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Dudley's Rush

Juncus dudleyi

Found in calcareous seepages and fens, river-scours. FloraQuest, phone app (app page) What its natural habitat tells you

44
Good

Native to Alabama. How scores work Is it native here?

Profile 88%

Height
1.5–2.5 feet
Spread
1–1.5 feet
Light
Full sun
Soil moisture
Somewhat dry to moist

Space about 1 ft apart from its recorded spread, about 100 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

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
June to September

Not yet recorded · Life cycle · Leaves

Recorded in 8 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Seeps and springs

Places where groundwater keeps the soil or rock wet, such as seepage slopes and spring runs.

Mountain bogs and fens

Wet, open, peaty mountain wetlands fed by seepage, often with sphagnum moss.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

5CaterpillarsGenus host records with ranges including AL

Genus host records with ranges including AL · Juncus

  • Acronicta insularisHenry's Marsh Moth, Cattail Caterpillar
  • Bactra furfuranaRush Bactra
  • Bactra verutanaJavelin Moth
  • Cisseps fulvicollisYellow-Collared Scape Moth
  • Coleophora cratipennellaStreaked Coleophora
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
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
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

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

Growing and identification

Plant details

Family
Juncaceae
Hardiness
Zones 3–9
Growing sources and scope
  • Bloom · “June to September” · FloraQuest: Carolinas, Georgia (Southeastern Flora Team), phone app (app page) · Carolinas and Georgia
  • Hardiness · “Zones 3–9” · Missouri Botanical Garden Plant Finder
  • Height · “1.5–2.5 feet” · Missouri Botanical Garden Plant Finder (ranked first; Prairie Moon 2026 Cultural Guide differs)
  • Light · “Full sun” · Tennessee Smart Yards (ranked first; Prairie Moon 2026 Cultural Guide differs) · Published Tennessee growing guidance; exact cached scientific heading
  • Soil · “moderately wet to moderately 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 · “1–1.5 feet” · Missouri Botanical Garden Plant Finder
Also known as

Dudleys Rush

Conservation status

Alabama rankS1
Global rankG5
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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How to check your spot

Growing cautions

For planning only; these do not change the score or Fit.

Sources