White-flowered Leafcup
Polymnia canadensis
Found in moist forests, particularly over calcareous rocks. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Native to Alabama. 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 14 Alabama 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 Alabama. Shared habitat, not food. 79 animals.
- Northern CardinalCardinalis cardinalis
- Northern FlickerColaptes auratus
- Northern MockingbirdMimus polyglottos
- Northern Rough-winged SwallowStelgidopteryx serripennis
- Orchard OrioleIcterus spurius
- OspreyPandion haliaetus
- Pileated WoodpeckerDryocopus pileatus
- Pine SiskinCarduelis pinus
- Prairie WarblerDendroica discolor
- Purple FinchCarpodacus purpureus
- Red-bellied WoodpeckerMelanerpes carolinus
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Red-tailed HawkButeo jamaicensis
- Red-winged BlackbirdAgelaius phoeniceus
- Rose-breasted GrosbeakPheucticus ludovicianus
- Ruby-crowned KingletRegulus calendula
- Ruby-throated HummingbirdArchilochus colubris
- Ruffed GrouseBonasa umbellus
- Sharp-shinned HawkAccipiter striatus
- Spotted SandpiperActitis macularius
- Summer TanagerPiranga rubra
- Tree SwallowTachycineta bicolor
- Tufted TitmouseBaeolophus bicolor
- Turkey VultureCathartes aura
Who uses this plant?
0CaterpillarsGenus host records with ranges including AL
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
| Alabama rank | SNR |
|---|---|
| Global rank | G5 |
| AL 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
- Alabama Plant Atlas
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- 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