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  • Perennials ( 8 )
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Items 1-8 of 8
  1. Eryngium deppeanum, Mexican Sea Holly
    This North American sea holly's native range spans the length of Mexico, and it features long, spiky dark green basal foliage rather than the rounded blue-green leaves of the more commonly seen European species. The flowers are still the fun, slightly creepy thistle-like spikes that won the hearts of all...
    $12.40 $15.50
  2. Eryngium alpinum, Sea Holly
    A blooming specimen of this sea holly is a sight to behold. Very ornamental steely-blue-purple thistle-like flowers on 2-3' stems have a pretty and spiny ruff - the floral equivalent of excitement. Eryngiums are incredibly hardy, and happily grow in hot and dry conditions. Excellent choice for coastal areas. Clumping perennial. Mature Size:...
    From $14.00
  3. Eryngium planum, Sea Holly
    Easy and rewarding perennial with starbursts of blue umbels on tall, upright stems. Excellent cut flower and dries well too. Herbaceous perennial; mature size 2-3 ft T x 1-2 ft W Minimum temperature: -20° F Photo close up by H. Zell / CC BY-SA Photo of umbel group by Андрей Корзун (Kor!An) / CC BY-SA Photo...
    From $12.40
  4. Eryngium bourgatii, Mediterranean Sea Holly
    Clumping, upright plants have exceptional, dissected, white-veined green leaves, and copious, almost iridescent, blue and white spiny star flowers - superb with burgundy Euphorbia. This is a Mediterranean plant that likes to bloom in mid to late summer and is one of the most satisfying of the Eryngiums. Mature size: 1-2...
    $11.60 $14.50
  5. Eryngium alpinum 'Blue Star', Sea Holly
    E. alpinum cultivar 'Blue Star' has a saturated metallic blue coloration in the thistle-like flowers with an eye-catching spiny ruff. The flowers are held aloft on stiff stems reaching heights of 2-3 ft. Eryngiums are incredibly hardy, and happily grow in hot and dry conditions. Excellent choice for coastal areas. Clumping...
    $16.40 $20.50
  6. Eryngium 'Big Blue' PP20636, Sea Holly
    Huge, iridescent, steel-blue cones with spiny bracts on purple-blue stems rise 2+ feet above spiky green foliage with white veins. Minimum temperature: -30° F
    From $12.40
  7. Eryngium pandanifolium ‘Physic Purple’, Giant Sea Holly
    South American native with bold architectural design potential. Narrow, toothed, blue-grey leaves arch in a 2-3 ft tall x 5 ft wide mounding rosette. Established plants send up a colossal 6-8 ft tall flower stalk with panicles of purple-hued spherical blossoms! Clay and drought tolerant. Mature size: 6-8 ft T x 3-5 ft W Minimum temperature: 10°...
    $19.60 $24.50
  8. Eryngium giganteum, Miss Wilmott's Ghost Giant Sea Holly
    This large-leaved variety has big, silvery-green flowers surrounded by silver bracts to create an overall silver-white, ghostly impression. Striking! And the potential for contrast in the garden is limitless. Mature size: 2-4 feet T & W Minimum temperature: -10° F
    $10.80 $13.50