Phlox, Star-Rock Creeping PhloxCreeping Phlox is a native spreading perennial that forms a mat of oval dark green foliage. Leafy upright flowering stems host loose clusters of fragrant lavender flowers with rounded lobes bloom throughout summer into fall. Best flowering in full sun and rich, consistently moist, well drained soils. Type: Perennial Origins: Appalachian Mountains, GA Native Height: 0. 5' 1' Spread: 0. 5' 1. 5 Spacing: 1 USDA Hardiness Zone: 5 9 Culture: Full Sun, Part