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perennial

Blue Glitter Sea Holly

Eryngium planum 'Blue Glitter'

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Blue Glitter Sea Holly (Eryngium planum 'Blue Glitter') at Tagawa Gardens

Blue Glitter Sea Holly flowers

Blue Glitter Sea Holly flowers

(Photo courtesy of NetPS Plant Finder)

Plant Height:  18 inches

Flower Height:  3 feet

Spacing:  15 inches

Sunlight:  full sun 

Hardiness Zone:  4

Other Names:  Flat Sea Holly, Tetra Petra

Description:

Unusual and show-stopping prickly steel-blue flowers with darker blue stems, thistle-like; tolerates hot dry sites; attractive to butterflies; pair up with softer textured plants, beautiful in dried arrangements

Ornamental Features

Blue Glitter Sea Holly features bold clusters of steel blue ball-shaped flowers with silver bracts at the ends of the stems from early to late summer. The flowers are excellent for cutting. Its attractive spiny lobed leaves remain silvery blue in color throughout the season. The fruit is not ornamentally significant. The royal blue stems are very colorful and add to the overall interest of the plant.

Landscape Attributes

Blue Glitter Sea Holly is an herbaceous perennial with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This plant will require occasional maintenance and upkeep, and is best cleaned up in early spring before it resumes active growth for the season. It is a good choice for attracting bees and butterflies to your yard. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Self-Seeding

Blue Glitter Sea Holly is recommended for the following landscape applications;

  • Mass Planting
  • Hedges/Screening
  • General Garden Use

Planting & Growing

Blue Glitter Sea Holly will grow to be about 18 inches tall at maturity extending to 3 feet tall with the flowers, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 15 inches apart. It tends to be leggy, with a typical clearance of 1 foot from the ground, and should be underplanted with lower-growing perennials. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant should only be grown in full sunlight. It prefers dry to average moisture levels with very well-drained soil, and will often die in standing water. It is particular about its soil conditions, with a strong preference for poor, alkaline soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America. It can be propagated by cuttings; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Massing  Screening  Garden 
Applications
Flowers  Foliage Color  Texture  Bark  Attracts Wildlife 
Ornamental Features

Disclaimer: Inventory varies seasonally as well as by the hour during busy season. Please call us directly 303-690-4722 or visit us for current availability.


Welcome to Tagawa Gardens
Nursery & Garden Center

Click Here for our latest in-store Coupon!*

Like our new website?
Take our Survey!

HOURS: (map / directions)

CONTACT US: (click here for e-mail)      303.690.4722
7711 S. Parker Road Centennial, CO 80016

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