Ozark Phlox is a clump-forming perennial native to rocky woods and prairies across much of North America, prized for its fragrant, showy flowers that bloom from May through October. This frost-hardy subspecies grows 12 to 24 inches tall and spreads via underground rhizomes, thriving in full sun with moderate water and tolerating clay soils and drought with remarkable ease. Its appeal lies in its low-maintenance nature, pollinator magnetism, and ornamental versatility, whether planted as a ground cover, naturalized in meadows, or used in fresh-cut arrangements.
1
Full Sun
Moderate
4-9
24in H x 18in W
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Moderate
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Ozark Phlox produces fragrant, showy flowers over an extended season and handles conditions that challenge other phlox species. Its resistance to powdery mildew and ability to spread through rhizomes into spreading clumps make it reliable and increasingly vigorous with time. Butterflies and hummingbirds visit regularly, and deer leave it untouched, giving gardeners a truly low-stress perennial that blooms prolifically without fussy care.
Ozark Phlox works beautifully as a ground cover in sunny spots, especially where drier soils or clay present obstacles to other perennials. Its spreading rhizomatous habit makes it valuable for naturalizing into meadows and prairie gardens, and its fragrant flowers earn a place in fresh-cut arrangements. The showy blooms and extended flowering window support pollinator gardens and native plant landscapes.
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Start seed indoors in a seed tray with fertile, well-draining soil at germination temperatures between 55 and 70 degrees Fahrenheit. Maintain consistent moisture until seedlings emerge. Transplant seedlings into individual pots once they develop true leaves.
Harden off seedlings over 7 to 10 days by gradually exposing them to outdoor conditions. Transplant into the garden after the last frost date when soil has warmed, spacing plants 12 inches apart in full sun to part shade.
Direct sow seed in spring after soil has warmed, or in fall for natural stratification over winter. Scatter seed on prepared soil and press lightly into contact; do not cover deeply.
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“Ozark Phlox is native to rocky and dry open woodlands, valleys, thickets, and prairies stretching from Connecticut to Ontario and Manitoba, extending south to Louisiana and Florida. In Missouri specifically, it grows wild throughout most of the state in meadows and limestone glades, where early botanists documented its preference for well-drained, sometimes challenging terrain. Its common relatives include prairie phlox and downy phlox, and this subspecies represents the Ozark Mountain ecotype of Phlox pilosa, a species humans have observed and treasured in native plant communities for centuries.”