White-flowered Leafcup
Polymnia canadensis
Found in moist forests, particularly over calcareous rocks. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you
Native to West Virginia. How scores work Is it native here?
Profile 94%
- Height
- 2–4 feet
- Spread
- 2–3 feet
- Light
- Part to full shade
- Soil moisture
- Dry to moist
Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count
Will it fit your yard?
At a glance
- Life cycle
- Perennial
- Bloom
- July to October
Not yet recorded · Leaves
Recorded in 11 West Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Forests on moist but not wet ground, such as rich slopes and ravines.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 116 animals.
- Pileated WoodpeckerDryocopus pileatus
- Pine SiskinCarduelis pinus
- Purple FinchCarpodacus purpureus
- Red-breasted NuthatchSitta canadensis
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Rose-breasted GrosbeakPheucticus ludovicianus
- Ruby-crowned KingletRegulus calendula
- Ruffed GrouseBonasa umbellus
- Spotted SandpiperActitis macularius
- Tufted TitmouseBaeolophus bicolor
- VeeryCatharus fuscescens
- White-breasted NuthatchSitta carolinensis
- White-throated SparrowZonotrichia albicollis
- Wild TurkeyMeleagris gallopavo
- Worm-eating WarblerHelmitheros vermivorum
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-billed CuckooCoccyzus americanus
- Yellow-breasted ChatIcteria virens
- Yellow-rumped WarblerDendroica coronata
- Alder FlycatcherEmpidonax alnorum
- American WoodcockScolopax minor
- Black-billed CuckooCoccyzus erythropthalmus
- Black-throated Green WarblerDendroica virens
- Blackburnian WarblerDendroica fusca
Who uses this plant?
0CaterpillarsGenus host records with ranges including WV
2BeesSoutheastern regional records
Southeastern regional records · Polymnia
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
0Specialist beesPollen specialists
—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
- Asteraceae
- Hardiness
- Zones 4–7
- Flower color
- White
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Bloom · “July to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; Prairie Moon 2026 Cultural Guide differs) · Carolinas and Georgia
- Flower color · “White” · Prairie Moon 2026 Cultural Guide · Nursery cultural guide; height in flower; moisture categories retained as printed
- Hardiness · “Zones 4–7” · Missouri Botanical Garden Plant Finder
- Height · “2–4 feet” · Tennessee Smart Yards (ranked first; Minnesota Wildflowers, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Life cycle · “Perennial” · Minnesota Wildflowers
- Light · “Part to full shade” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- primary_flower_color · “white” · Prairie Moon 2026 Cultural Guide
- Soil · “moderately wet to dry” · Tennessee Smart Yards (ranked first; Missouri Botanical Garden Plant Finder, Prairie Moon 2026 Cultural Guide differ) · Published Tennessee growing guidance; exact cached scientific heading
- Spread · “2–3 feet” · Missouri Botanical Garden Plant Finder
Also known as
Canada Leaf Cup; White Flower Leafpup; White flowered Leafcup
Conservation status
| West Virginia rank | S5 |
|---|---|
| Global rank | G5 |
| WV 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.
Growing cautions
- Self-seeds. May self-seed in optimum growing conditions. Tennessee Smart Yards
For planning only; these do not change the score or Fit.
Sources
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- West Virginia occurrence source
- 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