The Plant Guide

Browse the Full Plant Guide

‘Blue Moon’ blue phlox

Phlox divaricata ‘Blue Moon’

floks div-air-ih-KAY-tah

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 ground cover.

CareGrow in humus-rich, fertile, moist but well-drained soil in partial 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

Plant Characteristics are only available to Fine Gardening members

Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.

Start Free Trial

Related Plants

Related Articles

More From the Plant Guide

Winter Interest

Partial Shade

Browse the Full Plant Guide