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Phlox cultivar

Phlox stolonifera

Creeping woodland perennial

V Written by Editorial Team · Updated January 2026

Phlox stolonifera is a creeping woodland phlox that spreads by leafy stolons to form a soft, semi‑evergreen ground cover. Upright flowering stems rise above the mat in spring with lavender to white blooms. It is best in part shade with humus‑rich, slightly acidic, evenly moist soil and good air movement. Once established it can handle short dry spells and light foot traffic along paths. This species stabilizes slopes, edges shaded borders, and covers ground under open trees.

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Phlox stolonifera

Creeping woodland perennial

At‑a‑glance

  • Group/Class: Creeping woodland perennial
  • Height × spread: 6–12 in (15–30 cm) × 9–18 in (23–46 cm)
  • Bloom window: April to May
  • Color & flower form: Short clusters of tubular flowers in lavender, pink, or white above a spreading mat
  • Fragrance: 2 noticeable
  • USDA hardiness: zones 5–9
  • Breeder / Year / Origin: unknown; native to the Appalachian region
  • Pet safety: unknown

How it differs

  • Creeping habit from stolons rather than tight cushions.
  • Prefers part shade and richer soil than moss phlox.
  • Blooms in spring well before border phlox.
  • Semi‑evergreen foliage for cover in mild winters.

Strengths

  • Good shade ground cover.
  • Erosion control on banks.
  • Deer and rabbit tolerance reported by extensions.
  • Handles short dry spells once established.

Care in one minute

Plant in part shade with humus‑rich, well‑drained, slightly acidic soil.

Keep evenly moist the first season; mulch to conserve moisture.

Shear lightly after bloom to refresh the mat and reduce mildew.

Allow room to spread; divide or redirect runners as needed.

Watch‑outs

  • Powdery mildew in humid, stagnant air.
  • Spider mites in hot, dry sites.
  • Rabbits may browse new growth where populations are high.

Best uses (tags)

  • ground cover
  • slopes
  • shade‑tolerant
  • naturalizing
  • path edges

Provenance note

A creeping phlox native to the Appalachian Mountains; the epithet reflects its stolon‑forming habit.

References

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Written by: Your Flowers Guide editorial team
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