Canadian Clearweed
Pilea pumila
Found in swamp forests, bottomlands, freshwater marshes, tidal marshes, disturbed wet ground. FloraQuest, phone app (app page) What its natural habitat tells you
Native to Florida. 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
Bloom: recorded only in the FloraQuest: Carolinas, Georgia (Southeastern Flora Team) phone app (app page).
Spread and leaves: no source found yet.
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 14 Florida counties.
Natural habitats
Places it grows wild. Not a planting requirement.


Habitats
Swamps; floodplain and bottomland forests; freshwater marshes; Coastal tidal marshes (salinity not stated).
Each habitat page lists the plants and wildlife also found there. All habitats
Who uses this plant?
3CaterpillarsGenus host records with ranges including FL
Genus host records with ranges including FL · Pilea
- Cosmopterix pulchrimellaBeautiful Cosmopterix Moth, Chamber's Cosmopterix
- Spodoptera eridaniaSouthern Armyworm Moth
- 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” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
- Fruit ends · “November” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · 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
| Florida rank | S4? |
|---|---|
| Global rank | G5 |
| FL 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
- Atlas of Florida Plants
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- FloraQuest: Florida (Weakley), phone app (app page)
- 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

