David Garden Phlox

David Garden Phlox

Phlox paniculata 'David'

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

  • Fragrant white flower clusters are produced in summer, 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.
  • Upright habit, reaching 85 cm at maturity; divide every three years to maintain vigour and improve air circulation.
  • Best in full sun to partial shade to full shade with moist, well-drained soil.
Size
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Plant Characteristics

Sunlight
Full sun, Partial shade, Shade
Soil Moisture
Well-drained, Moist, Average
Hardiness Zone
3 – 3
Mature Height (meters)
0.75 – 0.85
Mature Spread (meters)
0.6 – 0.7
Growth Rate
Medium
Flower Colour
White
Foliage Colour
Green
Bloom Time
Summer
Habit
Upright
Deer Resistant
✓
Pollinator Friendly
✓
Attracts Birds
✓
Fragrant
✓
Landscape Uses
Border, Mass planting, Accent
Growing & Maintenance Tips
Phlox paniculatagrows best in an average to moist, well-drained soil, in full sun to partial shade. This cultivar has some tolerance of drought, although flowering will be affected. A summer mulch will help keep root zones cool. Deadhead to prolong bloom time and improve overall appearance. Provide good air circulation when choosing a location for this species to reduce the potential of powdery mildew, although 'David' is known to be mildew resistant.
Notes
Also referred to as Autumn Phlox, Cross-leaved Phlox, Fall Phlox, Perennial Phlox, Summer Phlox, Tall Phlox.

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