Annual Phlox (Drummond Phlox)
Phlox drummondii. POLEMONIACEAE.
Planting and Growing Annual Phlox
You’ll find everything you need to know to plant and grow annual phlox in the accompanying table’s tabs:
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- Flowers, foliage, and root structure of annual phlox
- Plant hardiness and growing conditions for annual phlox
- Season of bloom and planting time for annual phlox
- When, how deep, and where to plant annual phlox
- How to plant annual phlox
- Watering, fertilizing, care, and pests or diseases of annual phlox
- Landscape and container uses of annual phlox
- Comments about annual phlox and its features
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Growing Annual Phlox
Many cultivars of bushy, mounding annual herbs, to 20 in. (50 cm) tall, with hairy stems. Alternate, paired, green, lance-shaped, narrow or oval, pointed leaves, to 2 in. (50 mm) long.
See also: Perennial Garden Phlox (Phlox paniculata), a closely-related species with similar care needs.
Planting and Care Guide
Blooms
Many cream, pink, purple, red, white, star-shaped flowers, to 1 in. (25 mm) wide, in tightly grouped clusters, in summer–autumn.
Best Climates
Self-seeding, zones 3–10.
Soil Type and Fertility
Moist to dry, well-drained soil. Fertility: Rich–average. 6.5–7.0 pH.
Where and How to Plant
Start indoors in spring, zones 3–6, transplanting when soil warms, in full sun to partial shade; sow outdoors, zones 7–10, 10–12 in. (25–30 cm) apart.
Proper Care
Easy. Keep evenly moist. Fertilize monthly. Pinch to keep growth dense and bushy, prolong bloom. Propagate by seed.
About This Plant
Good choice for beds, borders, containers, edgings, ground covers in cottage, meadow, shade gardens. Attracts butterflies, hummingbirds. Phlox bug, spider mite and powdery mildew susceptible.