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Phlox glaberrima ssp. interior
Phlox glaberrima L. ssp. interior (Wherry) Wherry
Marsh phlox, Smooth phlox
Synonym(s): Phlox glaberrima var. interior
USDA Symbol: PHGLI
USDA Native Status: L48 (N)
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
, WI Native Distribution:
S.e. WI, IL
& n.w. OH,
s. to n.e. MO
& KY Native Habitat:
Wet woods; thickets
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,
& 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
Record Last Modified: 2007-01-01
Research By: TWC Staff