Northwest Blooms · Perennials
Phlox paniculata 'Barthirtythree'
Volcano Purple Garden Phlox
- Family
- Polemoniaceae
- Height
- 15–18 inches
- Width
- 15–18 inches
- Flower color
- Magenta-purple with a contrasting white eye
- Foliage color
- Dark green
- Bloom time
- Mid to late summer
- Light
- Full sun to partial shade
- Water
- Moderate
- Maintenance
- Low; deadhead spent blooms to encourage reblooming; prune back in early spring
- Growing zone
- USDA zones 3–8
- Wildlife
- Attracts bees, butterflies, and hummingbirds
About this plant
Phlox paniculata 'Barthirtythree' is a compact perennial that blooms from mid to late summer, producing clusters of magenta-purple flowers with a contrasting white eye. These fragrant blooms attract hummingbirds and butterflies, adding movement and color to the garden. The plant features dark green, lance-shaped foliage that complements the bright flowers. Its shorter size makes it suitable for smaller gardens, containers, or the front of borders. This cultivar is part of the FLAME™ series, known for its mildew resistance and early blooming habit.
'Barthirtythree' is recognized for its resistance to powdery mildew, a common issue in many phlox varieties. This trait makes it a low-maintenance choice for gardeners seeking a reliable and attractive plant. With its long-lasting blooms and sturdy growth habit, 'Barthirtythree' is a valuable addition to perennial gardens, offering both beauty and resilience.
Works well in
Borders · Cottage Gardens · Pollinator Gardens · Hummingbird Gardens · Containers
Companion plants
Sedums · Columbines · Lungworts · Daylilies · Japanese anemones · Bleeding hearts
Design tip
The long summer show pairs well with plants that peak earlier, keeping one area interesting for months. Because it is easy about light, use it to carry a planting from a sunny end of the bed into the shadier side.
