Quercus

Summer Bluet

Houstonia purpurea

Native to Kentucky (estimated)

Ecological relationships

Who uses this plant?

1CaterpillarsGenus host records with ranges including KY

Genus host records with ranges including KY · Houstonia

  • Thyris maculataSpotted Thyris
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
13BeesSoutheastern regional records
1Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Rubiaceae
Hardiness
Zones 3a–8b
Soil pH
Acidic to neutral
Flower color
Blue, pink, purple or white

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

Growing sources and scope
Also known as

Mountain Bluets; Summer Bluets; Venus Pride

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