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PHLOX subulata 'Emerald Blue'

Image of Phlox subulata 'Emerald Blue'

James Burghardt

Family

Polemoniaceae

Botanical Name

PHLOX subulata 'Emerald Blue'

Plant Common Name

Creeping Phlox, Emerald Blue Creeping Phlox, Moss Phlox

General Description

These mat-forming, evergreen perennials are show-stopping when in flower. Emerald blue moss phlox originates from eastern North America and is adapted to open, rocky locations. It has very fine, needle-like leaves of bright green and produces hundreds of pale violet-blue, five-petaled tubular flowers in spring to early summer. Overall, it blooms longer than many other moss phlox selections.

Sun-loving and vigorous, moss phlox prefers very well drained, average soil. It attracts butterflies and looks super planted along stone walls, border edges or in rock gardens.

Characteristics

  • AHS Heat Zone

    8 - 1

  • USDA Hardiness Zone

    3 - 8

  • Sunset Zone

    1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    2"-6" / 5.1cm - 15.2cm

  • Width

    2'-4' / 0.6m - 1.2m

  • Bloom Time

    Spring, Late Spring, Early Summer

  • Native To

    Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, Canada

Growing Conditions

  • Soil pH

    Neutral, Alkaline

  • Soil Drainage

    Average

  • Soil type

    Loam, Sand

  • Tolerances

    Drought

  • Growth Rate

    Fast

  • Water Requirements

    Drought Tolerant

  • Habit

    Mat-forming

  • Seasonal Interest

    Spring, Summer, Fall, Winter

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White, Red, Pink, Light Blue, Blue Violet

  • Foliage Color (Spring)

    Green, Dark Green

  • Foliage Color (Summer)

    Green, Dark Green

  • Foliage Color (Fall)

    Green, Dark Green

  • Foliage Color (Winter)

    Green, Sandy Brown

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    No

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    Yes

  • Showy Bark

    No

Special Characteristics

  • Usage

    Edging, Groundcover, Mixed Border, Rock Garden / Wall

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No