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Seaside Daisy

Erigeron glaucus

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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 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, 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:
45 centimetres tall
Beaches, gardens, meadows, rocky places, saltmarshes, sand dunes, sea cliffs, seaside.

Pink, many petals
The Seaside Daisy boasts vibrant, daisy-like flowers with numerous slender petals that can exhibit hues ranging from lavender and pink to white. These blossoms, with their delicate and alluring appearance, grace the coastal cliffs and sandy dunes, adding a touch of natural beauty to the British coastal landscape. The petals of the Seaside Daisy unfurl in the embrace of full sun or partial shade, creating a picturesque scene in coastal meadows and rocky shores. The charming flowers, held by succulent, bluish-green leaves, attract pollinators like bees and butterflies, contributing to the local ecosystem's vitality. Resilient to coastal winds and well-suited for the UK's maritime climate, the Seaside Daisy stands as a captivating floral presence along the shores, blooming in spring and early summer.
The Seaside Daisy produces small, inconspicuous fruits that develop from the flower's reproductive structures. These fruits, often referred to as achenes, are tiny, dry seeds encapsulated within a slender, elongated structure. As the flowers fade and the growing season progresses, these achenes mature and are dispersed by the wind or other environmental factors. The reproductive mechanism of the Seaside Daisy aligns with its coastal habitat, allowing the plant to spread and naturalize in areas such as sandy dunes, coastal cliffs, and meadows. While not a prominent feature, the fruiting structures contribute to the plant's life cycle and ecological role in the British coastal environment.
The Seaside Daisy is characterized by its distinctive leaves, which are often spoon-shaped and possess a bluish-green hue. These succulent leaves play a crucial role in the plant's adaptation to its coastal habitat, aiding in water conservation and resilience to the sometimes challenging maritime conditions. The leaves are arranged in a basal rosette, forming an attractive low mound that can spread across sandy soils, rocky shores, and coastal meadows. This foliage, with its unique colouration and shape, not only enhances the visual appeal of the Seaside Daisy but also contributes to its ability to thrive in well-draining soils along the British coastline. The spoon-shaped leaves, combined with the plant's overall hardiness, make it an excellent choice for gardens and landscapes in the United Kingdom, where it can endure both the elements and add a touch of coastal charm.
The Seaside Daisy is not widely renowned for a distinct or pronounced scent. While some varieties may have subtle aromatic qualities, the overall fragrance of the Seaside Daisy is typically mild and unremarkable. The plant is more celebrated for its visual appeal, with vibrant, daisy-like flowers that range in colour from lavender to pink or white, and succulent, bluish-green leaves. The lack of a strong fragrance doesn't diminish its popularity in gardens and coastal landscapes across the United Kingdom, where it thrives in well-draining soils, adding a touch of natural beauty without relying on olfactory allure.
Other Names:
Beach Aster, Seaside Fleabane.
Frequency (UK):
Occasionally seen  

Other Information


Erigeron glaucus is a species of flowering plant in the daisy family (Asteraceae). It is native to the western coast of North America, from British Columbia to California. The plant is known for its small, blue or purple flowers and its hairy, gray-green leaves. It is often found growing in rocky or sandy areas and is a popular choice for rock gardens and other landscaping projects. Erigeron glaucus is drought-tolerant and easy to grow, making it a popular choice for gardeners in dry regions. The plant is also known for its ability to attract butterflies and other pollinators.


The Seaside Daisy, scientifically known as Erigeron glaucus, is a beautiful and resilient wildflower that is commonly found along the coastline in North America. With its striking blue-purple blooms and delicate petals, the Seaside Daisy has become a favorite among gardeners and nature lovers alike.

The Seaside Daisy is a hardy and versatile plant, making it a popular choice for coastal gardens and wildflower meadows. It is able to grow in a variety of soil types, including sandy and rocky soils, and can tolerate both salt spray and strong winds. In addition, it is drought-resistant and able to thrive in areas with little rainfall. This makes it an ideal choice for gardeners who are looking for a low-maintenance plant that can provide color and beauty to their garden without requiring much care.

