This low-growing, mat-forming perennial produces a carpet of soft rose pink flowers in spring, creating a vibrant splash of colour that hugs the ground. Phlox subulata ‘Fort Hill’ is perfect for edging, rockeries, and spilling over walls, offering a dense blanket of blooms that transforms outdoor spaces early in the season.

Phlox subulata ‘Fort Hill’, commonly known as Creeping Phlox or Moss Phlox, is loved for its ability to create a colourful ground cover with minimal effort. Its fine, needle-like evergreen foliage forms a lush mat year-round, while its spring flowers attract pollinators and bring life back into the garden after winter.

Perennial

Mat-forming, Spreading, Evergreen

Flowers: April – May

Foliage: Year-round

Scientific Name
Phlox subulata ‘Fort Hill’ (awl-leaved phlox, referring to its needle-like foliage)

Common Name
Creeping Phlox, Moss Phlox

Origin
Native to eastern North America, with cultivars bred for garden performance

Pruning Tips
Trim lightly after flowering to maintain a neat shape and encourage fresh growth. Can be cut back more firmly if it becomes woody or sparse

Wildlife Value
Attracts bees and early pollinators during its spring flowering period

Positioning
Full sun in a well-drained position. Ideal for rockeries, gravel gardens, alpine beds, and spilling over walls or edging paths

Water
Water during establishment and prolonged dry spells. Once established, it is relatively drought tolerant

Soil
Well-drained, sandy or gravelly soil. Avoid heavy, waterlogged conditions, especially in winter

Food
Feed lightly in spring with a balanced fertiliser if needed

Pet-safe
Generally considered non-toxic to pets

Sprouts Top Tips
Plant along the edge of a wall or raised bed to let it cascade naturally, creating a soft, colourful blanket effect each spring.