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Phlox divaricata (Woodland Phlox)

Woodland Phlox, Wild Sweet William, Blue Phlox, Wild Blue Phlox, Louisiana Phlox, Blue Woodland Phlox, Sweet William

AGM Award
Phlox Divaricata, Woodland Phlox, Wild Sweet William, Blue Phlox, Wild Blue Phlox, Louisiana Phlox, Blue Woodland Phlox, Sweet William

Native to eastern North America, Phlox divaricata (Woodland Phlox) is a semi-evergreen, spreading wildflower which creates mats of abundant, open clusters of slightly fragrant flowers in mid to late spring. Each scented, saucer-shaped flower features five, flat, notched, petal-like lobes in shades of lilac, rose or blue. Borne at the tip of hairy and sticky stems, they rise enthusiastically above the lance-shaped foliage.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society
  • A creeping perennial, Phlox divaricata grows only 9-12 in. tall and wide (22-30 cm) and can form large colonies over time, creating a beautiful flower carpet.
  • Prefers part shade and enjoys humusy, moist, well-drained soils. Tolerates clay soils and dry soils. This plant is drought-tolerant once established.
  • Excellent choice for beds and borders, rock gardens, naturalized areas, as a groundcover or underplanting shrubs and roses.
  • Hardy, Phlox divaricata is deer resistant and attracts butterflies and hummingbirds.
  • Watch out for powdery mildew, spider mites and rabbits. Cutting back stems after flowering helps combat mildew.
  • Propagate by division in fall or spring. Propagate by basal cuttings in spring or propagate by root cuttings in early fall or winter.
  • Native to eastern North America.

Requirements

Hardiness 3 - 8
Heat Zones 1 - 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
Plant Type Perennials
Plant Family Polemoniaceae
Genus Phlox
Common names Phlox, Woodland Phlox, Wild Sweet William, Blue Phlox
Exposure Partial Sun
Season of Interest Spring (Mid, Late)
Height 9" - 1'
(23cm - 30cm)
Spread 9" - 1'
(23cm - 30cm)
Spacing 9" - 12"
(23cm - 30cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Plant of Merit, Showy, Semi-Evergreen
Native Plants United States, Pennsylvania, Vermont, Connecticut, Delaware, Maryland, New Jersey, New York, Midwest, Southwest, Southeast, Northeast, Illinois, Minnesota, Indiana, Nebraska, Missouri, Iowa, Ohio, South Dakota, Wisconsin, Michigan, Kansas, Alabama, Kentucky, Georgia, Florida, Arkansas, Mississippi, West Virginia, Virginia, Tennessee, South Carolina, North Carolina, Louisiana, Texas, Oklahoma
Tolerance Drought, Deer, Dry Soil, Clay Soil
Attracts Butterflies, Hummingbirds
Garden Uses Beds And Borders, Ground Covers, Underplanting Roses And Shrubs
Garden Styles Informal and Cottage, Prairie and Meadow, Gravel and Rock Garden
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Alternative Plants to Consider

Phlox paniculata Flame Pro Cerise (Garden Phlox)
Phlox paniculata Super Ka-Pow™ Coral (Garden Phlox)
Phlox paniculata ‘Orange Perfection’ (Garden Phlox)
Phlox paniculata Super Ka-Pow™ Lavender (Garden Phlox)
Phlox ‘Purple Sprite’ (Hybrid Spring Phlox)
Phlox paniculata ‘Red Riding Hood’ (Garden Phlox)

Recommended Companion Plants

Syringa pubescens subsp. patula ‘Miss Kim’ (Lilac)
Campanula persicifolia ‘Alba’ (Peach-Leaved Bellflower)
Heuchera ‘Obsidian’ (Coral Bells)
Aquilegia vulgaris var. stellata ‘Green Apples’ (Columbine)
Lupinus ‘The Chatelaine’ (Lupine)
Orlaya grandiflora (White Lace Flower)
Salvia x sylvestris ‘Snow Hill’ (‘Schneehugel’ Sage)
Allium schoenoprasum (Chives)
Tulipa ‘Shirley’ (Triumph Tulip)

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Edible Flowers: 16 Varieties to Beautify Your Garden and Plate
Great Companion Plants for your Creeping Phlox
Phlox subulata (Creeping or Moss Phlox)
Phlox paniculata (Garden Phlox)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 3 - 8
Heat Zones 1 - 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
Plant Type Perennials
Plant Family Polemoniaceae
Genus Phlox
Common names Phlox, Woodland Phlox, Wild Sweet William, Blue Phlox
Exposure Partial Sun
Season of Interest Spring (Mid, Late)
Height 9" - 1'
(23cm - 30cm)
Spread 9" - 1'
(23cm - 30cm)
Spacing 9" - 12"
(23cm - 30cm)
Maintenance Low
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Plant of Merit, Showy, Semi-Evergreen
Native Plants United States, Pennsylvania, Vermont, Connecticut, Delaware, Maryland, New Jersey, New York, Midwest, Southwest, Southeast, Northeast, Illinois, Minnesota, Indiana, Nebraska, Missouri, Iowa, Ohio, South Dakota, Wisconsin, Michigan, Kansas, Alabama, Kentucky, Georgia, Florida, Arkansas, Mississippi, West Virginia, Virginia, Tennessee, South Carolina, North Carolina, Louisiana, Texas, Oklahoma
Tolerance Drought, Deer, Dry Soil, Clay Soil
Attracts Butterflies, Hummingbirds
Garden Uses Beds And Borders, Ground Covers, Underplanting Roses And Shrubs
Garden Styles Informal and Cottage, Prairie and Meadow, Gravel and Rock Garden
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Phlox
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Phlox
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