Phlox divaricata 'Blue Moon' (Blue phlox, Wild sweet William, Woodland phlox)

Phlox divaricata 'Blue Moon' Photo/Illustration: William Cullina



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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11
Botanical Name: Phlox divaricata 'Blue Moon' floks div-air-ih-KAY-tah Common Name: Blue phlox, Wild sweet William, Woodland phlox Genus: Phlox
This cultivar of the popular blue phlox has round, full flowers with overlapping petals. It is noteworthy for its particularly rich blue-violet color. Use it in rock gardens or alpine houses, in a dry wall, or as edging.
Noteworthy characteristics: Spreads by roots, creating a semi-evergreen groundcover.
Care: Grow in humus-rich, fertile, moist but well-drained soil in part shade.
Propagation: Insert basal cuttings in spring, or take root cuttings in early autumn or winter.
Problems: Powdery mildew, stem canker, rust, Southern blight, stem nematodes, Cercospora and Septoria leaf spots, leaf miners, and caterpillars.
Height 1 ft. to 3 ft.
Spread 1 ft. to 3 ft.
Growth Habit Spreads
Light Part Shade Only
Moisture Medium Moisture
Maintenance Low
Characteristics Fragrant Flowers; Self Seeds; Showy Flowers
Bloom Time Early Spring; Spring
Flower Color Blue Flower; Purple/ Lavender Flower
Uses Beds and Borders, Cut Flower
Style Rock Garden, Woodland Garden
Seasonal Interest Spring Interest
Type Perennials

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