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Blueflower Eryngo, scientifically known as Eryngium integrifolium, is a captivating native perennial prized for its striking blue flowers and unique foliage. As a member of the carrot family (Apiaceae), it adds an intriguing texture and color contrast to gardens and landscapes.



Blueflower Eryngo is characterized by its upright stems adorned with spiny, silver-blue foliage and clusters of small, cone-shaped blue flowers. The flowers are surrounded by spiky bracts, giving the plant a distinctive appearance reminiscent of a thistle. It typically grows to a height of 2 to 3 feet, making it an eye-catching focal point in the garden.


Growing Conditions:

- Thrives in well-drained soil with moderate fertility.

- Prefers full sun but can tolerate partial shade, especially in hotter climates.

- Hardy in USDA zones 4-9, making it adaptable to a wide range of environments.

- Drought-tolerant once established but benefits from regular watering during dry spells.



- Deadhead spent flowers to promote prolonged blooming and prevent self-seeding.

- Trim back any dead or damaged foliage in late winter or early spring to encourage new growth.

- Mulch around the base of the plant to conserve moisture and suppress weeds.

- Division of clumps can be done in spring to rejuvenate the plant and propagate new specimens.


Wildlife Attraction:

- The flowers of Blueflower Eryngo attract a variety of pollinators, including bees, butterflies, and hoverflies.

- Provides habitat and food for various species of butterflies and moths during their larval stage.

- The spiny foliage offers shelter and nesting sites for small birds and other wildlife.

- Enhances biodiversity in the garden by supporting a range of pollinators and beneficial insects.

- Being in the carrot family, it is especially attractive to Black Swallowtails but has not been reported as a host plant. 


Add a touch of elegance and intrigue to your garden with Blueflower Eryngo – a native perennial that's both ornamental and beneficial to wildlife.

Blueflower Eryngo, Eryngium integrifolium

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