Quercus

Smooth Phlox

Phlox glaberrima

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

8CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Phlox

  • Helicoverpa zeaCorn Earworm Moth
  • Heliothis phloxiphagaSpotted Straw Sun Moth, Darker Spotted Straw Moth
  • Idia aemulaCommon Idia
  • Lacinipolia olivaceaOlive Arches, Olive Groundcat
  • Melanchra adjunctaHitched Arches
  • Papaipema nebrisStalk Borer
  • Pyrrhia exprimensPurple-Lined Sallow, Purple-Lined Sun Moth
  • Sparganothis xanthoidesMosaic Sparganothis
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
6BeesSoutheastern regional records
0Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Phlox

  • Centrocercus urophasianusGreater Sage-Grouse
  • Tympanuchus pallidicinctusLesser Prairie-Chicken
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
Flies 2
  • Scepsis fulvicollis
  • Syrphus americanus

Flower visits · Carlinville, Illinois, USA

Adult butterflies / moths 2
  • Anosia plexippus
  • Papilio asterias

Flower visits · Carlinville, Illinois, USA

No records yet · Ants · Beetles · Other wasps · Other insects

Growing and identification

Plant details

Family
Polemoniaceae
Hardiness
Zones 3a–8b
Soil pH
Acidic to neutral
Flower color
Pink, purple, red or white
Growth rate
Moderate
Growth habit
Single crown
Foliage color
Green
Fruit begins
Spring
Fruit ends
Summer

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Smooth Phlox

Conservation status

Kentucky rankS5
Global rankG5
KY statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources