached. The pappus aids in wind dispersal, allowing the seeds to travel and colonize new areas effectively. While individually unremarkable, the abundance of these achenes contributes to the plant's reproductive success, ensuring its continued presence and proliferation in various habitats.
Mexican Fleabane is characterized by its slender, lance-shaped leaves that are arranged alternately along the stems. These leaves feature serrated margins and a slightly hairy texture, imparting a softness to the plant's appearance. The foliage of Mexican Fleabane typically ranges in color from vibrant green to gray-green, providing a lush backdrop to the plant's profusion of delicate flowers. The leaves emit a pleasant herbal fragrance when crushed, adding to the sensory experience of encountering this charming wildflower in its natural habitat.
Mexican Fleabane emits a delicate and subtle fragrance that enhances the sensory experience of encountering this charming wildflower. The scent is reminiscent of fresh, herbal notes with a hint of sweetness, evoking a sense of tranquility and natural beauty. While not overpowering, the fragrance of Mexican Fleabane adds a pleasant ambiance to its surroundings, attracting pollinators and delighting observers alike. Whether enjoyed up close or wafting gently on the breeze, the gentle perfume of Mexican Fleabane enhances the allure of this versatile and enchanting plant.
Other Names:
Australian Daisy, Bony-tip Fleabane, Dancing Daisy, Karwinsky's Fleabane, Latin American Fleabane, Mexican Daisy, Santa Barbara Daisy, Seaside Daisy, Spanish Daisy.
Frequency (UK):
Occasionally seen  

Other Information


Erigeron karvinskianus, also known as Santa Barbara daisy or Mexican fleabane, is a species of wildflower in the daisy family (Asteraceae). It is native to Mexico and Central America, but is widely cultivated as an ornamental plant and naturalized in many parts of the world, including Europe, Asia, and North America.

Erigeron karvinskianus is a perennial herb that can grow up to 30cm tall, with a woody base and hairy stems. The leaves are alternate and linear or lance-shaped, and the plant produces small, daisy-like flowers with pink or white rays and yellow centers that bloom from spring to fall. The flowers are typically 1-2 cm in diameter.

This plant is quite adaptable and can grow in a variety of soil types and in full sun or partial shade. It can also tolerate drought and poor soil. It is commonly used as a ground cover and in rock gardens, cottage gardens and as a border plant.

Erigeron karvinskianus is propagated by seed or by division of clumps in the fall or spring. It's hardy to USDA zones 6-10. It can be considered invasive in some regions, particularly in Mediterranean-type climates and it's important to check with local authorities before planting in these regions. The plant is not known to have any specific medicinal properties and it is considered safe to grow and handle.


Mexican Fleabane, also known as Erigeron karvinskianus, is a charming and popular ornamental plant that has captured the hearts of gardeners and landscape designers around the world. Originally from Mexico and Central America, this small, spreading perennial has naturalized in many parts of the world due to its hardiness, adaptability, and beautiful, delicate flowers. In this blog, we will take a closer look at this lovely plant, its characteristics, and how to grow it in your garden.

Description and Characteristics

Mexican Fleabane is a low-growing, mat-forming plant that reaches a height of 30-40cm and a spread of up to 60cm. Its small, narrow leaves are grey-green in color, and its delicate daisy-like flowers are white with a yellow center, although they can also be pink, purple or blue. Mexican Fleabane blooms profusely from spring through fall, attracting butterflies, bees and other pollinators to the garden.

Growing Mexican Fleabane

Mexican Fleabane is a very easy plant to grow, and it thrives in a variety of conditions. It prefers full sun, but can also tolerate partial shade, and it does well in well-drained soils that are rich in organic matter. This plant is also drought-tolerant and can withstand a wide range of temperatures, making it ideal for gardens in a variety of climates.

Propagation and Maintenance

Mexican Fleabane is easily propagated from seed, but it can also be propagated by division or cuttings. It is best to propagate this plant in spring, and it is important to keep the soil moist until the plant becomes established. Once established, Mexican Fleabane requires very little maintenance, except for occasional deadheading to encourage continuous blooming.

Uses in the Garden

Mexican Fleabane is a versatile plant that can be used in a variety of garden settings. Its spreading habit makes it ideal for groundcover, and it is also perfect for rock gardens, borders, and containers. Its delicate flowers also make it an excellent addition to cottage gardens, and it looks particularly beautiful when planted in mass.

Mexican Fleabane is a beautiful and easy-to-grow plant that can add a touch of charm and elegance to any garden. Whether you are looking for a plant for your borders, rock garden or containers, Mexican Fleabane is a great choice. Its naturalization in many parts of the world is a testament to its hardiness and adaptability, and its delicate flowers are sure to bring joy and beauty to your garden year after year.

More about Mexican Fleabane

Apart from its beauty, Mexican Fleabane is also known for its medicinal properties. It has been traditionally used in Mexico and other parts of Central America to treat a variety of ailments, including respiratory infections, fever, and diarrhea. Studies have shown that Mexican Fleabane contains compounds that have antiviral and anti-inflammatory properties, making it a potential candidate for the development of new drugs.

