Annual Phlox (Phlox drummondi) - Annual that blooms flat topped clusters in spring & summer. 
 
Growth: 6 to 12 inches tall.
Light: Thrives in full fun. Tolerates partial shade.
Soil: Prefers evenly moist, well-draining, sandy, fertile soil.
Hardiness: Fairly hardy. Somewhat drought tolerant. Deer resistant.
Maintenance: Deadhead blossoms to encourage more blooms. Don’t over-water to avoid mildew, spider mites, or crown rot.
Benefits: Attracts butterflies, hummingbirds, & other pollinators. Excellent for rock or cottage gardens, or as ground cover.