Creeping phlox

Phlox subulata

Phlox subulata: Form

Creeping phlox makes a low, dense mat of needle-like leaves, covered in spring flowers that can spill over a wall or soften sunny slopes.

Height
10–16 cm / 0.3–0.5 ft
Spread
60–92 cm / 2–3 ft
Light
Full sun / Partial shade
Soil moisture
Dry / Moist, well-drained
Flowering
Spring
Foliage
Semi-evergreen
Maintenance
Low
USDA zones
3a–9b
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Planting

Plant in full sun and moist, well-drained soil; sandy or gravelly ground is suitable. In hot, humid summers, a little dappled shade can help.

Care

After flowering, shorten the stems by about half to keep growth dense and the outline compact. Older clumps may become sparse in the centre as growth moves outwards.

Before planting: Spider mites can affect plants in hot, dry conditions; rabbits may eat the foliage.

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Sources & photo credit

Plant reference: NC State Extension Gardener Plant Toolbox. Content checked . Flowering seasons vary with local climate; USDA zones describe winter cold tolerance.