One of the most distinctive features of the Seaside Daisy is its striking blue-purple blooms. Each flower head is made up of many small daisy-like flowers, each with a yellow center and delicate petals that are surrounded by a ring of blue or purple. The flowers bloom in spring and summer, and the plants can continue to produce new blooms throughout the growing season.

In addition to its beautiful flowers, the Seaside Daisy is also known for its attractive leaves. The leaves are narrow and hairy, and they are often covered with a soft, white down. The plant grows to be 12 to 18 inches tall, and it has a trailing habit that makes it a great choice for hanging baskets or for planting along the edge of a garden bed.

The Seaside Daisy is easy to grow from seed, and it is often used in wildflower seed mixes for coastal gardens. It can also be propagated by dividing clumps of mature plants in the spring or fall. Once established, the Seaside Daisy is a low-maintenance plant that requires little care. It is not prone to pests or diseases, and it can thrive in both full sun and partial shade.

The Seaside Daisy is a beautiful and resilient wildflower that is well-suited to coastal gardens. With its striking blue-purple blooms and delicate petals, it provides a splash of color and beauty to any garden. It is easy to grow, low-maintenance, and can tolerate a wide range of growing conditions, making it a great choice for gardeners of all skill levels.

The Seaside Daisy is not only beautiful but also beneficial for the environment. It attracts a variety of pollinators, such as bees, butterflies, and hummingbirds, to your garden, helping to support local ecosystems. Additionally, its deep roots and hardy nature help to prevent soil erosion and protect the coastline from damage.

The Seaside Daisy has a long history of use in traditional medicine. Native American tribes used the plant to treat a variety of ailments, including respiratory problems, digestive issues, and skin conditions. Modern research has shown that the plant does have some medicinal properties, including anti-inflammatory and antioxidant effects.

The Seaside Daisy is also a popular choice for floral arrangements and dried flower arrangements. The delicate petals and bright blue-purple color make it a great addition to bouquets, and its long vase life means that it can be used to brighten up your home for weeks after being cut.

In terms of gardening, the Seaside Daisy is a great choice for those who are just starting out. It is easy to grow, low-maintenance, and can be used in a variety of garden styles, from wildflower meadows to cottage gardens. Additionally, it is a great choice for container gardening, as it can be grown in pots on patios or balconies.

The Seaside Daisy is a versatile and beautiful wildflower that offers many benefits, both to gardeners and to the environment. Whether you are a seasoned gardener or just starting out, this hardy and low-maintenance plant is a great choice for your coastal garden.

Another aspect to consider when planting Seaside Daisies is their adaptability to different growing regions. The plant is native to the West Coast of North America and can be found growing along the coast from California to Alaska. However, it has been successfully introduced and naturalized in many other regions, including the East Coast and Europe. This makes it a great option for gardeners who live in areas with diverse climates, as it can adapt to a wide range of temperatures and growing conditions.

When planting Seaside Daisies, it is important to consider their growing conditions. They prefer well-drained soil and full sun to partial shade, but they can also tolerate some salt spray and wind exposure, making them an ideal choice for coastal gardens. It is also important to note that the plants can become invasive if not properly managed, so it is recommended to remove spent blooms regularly to prevent self-seeding.

The Seaside Daisy is a great choice for gardeners who want to create a low-maintenance, attractive, and eco-friendly garden. In addition to its ornamental value, it provides important habitat and food for pollinators, helps to prevent soil erosion, and can be used for medicinal purposes. Whether you are looking to add color to your garden, attract pollinators, or simply enjoy the beauty of nature, the Seaside Daisy is an excellent choice.

In conclusion, the Seaside Daisy is a versatile and resilient wildflower that has much to offer gardeners and the environment. With its striking blue-purple blooms, delicate petals, and low-maintenance nature, it is a great choice for coastal gardens and wildflower meadows. So why not add some Seaside Daisies to your garden today and enjoy their beauty and benefits for years to come!

