Host an Event Volunteer Join Tickets

Support the plant database you love!


Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or you can choose a plant family:

Juncus interior

Juncus interior Wiegand

Inland Rush

Juncaceae (Rush Family)


USDA Symbol: juin2

USDA Native Status: L48 (N), CAN (N)

Densely or loosely clusters stems rise 1-2 ft. Basal leaves are linear and usually less than a third as long as the stem. The terminal seed head is loosely branched and bears small, greenish spikelets. Long narrow "leaves" subtend the seed head, extending above it.

A member of the family Juncaceae which includes herbs, rarely shrubs, with mostly grass-like leaves, usually in a basal tuft, and small greenish or brownish flower in dense spikes or heads or sometimes in loose clusters or even solitary.


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.
Leaf: Green

Bloom Information

Bloom Color: Green
Bloom Time: Apr , May , Jun


USA: AR , AZ , CO , IA , ID , IL , IN , KS , KY , LA , MN , MO , MS , MT , NC , ND , NE , NM , OH , OK , SD , TN , TX , UT , VA , WA , WI , WY
Canada: PE
Native Distribution: OH & MI to WA, s. to TX
Native Habitat: Prairies; sand plains; roadsides

Growing Conditions

Water Use: Medium
Light Requirement: Sun
Soil Moisture: Moist
CaCO3 Tolerance: Medium
Soil Description: Moist to dry, sandy soil.


Commercially Avail: yes

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Sibley Nature Center - Midland, TX
Nueces River Authority - Uvalde, TX

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Juncus interior in USDA Plants
FNA: Find Juncus interior in the Flora of North America (if available)
Google: Search Google for Juncus interior


Record Modified: 2023-02-15
Research By: TWC Staff

Go back