Native Plants
Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Phlox divaricata ssp. laphamii
Phlox divaricata L. ssp. laphamii (Alph. Wood) Wherry
Lapham's Phlox, Blue Phlox, Sweet William
Polemoniaceae (Phlox Family)
Synonym(s): Phlox divaricata var. laphamii
USDA Symbol: PHDIL6
USDA Native Status: L48 (N)
Lapham’s Blue Phlox has semi-decumbent stems that send up erect branches 12-30 in. Loose clusters of showy, fragrant, usually purple flowers, with a dark "eye," occur at the top of these stems. The leaves on decumbent stems are broader than those on flowering stems.
Plant Characteristics
Duration: PerennialHabit: Herb
Fruit Type: Capsule
Size Notes: Up to about 30 inches tall.
Bloom Information
Bloom Color: White , Purple , VioletBloom Time: Mar , Apr , May , Jun , Jul
Bloom Notes: Purple to lavender to violet, occasionally white.
Distribution
USA: AL , AR , FL , GA , IA , IL , IN , KS , KY , LA , MD , MN , MO , MS , NC , NE , OK , PA , SD , TN , TX , VA , WI , WVNative Distribution: WI to e. NE, s. & e. to FL & e. TX
Native Habitat: Moist, deciduous woods
Growing Conditions
Light Requirement: Part ShadeSoil pH: Circumneutral (pH 6.8-7.2)
Soil Description: Humus-rich, moist soils.
Conditions Comments: Blue phlox self-sows readily forming natural drifts.
Propagation
Description: Propagate by division, seed or "softwood" cuttings (rooted stem) taken in late spring.Seed Treatment: Cold-moist stratification.
Commercially Avail: yes
Bibliography
Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. WasowskiSearch More Titles in Bibliography
Web Reference
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona ChapterAdditional resources
USDA: Find Phlox divaricata ssp. laphamii in USDA PlantsFNA: Find Phlox divaricata ssp. laphamii in the Flora of North America (if available)
Google: Search Google for Phlox divaricata ssp. laphamii
Metadata
Record Modified: 2023-02-22Research By: TWC Staff