30 Stunning Seaside Daisy Facts

  1. Scientific Name: The Seaside Daisy is scientifically known as Erigeron glaucus.

  2. Native Habitat: This daisy is native to the coastal areas of western North America, particularly California and Oregon.

  3. Common Names: Seaside Daisy is also commonly referred to as Beach Aster, Seaside Fleabane, and Beach Daisy.

  4. Appearance: It has vibrant, daisy-like flowers with numerous thin petals that can range in color from lavender and pink to white.

  5. Size: The plant typically grows to a height of 6 to 18 inches (15 to 45 cm) and spreads out in a low, mounding form.

  6. Leaf Characteristics: The leaves are often spoon-shaped, succulent, and have a bluish-green hue, which helps the plant conserve water.

  7. Adaptation to Coastal Environments: Seaside Daisies are well adapted to coastal conditions, thriving in sandy soils and tolerating salt spray.

  8. Blooming Period: The flowering season generally occurs in spring and early summer, creating colorful displays along coastal cliffs.

  9. Attracts Pollinators: The vibrant flowers attract pollinators like bees and butterflies, contributing to local ecosystem health.

  10. Drought Tolerance: Seaside Daisies are drought-tolerant, making them well-suited for the sometimes arid coastal environments where they are found.

  11. Sun Requirements: They prefer full sun exposure but can also tolerate partial shade.

  12. Cultural Uses: Some indigenous tribes historically used parts of the Seaside Daisy for medicinal purposes, such as treating skin ailments.

  13. Perennial Nature: Seaside Daisies are perennial plants, meaning they live for more than two years, and they can form attractive, long-lasting ground covers.

  14. Easy to Grow: These daisies are relatively easy to cultivate, making them popular choices for coastal gardens and landscaping.

  15. Soil Preference: They thrive in well-draining soil, and their ability to adapt to sandy soils makes them suitable for coastal gardens.

  16. Resilience to Coastal Winds: The low-growing form of Seaside Daisies helps them withstand strong coastal winds.

  17. Rock Garden Plant: They are excellent choices for rock gardens and slopes, providing erosion control.

  18. Low Maintenance: Once established, Seaside Daisies are low-maintenance plants, requiring minimal care.

  19. Hybrid Varieties: There are hybrid varieties of Seaside Daisies with variations in flower color and form, offering additional choices for gardeners.

  20. Container Gardening: They can be grown in containers, allowing people in various settings to enjoy these coastal beauties.

  21. Naturalizing Effect: Seaside Daisies have the ability to naturalize, spreading and creating a carpet of colorful blooms over time.

  22. Long Blooming Period: The extended blooming period adds to their appeal, providing continuous color for an extended part of the growing season.

  23. Coastal Erosion Control: The extensive root systems of Seaside Daisies aid in coastal erosion control, helping to stabilize soil on cliffs and dunes.

  24. Medicinal Folklore: Traditional Native American medicine utilized Seaside Daisy for various ailments, including respiratory issues.

  25. Wildlife Habitat: Besides attracting pollinators, Seaside Daisies can offer habitat for small insects and spiders.

  26. Rain Garden Plant: Their ability to thrive in well-draining soils makes them suitable for rain gardens, helping manage stormwater runoff.

  27. Aromatic Foliage: Some varieties of Seaside Daisies have aromatic foliage, adding another sensory dimension to their appeal.

  28. Cut Flower Use: The flowers can be used in cut flower arrangements, bringing a touch of the coast indoors.

  29. Deer Resistance: Seaside Daisies are often resistant to deer browsing, making them a good choice for gardens where deer are present.

  30. Symbolism: In the language of flowers, daisies are often associated with innocence and purity, adding symbolic meaning to Seaside Daisies in various cultures.


The Seaside Daisy filmed at Lytham St. Anne's in Lancashire on the 12th June 2023.


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