Stiff Aster
Ionactis linariifolia
Found in pine savannas; sandhills; pine flatwoods; cliffs, ledges and rocky summits; roadsides, fields and disturbed ground; forest edges and thickets; forests and woodlands. 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 100%
- Height
- 1–2 feet
- Spread
- 6 inches–1 foot
- Light
- Full sun, Partial shade
- Soil moisture
- Dry to average
Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Leaves
- Deciduous
- Bloom
- July to November
Recorded in 72 Virginia counties.
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


Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Forest or woodland where the source does not say how moist or dry.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in Virginia. Shared habitat, not food. 79 animals.
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Orange-crowned WarblerVermivora celata
- Orchard OrioleIcterus spurius
- OspreyPandion haliaetus
- Pileated WoodpeckerDryocopus pileatus
- Pine SiskinCarduelis pinus
- Pine WarblerDendroica pinus
- Prairie WarblerDendroica discolor
- Purple FinchCarpodacus purpureus
- Red-bellied WoodpeckerMelanerpes carolinus
- Red-cockaded WoodpeckerPicoides borealis
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Red-tailed HawkButeo jamaicensis
- Red-winged BlackbirdAgelaius phoeniceus
- Ruby-crowned KingletRegulus calendula
- Ruby-throated HummingbirdArchilochus colubris
- Sharp-shinned HawkAccipiter striatus
- Spotted SandpiperActitis macularius
- Tufted TitmouseBaeolophus bicolor
- Turkey VultureCathartes aura
- White-crowned SparrowZonotrichia leucophrys
- White-eyed VireoVireo griseus
Who uses this plant?
1CaterpillarsGenus host records with ranges including VA
Genus host records with ranges including VA · Ionactis
- Schinia septentrionalisNorthern Flower Moth
54BeesSoutheastern regional records
Southeastern regional records · Aster
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
25Specialist beesPollen specialists
Pollen specialists · Aster
- Andrena asteris
- Andrena braccata
- Andrena chromotricha
- Andrena fulvipennis
- Andrena hirticincta
- Andrena nubecula
- Andrena placata
- Andrena simplex
- Ashmeadiella bucconis
- Colletes americanus
Show all 25
- Colletes compactus
- Colletes speculiferus
- Dianthidium curvatum
- Melissodes denticulatus
- Melissodes dentiventris
- Melissodes druriellus
- Melissodes illatus
- Melissodes niveus
- Melissodes subillatus
- Melissodes trinodis
- Melissodes wheeleri
- Paranthidium jugatorium
- Perdita octomaculata
- Protandrena citripes
- Protandrena compositarum
3BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Aster
- Alectoris chukarChukar
- Bonasa umbellusRuffed Grouse
- Centrocercus urophasianusGreater Sage-Grouse
Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Asteraceae
- Hardiness
- Zones 4a–9b
- Soil pH
- Acidic
- 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
- Bloom · “July to November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Flower color · “Blue, pink, purple or white” · NC Extension Plant Toolbox
- Hardiness · “Zones 4a–9b” · NC Extension Plant Toolbox
- Height · “1–2 feet” · NC Extension Plant Toolbox
- Leaves · “Deciduous” · NC Extension Plant Toolbox
- Life cycle · “Perennial” · NC Extension Plant Toolbox
- Light · “Full sun (6 or more hours of direct sunlight a day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox
- Soil · “Occasionally dry” · NC Extension Plant Toolbox
- Soil pH · “Acidic” · NC Extension Plant Toolbox
- Spread · “6 inches–1 foot” · NC Extension Plant Toolbox
Also known as
Ankle Aster; Aster linariifolius; Ionactis linariifolius; Stiff Leaf Aster; aster
Conservation status
| Virginia rank | S5 |
|---|---|
| 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
- Digital Atlas of the Virginia Flora
- 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

























