Canadian Rush
Juncus canadensis
In the Carolinas and Georgia, found in lake, pond and stream margins, swamps, bogs, seepage slopes, wet meadows, ditches. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you
Native to Arkansas. How scores work Is it native here?
Profile 88%
- Height
- About 3.2 feet
- Light
- Partial sun, Full sun
- Soil moisture
- Moderate, High
Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source
Hidden from default planting suggestions. Wildlife value and native status remain unchanged.
At a glance
- Bloom
- July to October
- Fruiting season
- Summer to fall
Not yet recorded · Spread · Life cycle · Leaves
Recorded in 4 Arkansas counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Still water and its edges: ponds, lakes, millponds and reservoirs.
Streams, rivers and their banks
Flowing water and its banks, bars and rocky shoals.
Forested wetlands with standing water much of the year, such as cypress and gum swamps.
Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.
Open, wet, grassy or sedgy ground that is not a bog.
Roadsides, fields and disturbed ground
Ground opened by people: roadsides, old fields, pastures, fencerows and lots.
Who uses this plant?
4CaterpillarsGenus host records with ranges including AR
Genus host records with ranges including AR · Juncus
- Acronicta insularisHenry's Marsh Moth, Cattail Caterpillar
- Bactra furfuranaRush Bactra
- Bactra verutanaJavelin Moth
- Cisseps fulvicollisYellow-Collared Scape Moth
2BeesSoutheastern regional records
Southeastern regional records · Juncus
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
5BirdsRecorded genus food-resource interactions; not a state feeding claim
Recorded genus food-resource interactions; not a state feeding claim · Juncus
- Alectoris chukarChukar
- Anas acutaNorthern Pintail
- Coturnicops noveboracensisYellow Rail
- Lagopus leucuraWhite-tailed Ptarmigan
- Plectrophenax nivalisSnow Bunting
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
- Juncaceae
- Flower color
- Green
- Growth rate
- Rapid
- Growth habit
- Grows in clumps
- Foliage color
- Green
- Fruit begins
- Summer
- Fruit ends
- Fall
Growing sources and scope
- Bloom · “July to October” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition (ranked first; USDA PLANTS, Prairie Moon 2026 Cultural Guide differ) · Carolinas and Georgia
- Flower color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Foliage color · “Green” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit begins · “Summer” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Fruit ends · “Fall” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth habit · “Grows in clumps” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Growth rate · “Rapid” · USDA PLANTS · Nationwide species characteristics; local growing conditions may vary
- Height · “About 3.2 feet” · USDA PLANTS (ranked first; Prairie Moon 2026 Cultural Guide differs) · Nationwide species characteristics; local growing conditions may vary
- Light · “Partial sun (minimum requirement); Full sun (minimum requirement)” · Virginia DCR Piedmont (ranked first; Prairie Moon 2026 Cultural Guide differs) · Virginia regional planting chart; sunlight is a minimum requirement, moisture is low/moderate/high
- Soil · “Moderate; High” · Virginia DCR Piedmont (ranked first; Prairie Moon 2026 Cultural Guide differs) · Virginia regional planting chart; sunlight is a minimum requirement, moisture is low/moderate/high
Conservation status
| Arkansas rank | S1 |
|---|---|
| Global rank | G5 |
| AR 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 the Vascular Plants of Arkansas (2013)
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025)
- NatureServe Explorer
- Arkansas 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