Phlox paniculata 'Ultraviolet'
Phlox paniculata 'Ultraviolet' is a vibrant summer blooming perennial that produces large clusters of vivid purple violet flowers with a strong garden presence and a light sweet fragrance. Its upright habit and long bloom window make it a standout in mixed borders while adding consistent mid to late summer color.
Height & Spread: 24 - 36 in x 24 - 30 in
Bloom Time: Mid to late summer
Light Requirements: Full sun to part shade
Soil Preference: Rich moist well drained soil
Watering Needs: Moderate; prefers consistent moisture
Deer Resistance: Moderately deer resistant
Native Status
This phlox is a cultivated garden selection of Phlox paniculata, a species native to eastern North America and widely used in perennial borders for its color and pollinator value.
WILDLIFE & INSECTS
Butterflies
- Attracts a wide range of butterflies including Swallowtails, Painted Ladies, and Skippers which are drawn to its large nectar rich flower clusters.
Bees
- Highly attractive to native bees, bumblebees, and honeybees which forage heavily on its abundant midsummer blooms.
Hummingbirds
- Visiting hummingbirds are drawn to the tubular florets and bright coloration, especially during peak bloom.
Spacing & Landscape Use
Spacing Recommendations
- Space 18 - 24 in apart to allow good airflow and reduce mildew pressure while supporting full clump development.
Landscape Placement
- Best used in sunny borders, cottage gardens, and perennial beds where its tall flowering spikes can provide strong vertical color.
Companion Plants
- Echinacea purpurea 'Magnus' (Coneflower) - Extends pollinator season with complementary midsummer bloom timing.
- Rudbeckia fulgida 'Goldsturm' (Black Eyed Susan) - Adds strong golden contrast and similar bloom period structure.
- Salvia nemorosa 'Caradonna' (Meadow Sage) - Provides vertical violet spikes that echo and intensify phlox coloration.
- Calamagrostis acutiflora 'Karl Foerster' (Feather Reed Grass) - Brings upright structural contrast behind the flowering display.
- Nepeta faassenii 'Walker's Low' (Catmint) - Softens the base of plantings with cool toned mounding foliage and repeat bloom.