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Blue Sea Holly

Great solution for hard-to-grow spots!
Attractive, blue-gray foliage and interesting blue flowers make excellent additions to fresh or dried bouquets. Best of all, this hardy perennial thrives in dry, sandy, sunny areas, and it even tolerates salty conditions!
  • Zone 4-10
  • Height 24 - 30 inches
  • Bloom Time Summer.
  • Light Requirements Full Sun

We ship this item in Spring

Availability: In Stock

#76272

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Product Details

  • Botanical Name:

    Eryngium alpinum

  • Height: 24 - 30 inches
  • Ship As: NO. 1 BAREROOT
  • Spacing: 18" - 22"
  • Spread: 18" - 24"
  • Light Requirements: Full Sun
  • Color: blue
  • Foliage Type: Lower leaves heart-shaped, up to 6" long with margins covered in spiny teeth. Stem leaves palmately lobed, tinged with blue.
  • Bloom Time: Summer.
  • Flower Form: The 1 1/2" pineapple-like heads are subtended by several ruffs of delicate, pinnetely cut, steel blue bracts.
  • Planting Instructions: Dig a hole large enough to accommodate the roots without bending them. Plant firmly and water in thoroughly. If potted, plant same depth as in pot.
  • Soil Requirements: Well drained, open soil
  • Growth Rate: Moderate once established, which takes approximately 4 - 6 weeks
  • Pruning: None, except to cut back spent flower stems After flowering
  • Winter Care: Protect from excessive winter moisture (standing water).
  • Additional Information: This has an extended bloom time as the side branches produce abundant, albeit smaller flowers. These, along with the terminal flower forms an open, broad conical flowering head.
  • Unable to ship to: AE AK GU HI PR

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