In addition to its medicinal properties, Mexican Fleabane also has a number of ecological benefits. Its flowers are a source of nectar for butterflies, bees and other pollinators, and its leaves provide food and habitat for a number of beneficial insects. It is also a great plant for erosion control, as its spreading habit helps to stabilize slopes and prevent soil erosion.

If you decide to add Mexican Fleabane to your garden, it is important to note that it is considered invasive in some parts of the world, particularly in California, where it has been listed as a noxious weed. Therefore, it is important to check with your local authorities to make sure that Mexican Fleabane is not on the list of invasive species in your area.

In addition to its ecological and medicinal benefits, Mexican Fleabane is also a very popular plant for landscape designers and architects. Its small, delicate flowers and low-growing habit make it an ideal choice for creating naturalistic and informal garden settings. Mexican Fleabane looks particularly beautiful when used in combination with other low-growing plants, such as sedum, creeping thyme, or ornamental grasses. It can also be used to soften hard edges and to add a touch of charm to hardscapes, such as walls, steps, and paths.

Another advantage of Mexican Fleabane is its ability to self-seed, which means that it can spread naturally and create a beautiful, naturalistic effect in your garden. However, if you prefer to keep it contained, it is best to deadhead the spent flowers to prevent the plant from reseeding.

Finally, Mexican Fleabane is a great plant for novice gardeners or those who don't have a lot of time to devote to their gardens. It requires very little maintenance, and it is very tolerant of neglect and adverse growing conditions. However, if you want to ensure that your Mexican Fleabane is healthy and blooming, it is important to provide it with adequate sunlight, well-draining soil, and occasional watering during dry spells.

In conclusion, Mexican Fleabane is a beautiful and versatile plant that offers many benefits to gardeners, the environment, and wildlife. Whether you want to add a touch of charm to your garden, create a naturalistic landscape, or use it for its medicinal properties, Mexican Fleabane is a great choice. With its hardiness, adaptability, and delicate flowers, it is sure to bring joy and beauty to your garden for many years to come.

30 Mexican Fleabane Facts

  1. Mexican Fleabane, scientifically known as Erigeron karvinskianus, is native to Mexico and Central America.
  2. It belongs to the Asteraceae family, which includes daisies, sunflowers, and asters.
  3. Mexican Fleabane is also known by other common names, including Santa Barbara Daisy and Karwinski's Fleabane.
  4. It is a perennial herbaceous plant, meaning it lives for more than two years and lacks woody stems.
  5. Mexican Fleabane typically grows to a height of 10 to 50 centimeters (4 to 20 inches).
  6. It is characterized by its profusion of small, daisy-like flowers that bloom in clusters.
  7. The flowers start off white and gradually turn pink as they age, creating a beautiful gradient effect.
  8. Mexican Fleabane flowers continuously throughout the growing season, from spring to fall.
  9. It thrives in full sun to partial shade and prefers well-drained soil.
  10. Mexican Fleabane is known for its ability to self-seed prolifically, often naturalizing in garden settings.
  11. This plant is highly adaptable and can grow in various conditions, including rocky slopes, walls, and containers.
  12. Mexican Fleabane is drought-tolerant once established and requires minimal maintenance.
  13. It attracts a wide range of pollinators, including bees, butterflies, and hoverflies.
  14. The foliage of Mexican Fleabane emits a pleasant herbal fragrance when crushed.
  15. It is deer-resistant, making it a suitable choice for gardens frequented by deer.
  16. Mexican Fleabane is often used in rock gardens, border plantings, and as ground cover.
  17. This plant is considered invasive in some regions due to its self-seeding behavior.
  18. It has naturalized in various parts of the world, including Europe, Australia, and North America.
  19. Mexican Fleabane has been used in traditional medicine for its purported medicinal properties, including as a remedy for respiratory ailments.
  20. It is also sometimes used in herbal teas and infusions.
  21. Mexican Fleabane is tolerant of coastal conditions and salt spray, making it suitable for seaside gardens.
  22. It is relatively pest and disease resistant, with few serious issues affecting its growth.
  23. The plant's botanical name, Erigeron, is derived from the Greek words "eri" meaning early and "geron" meaning old man, referring to the plant's ability to bloom early and continue flowering into old age.
  24. The specific epithet "karvinskianus" honors Wilhelm Friedrich Karwinski von Karwin, a German botanist who collected plants in Mexico during the 19th century.
  25. Mexican Fleabane can be propagated from seeds or by division of established clumps.
  26. It has been introduced as an ornamental plant in many parts of the world due to its charming flowers and easy cultivation.
  27. Mexican Fleabane is sometimes considered a weed in agricultural settings, where it can compete with crops for resources.
  28. The plant's small size and delicate appearance make it a popular choice for edging pathways and borders.
  29. Mexican Fleabane is known for its resilience and ability to thrive in challenging growing conditions.
  30. It has inspired artists and gardeners alike with its natural beauty and adaptability.


Mexican Fleabane filmed at Lower Slaughter in Gloucestershire on the 24th June 2023, featuring a Beautiful Demoiselle Damselfly.


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Distribution Map

Reproduced by kind permission of the BSBI.

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