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Phlox subulata 'Emerald Blue'
  • Emerald Blue Creeping Phlox is a hardy sun ground cover
  • Phlox subulata Emerald Blue is covered in blue flowers in the spring
  • Phlox subulata Emerald Blue grows well along slopes, banks, and pathways

Phlox subulata 'Emerald Blue'

Cold hardy zone 3 groundcover for tough sites!
Item: #PHLEB1Q
ZONE 3,4,5,6,7,8,9
As low as $11.19
  • Fast growing evergreen groundcover
  • 100's of fragrant blue flowers in late spring
  • Thrives in tough soil sites
  • Excellent on banks, slopes & along pathways
  • Attractive evergreen foliage throughout the year
  • Ship size: Jumbo 1 Quart
  • View all PHLOX
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Phlox subulata 'Emerald Blue' Description

Creeping phlox, or Phlox subulata ushers in spring like no other sun perennial groundcover. 

In late spring, hundreds of fragrant star-shaped blue blooms burst forth in such masses they obscure the foliage.

Sun loving creeping phlox forms a low growing mat-forming groundcover. Leaves are narrow and pointed, and stay evergreen adding 4 seasons of interest!

Highly adaptable to most well-drained soils whether acidic, or alkaline. It even grows in gravelly soil!

Stunning in mass plantings. Use as a foreground planting to colorful coneflowers, upright sedums or medium sized shrubs.

Special features: Attracts butterflies, Cold hardy, Deer resistant, Drought tolerant, Easy care, Evergreen, Fast growing, Fragrance, Heat tolerant, Tolerates foot traffic, Winter interest


Quick Facts

  • Botanical name:
    Phlox subulata 'Blue Emerald'
  • Common name:
    Creeping phlox
  • Zone:
  • Sun exposure:
    Sun-Part shade-Shade
  • Delivery:
    See schedule
  • Ship form:
    1 quart
  • Soil type:
    Normal, Sandy
  • Soil moisture:
    Average, Moist
  • Height x width:
    4-6" x 24"
  • Flower color:
  • Foliage color:
  • Bloom season:
    Late spring-early summer
  • Uses:
    Alpine and rock, Container gardening, Edging, Ground cover, Rock garden, Small spaces
  • Cannot ship to:
    AK, HI
  • Patent #:None



Soil: Well-drained soil enriched with organic matter. Plants prefer soil with a slightly acid to neutral pH.
Light: Phlox grow best in full sun (or partial shade in the South)
Water: Medium.
Spacing: 15 - 18 inches
Fertilizing: A general purpose slow-acting granular fertilizer worked into the soil around the plants in the spring is sufficient for phlox for the season.
Winterizing: No special care needed. Leave foliage standing in winter, and clean up spent foliage in spring.
Maintenance & pruning: Cut back stems after flowering by 1/2. This will maintain dense growth and attractive habit for the summer months. This will also encourage some fall rebloom. Cut out any brown stems.


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Size and Quality!
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Chris B  |  Jan 25, 2018
I could not believe the size and quality of the plants - even better than our local nursery. I've never ordered plants that were as carefully packaged as your plants - you really went the extra mile to make sure the plants arrived in good health. Impressed with everything!! Great Job .