Border phlox Phlox paniculata 'David' Photo/Illustration: Jennifer Benner 1 2 3 4 5 6 7 8 9 10 11 Border phlox (Phlox paniculata 'David') floks pah-nik-yew-LAY-tah Genus: Phlox This pure white phlox is valuable in the garden because of its abundant, fragrant flowers, its sturdy growth habit, and its resistance to powdery mildew. Growing to about 3 ½ feet tall and 2 to 3 feet wide, it blooms from early summer to early fall. It needs a consistently moist soil. Use it in a border or cottage garden. It will glow at dusk. Noteworthy Characteristics: Care: Grow in full sun or partial shade and fertile, consistently moist soil. Propagation: Sow seeds in a cold frame as soon as they ripen or in spring. Take basal cuttings in spring or root cuttings in fall or winter. Problems: Stem canker, rust, Southern blight, stem nematodes, leaf spots, leaf miners, caterpillars. 'David' shows resistance to powdery mildew. Overview Height 3 ft. to 6 ft. Spread 1 ft. to 3 ft. Growth Pace Moderate Grower Light Full Sun to Part Shade Moisture Medium Moisture Maintenance Moderate Characteristics Attracts Butterflies, Fragrant Flowers, Native, Showy Flowers Bloom Time Early Fall, Early Summer, Fall, Late Summer, Summer Flower Color White Uses Beds and Borders, Cut Flower Style Cottage Garden, Formal Garden Seasonal Interest Summer Interest Type Perennials Phlox paniculata 'David'View the discussion thread.