Garden Phlox
Phlox paniculata
A classic summer perennial with big, domed clusters of fragrant flowers in white, pink, lavender or red from midsummer into fall, beloved by butterflies and hummingbirds. Give it rich, moist soil, sun and good air flow, and choose a mildew-resistant variety, since powdery mildew is its frequent trouble.
_Phlox_paniculata_famous_light_purple_-_Les_Martels,_Giroussens_Tarn.jpg){kind=link}
- Mature size
- 3.5 × 2.5 ft
- 1.1 × 0.8 m, tall × wide
- Hardiness
- Zones 4a–8b
- USDA
- Sun
- Full sun
- Water
- Medium to moist
- Blooms
- Jul–Sep
Garden Phlox at its mature size
A mature Garden Phlox grows 3 to 4 feet tall and 2 to 3 feet wide.
Drawn to scale beside a 5 ft 9 in person. With VeraScape, you see it at this size in your own yard.
Typical mature size, unpruned. Sources: Missouri Botanical Garden.
Through the year
What Garden Phlox looks like month by month in a typical zone 6–7 garden.
Below ground · Nov–Apr
Dies back to the ground.
In leaf · May–Jun
Upright stems with paired pointed dark green leaves, no flowers.
In flower · Jul–Sep
Large domed clusters of fragrant white flowers.
Fall · Oct
Spent heads brown, leaves dull.
Photos
Growing Garden Phlox
- Grows well in
- The Northeast, the Southeast, and the Midwest.
- Growth rate
- Medium
- Good for
- Pollinators and fragrant
- Leaves
- Dies back in winter
- Native to
- Eastern United States
Spacing
VeraScape spaces plants so their grown canopies just touch. For Garden Phlox, that’s about 2.5 ft apart, center to center.
Place a row in your own yard and VeraScape spaces them at their mature width, so you can see whether they’ll crowd the walk.
See Garden Phlox in your yard before you dig
Visualize it at its true size, alongside the rest of your design.
Other phlox
Creeping Phlox
Garden PhloxAll drawn to the same scale.