American Bluehearts
Buchnera americana
Found in glades, barrens and outcrops on limestone; glades, barrens and outcrops on mafic or serpentine rock; prairies and grasslands; wet meadows; roadsides, fields and disturbed ground. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to Virginia. How scores work Is it native here?
Profile 88%
- Height
- Up to about 3 feet
- Light
- Partial shade, Full sun
- Soil moisture
- Dry to moist
No photograph yet. Looking for an old drawing…
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Life cycle
- Annual
- Bloom
- June to September
- Fruiting season
- August to October
Not yet recorded · Spread · Leaves
Recorded in 17 Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Glades, barrens and outcrops on limestone


Glades, barrens and outcrops on mafic or serpentine rock
Open, thin-soil openings, outcrops and cliffs on dark, magnesium- or iron-rich rock such as serpentine, diabase or gabbro.
Open, wet, grassy or sedgy ground that is not a bog.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 146 animals.
- Saltmarsh Sharp-tailed SparrowAmmodramus caudacutus
- Sandwich TernThalasseus sandvicensis
- Savannah SparrowPasserculus sandwichensis
- Seaside SparrowAmmodramus maritimus
- Semipalmated PloverCharadrius semipalmatus
- Short-eared OwlAsio flammeus
- Snow GooseChen caerulescens
- Snowy EgretEgretta thula
- Song SparrowMelospiza melodia
- SoraPorzana carolina
- Spotted SandpiperActitis macularius
- Swamp SparrowMelospiza georgiana
- Tricolored HeronEgretta tricolor
- Tufted TitmouseBaeolophus bicolor
- Tundra SwanCygnus columbianus
- Virginia RailRallus limicola
- Western SandpiperCalidris mauri
- White-breasted NuthatchSitta carolinensis
- White-eyed VireoVireo griseus
- White-winged CrossbillLoxia leucoptera
- Wild TurkeyMeleagris gallopavo
- Wilson's PloverCharadrius wilsonia
- Yellow RailCoturnicops noveboracensis
- Yellow-billed CuckooCoccyzus americanus
Who uses this plant?
1CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Buchnera
- Junonia coeniaCommon Buckeye
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Orobanchaceae
- Flower color
- White, pink or purple
- Fruit begins
- August
- Fruit ends
- October
Growing sources and scope
- Bloom · “June to September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “White, pink or purple” · Lady Bird Johnson Wildflower Center
- Fruit begins · “August” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Height · “Up to about 3 feet” · Lady Bird Johnson Wildflower Center
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Soil · “Dry; Moist (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Also known as
Prairie Blue Hearts
Conservation status
| Virginia rank | S1S2 |
|---|---|
| Global rank | G5? |
| VA status | Not verified |
| Federal status | Not verified |
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)
- Weakley, Flora of the Southeastern United States (2025)
- 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
























