Details of...
Scientific Name: Phlox subulata
Pronunciation: FLOCKS sub-you-LAY-tuh
Common Name: creeping phlox, moss phlox
Family Name: Polemoniaceae
Plant Type: Ground cover, Semi-evergreen, Broadleaf evergreen
Key ID Features: Loose, mat forming mound; leaves mostly opposite, awl-shaped or linear, pointed, thick, and clustered at nodes; flowers about 2 cm wide with notched petals.
Course(s): HORT 1193/1293, HORT 2355, Level 4 Apprenticeship, CLT Training

Habit: Spreading
Form: Creeping / Mat-like
Texture: Fine
Mature Size:
Height:0.1 - 0.2m
Spread:0.6 - 1.0m
Growth Rate:Slow
Origin: U.S. - central, U.S. - northeast
Hardiness Rating: Zone 2: (-46 to -40 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium: Rocky or gravelly or dry, Well-drained
Water Use: Moderate
Landscape Uses: Alpine, Container planting, Ground cover, Hanging basket, Native planting, Perennial border, Rock garden, Small garden/space, Spring interest, Woodland margin
Additional Info: Google. Cultivars shown or on campus may include P. 'Emerald Blue'P. 'Snowflake', P. 'Purple Beauty', and P. 'Amazing Grace'.
creeping phlox, moss phlox
Leaf Morphology: Glossary
Form: Simple
Arrangement: Opposite
Texture/ Venation: Soft flexible
Surfaces: Pubescent
Colour in Fall: Green
Leaf(let) Terms:
Shapes: Elliptic
Margins: Ciliate

Inflorescence Type: Cyme
Flower Morphology:Flowers perfect
Number of Petals:5
Corolla Shape:Salverform
Ovary Position:Superior
Colour (petals): Showy, White, Violet, Pink, Red, Blue, Purple, (cv. 'Millstream Daphne' has bright pink flowers)
Flower Scent: Fragrant
Flower Time at Peak: Apr, May, Jun
Additional Info: cvs, Amazing Grace is white with a pink eye, Purple Beauty is red purple, Snowflake is white

Fruit Type: Capsule
Fruit Colour: Brown
Fruiting Time: Jul, Aug
Additional Info: Not showy
Bark or Stem Colour:

Propagation: Seed, Layering, Division - below ground parts
Plant Care:
Pest Susceptibility: Leaf miner insect, Mildew, Mites, ( Drought resistant )
(AGB) Acer Griseum Bed : cvs. Snowflake, Purple Beauty, Amazing Grace
(BCW) Boulevard (Circular) Westend : green wall - cv. Emerald Blue or Amazing Grace
(PDW) PonD West
(WLG) WoodLand Garden
Location Map

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