Roan Mountain Bluet
Houstonia montana
Found in cliffs, ledges and rocky summits; mountain balds. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 88%
- Height
- Up to about 6 inches
- Light
- Partial shade, Full sun
- Soil moisture
- Dry
No photograph yet. Looking for an old drawing…
Federally endangered. Excluded from routine garden suggestions. Consult conservation guidance before obtaining or planting this species. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Life cycle
- Perennial
- Bloom
- June to July
- Fruiting season
- July to August
Not yet recorded · Spread · Leaves
Recorded in 1 Virginia county.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Cliffs, ledges and rocky summits
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 39 animals.
- American GoldfinchCarduelis tristis
- American KestrelFalco sparverius
- American RobinTurdus migratorius
- Blue GrosbeakPasserina caerulea
- BobolinkDolichonyx oryzivorus
- Canada GooseBranta canadensis
- Chimney SwiftChaetura pelagica
- Chipping SparrowSpizella passerina
- Common NighthawkChordeiles minor
- Common RavenCorvus corax
- Cooper's HawkAccipiter cooperii
- Dark-eyed JuncoJunco hyemalis
- Eastern KingbirdTyrannus tyrannus
- European StarlingSturnus vulgaris
- Golden EagleAquila chrysaetos
- Great Horned OwlBubo virginianus
- Horned LarkEremophila alpestris
- Indigo BuntingPasserina cyanea
- KilldeerCharadrius vociferus
- Loggerhead ShrikeLanius ludovicianus
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Northern Rough-winged SwallowStelgidopteryx serripennis
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Who uses this plant?
1CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Houstonia
- Thyris maculataSpotted Thyris
13BeesSoutheastern regional records
Southeastern regional records · Houstonia
Individual names are not available yet.
Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
1Specialist beesPollen specialists
Pollen specialists · Houstonia
- Perdita pedernalensis
—BirdsRecorded genus food-resource interactions; not a state feeding claimNo records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Rubiaceae
- Flower color
- White or pink
- Fruit begins
- July
- Fruit ends
- August
Growing sources and scope
- Bloom · “June to July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Flower color · “White or pink” · Lady Bird Johnson Wildflower Center
- Fruit begins · “July” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Fruit ends · “August” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Height · “Up to about 6 inches” · Lady Bird Johnson Wildflower Center
- Life cycle · “Perennial” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Soil · “Dry (documented habitat)” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
Also known as
Houstonia purpurea var. montana; Roan Mountain Bluets
Conservation status
| Virginia rank | S1 |
|---|---|
| Global rank | G5T2 [G2] |
| VA status | Not verified |
| Federal status | Endangered (US Fish and Wildlife Service) |
Conservation source Global rank source Federal status source: US Fish and Wildlife Service
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- Virginia DCR Natural Heritage rare plant list
- Digital Atlas of the Virginia Flora
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Carolinas, Georgia (Weakley), phone app (app page)
- FloraQuest: South Central (Weakley), phone app (app page)
- FloraQuest: Northern Tier (Weakley), phone app (app page)
- NatureServe Explorer
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications