Canadian Clearweed
Pilea pumila
Found in swamp forests, bottomlands, freshwater marshes, tidal marshes, disturbed wet ground. 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 82%
- Height
- 4–20 inches
- Light
- Dappled sunlight, Partial shade
- Soil moisture
- Usually moist
No photograph yet. Looking for an old drawing…
At a glance
- Life cycle
- Annual
- Fruiting season
- September to November
Not yet recorded · Spread · Leaves · Bloom
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 20 West Virginia counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Floodplain and bottomland forests
Forests on low ground beside rivers and streams that flood from time to time.
Open, herb-covered wetlands with fresh, non-tidal water.
Also found with this plant
Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 82 animals.
- MallardAnas platyrhynchos
- Northern ParulaParula americana
- Northern Saw-whet OwlAegolius acadicus
- Pine SiskinCarduelis pinus
- Prothonotary WarblerProtonotaria citrea
- Red-breasted NuthatchSitta canadensis
- Red-headed WoodpeckerMelanerpes erythrocephalus
- Ring-necked DuckAythya collaris
- Ruffed GrouseBonasa umbellus
- Rusty BlackbirdEuphagus carolinus
- Song SparrowMelospiza melodia
- Tree SwallowTachycineta bicolor
- White-breasted NuthatchSitta carolinensis
- Willow FlycatcherEmpidonax traillii
- Wilson's SnipeGallinago delicata
- Wood DuckAix sponsa
- Wood ThrushHylocichla mustelina
- Yellow-bellied SapsuckerSphyrapicus varius
- Yellow-billed CuckooCoccyzus americanus
- Yellow-crowned Night-heronNyctanassa violacea
- American CootFulica americana
- American WoodcockScolopax minor
- Bald EagleHaliaeetus leucocephalus
- Baltimore OrioleIcterus galbula
Widespread birds also seen here (45)
Found in many habitats here, so not listed above.
- Alder Flycatcher
- American Crow
- American Goldfinch
- American Kestrel
- American Redstart
- American Robin
- Belted Kingfisher
- Black-billed Cuckoo
- Blue Grosbeak
- Blue Jay
- Blue-gray Gnatcatcher
- Cedar Waxwing
- Chimney Swift
- Chipping Sparrow
- Common Nighthawk
- Common Raven
- Common Yellowthroat
- Cooper's Hawk
- Eastern Kingbird
- Eastern Towhee
- European Starling
- Gray Catbird
- Great Crested Flycatcher
- Great Horned Owl
- Least Flycatcher
- Mourning Dove
- Northern Cardinal
- Northern Flicker
- Northern Mockingbird
- Olive-sided Flycatcher
- Orange-crowned Warbler
- Osprey
- Purple Finch
- Red-tailed Hawk
- Red-winged Blackbird
- Ruby-crowned Kinglet
- Sharp-shinned Hawk
- Spotted Sandpiper
- Tufted Titmouse
- Turkey Vulture
- Veery
- White-throated Sparrow
- Wild Turkey
- Yellow-breasted Chat
- Yellow-rumped Warbler
Who uses this plant?
3CaterpillarsGenus host records with ranges including WV
Genus host records with ranges including WV · Pilea
- Cosmopterix pulchrimellaBeautiful Cosmopterix Moth, Chamber's Cosmopterix
- Heterophleps refusariaThree-Patch Bigwing
- Spodoptera ornithogalliYellow-Striped Armyworm Moth, Cotton Cutworm
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Urticaceae
- Hardiness
- Zones 3a–10b
- Soil pH
- Acidic to alkaline
- Flower color
- Yellow, green or white
- Fruit begins
- September
- Fruit ends
- November
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “Yellow, green or white” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Fruit begins · “September” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “November” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Hardiness · “Zones 3a–10b” · NC Extension Plant Toolbox
- Height · “4–20 inches” · Minnesota Wildflowers
- Life cycle · “Annual” · NC Extension Plant Toolbox
- Light · “Dappled sunlight (shade through upper canopy all day); Partial shade (direct sunlight only part of the day, 2-6 hours)” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Soil · “Moist; Occasionally wet” · NC Extension Plant Toolbox (ranked first; Lady Bird Johnson Wildflower Center differs)
- Soil pH · “Acidic to alkaline” · NC Extension Plant Toolbox
Also known as
Clearweed
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.
Sources
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- 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
























