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PlantFiles: Creeping Phlox, Moss Phlox
Phlox subulata 'Emerald Blue'

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Family: Polemoniaceae (po-le-moh-nee-AY-see-ee) (Info)
Genus: Phlox (floks) (Info)
Species: subulata (sub-yoo-LAH-tuh) (Info)
Cultivar: Emerald Blue
Additional cultivar information: (aka Blue Emerald)

6 vendors have this plant for sale.

18 members have or want this plant for trade.

Category:
Perennials

Height:
under 6 in. (15 cm)

Spacing:
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Blue-Violet

Bloom Time:
Mid Spring

Foliage:
Evergreen

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From herbaceous stem cuttings
By simple layering
By stooling or mound layering

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:
By victorgardener

Thumbnail #1 of Phlox subulata by victorgardener

By Galanthophile

By kniphofia

By Gabrielle

By sanannie

By victorgardener

There are a total of 11 photos.
Click here to view them all!

Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

Rating	Author	Comment
Positive	outdoorlover	On Apr 15, 2008, outdoorlover from Enid, OK (Zone 7a) wrote: This is a beautiful little plant which grows rather slowly. It flowers for an extended time in the spring in our region. I plan to propagate it soon to spread it out.
Positive	Gabrielle	On Jan 28, 2006, Gabrielle from Washington, IL (Zone 5a) wrote: Blooms late April to late May in my garden. I love 'Blue Emerald', but wish it grew a bit faster. My information says it is hardy in zones 2-10. Cut back to 3 inches in spring to encourage new growth.

Regional...

This plant has been said to grow in the following regions:

Washington, Illinois
Red Oak, Iowa
Uxbridge, Massachusetts
Royal Oak, Michigan
Mathiston, Mississippi
Omaha, Nebraska
Sandown, New Hampshire
Rio Rancho, New Mexico
Belfield, North Dakota
Haviland, Ohio
Enid, Oklahoma
Hulbert, Oklahoma
Harrisburg, Pennsylvania
Mckeesport, Pennsylvania
Osceola Mills, Pennsylvania
Easley, South Carolina
Inman, South Carolina
Greeneville, Tennessee
Knoxville, Tennessee
Fort Worth, Texas
Nevada, Texas
Salt Lake City, Utah
Richmond, Virginia
Moxee, Washington
Shelton, Washington
Milwaukee, Wisconsin

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