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Phlox glaberrima ssp. interior (Wherry) Wherry
Marsh phlox, Smooth phlox
USDA Symbol: PHGLI
USDA Native Status: Native to U.S.
An erect, clump-forming perennial, 20-30 in. tall, with large, broadly lance-shaped leaves and 4-8 in. wide terminal and axillary clusters of bright-pink, lavender, or rarely white flowers.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: Pink , Purple
Bloom Time: Jun , Jul , Aug , Sep
AL , AR , IL , IN , KY , LA , MO , MS , OH , OK , TN , WI Native Distribution:
S.e. WI, IL & n.w. OH, s. to n.e. MO & KY Native Habitat:
Wet woods; thickets USDA Native Status: L48(N)
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Wet
Soil Description: Moist to mesic soils.
Conditions Comments: The species P. glaberrima is similar but occurs to the south and east (FL to s.e. VA, w. to KY, s.e. MO & AR) of the subspecies.
PropagationDescription: Best propagated by unstratified seed sown in fall or stratified seed sown in spring.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
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Record Modified: 2007-01-01
Research By: TWC Staff