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The Plant Guide

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‘Blue Moon’ Blue phlox

Phlox divaricata 'Blue Moon'

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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 CharacteristicsSpreads by roots, creating a semi-evergreen groundcover.

CareGrow in humus-rich, fertile, moist but well-drained soil in part shade.

PropagationInsert basal cuttings in spring, or take root cuttings in early autumn or winter.

ProblemsPowdery mildew, stem canker, rust, Southern blight, stem nematodes, Cercospora and Septoria leaf spots, leaf miners, and caterpillars.

  • Genus : Phlox
  • Plant Height : 1 to 3 feet
  • Plant Width : 1 to 3 feet
  • Zones : 4, 5, 6, 7, 8
  • Bloom Time : Early Spring, Spring
  • Characteristics : Fragrant Flowers, Self Seeds
  • Maintenance : Low
  • Moisture : Medium Moisture
  • Light : Partial Shade
  • Plant Type : Perennials
  • Plant Seasonal Interest : Spring Interest

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