Annual Phlox
Beauty Blue Phlox is a low-growing annual flower that transforms garden borders with its spectacular silvery-purple blooms. This cultivar of Phlox drummondii reaches just 10 inches tall, making it perfect for edging and massed plantings where uniform color is desired. Hardy in zone 6, it flowers generously within 70 days of planting and thrives in full sun with moderate water.
Full Sun
Moderate
6-6
10in H x ?in W
Perennial
High
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The hallmark of Beauty Blue Phlox is its absolutely stellar bloom production, with silvery-purple flowers that completely cover the sprawling mounds of foliage. Gardeners report the densest flower coverage when soil fertility is kept moderate rather than rich, rewarding restraint with even more blooms. Its compact 10-inch stature and tidy growth habit make it exceptionally reliable for borders and edging.
Beauty Blue Phlox is grown as an ornamental flower for garden borders, edging, and mass plantings where dense, uniform color is desired. Its low-growing habit and profuse blooming make it excellent for front-of-border displays and container arrangements.
Start seeds indoors 6-8 weeks before the last frost date. Sow seeds on the soil surface or press lightly into moist seed-starting mix and maintain a germination temperature of 65-75°F. Seedlings typically emerge within 10-14 days.
Harden off seedlings gradually over 7-10 days by exposing them to increasing periods of outdoor conditions. Transplant outdoors after the last frost date when soil has warmed and nighttime temperatures consistently stay above 50°F. Space plants 18 inches apart each way.
Direct sow seeds outdoors after all frost danger has passed and soil has warmed to at least 60°F. Press seeds lightly into soil or scatter on the surface, as light enhances germination.
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