Woodland Phlox

Woodland Phlox

Phlox divaricata 'Blue Moon'

This spreading phlox bears fragrant purple flowers in spring: a reliable garden perennial valued for its colourful summer display and attractiveness to butterflies and hummingbirds.

  • Fragrant purple flower clusters are produced in spring, attracting butterflies, hummingbirds, and other pollinators.
  • Plant in full sun with good air circulation to minimize powdery mildew, a common challenge for garden phlox in humid Ontario summers.
  • Spreading habit, reaching 45 cm at maturity; divide every three years to maintain vigour and improve air circulation.
  • Best in partial shade to full shade with moist, well-drained soil.
Size
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Plant Characteristics

Sunlight
Partial shade, Shade
Soil Moisture
Well-drained, Moist, Average
Hardiness Zone
3 – 3
Mature Height (meters)
0.3 – 0.45
Mature Spread (meters)
0.25 – 0.3
Growth Rate
Medium
Flower Colour
Purple
Foliage Colour
Green
Bloom Time
Spring
Habit
Spreading
Deer Resistant
Pollinator Friendly
Fragrant
Landscape Uses
Border
Growing & Maintenance Tips
Phlox divaricatagrows best in an average to moist, well-drained soil, in dappled shade. Provide good air circulation when choosing a location for this species to reduce the potential of powdery mildew. Cut back after flowering to encourage fresh growth and a tidier habit.

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