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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.

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Juncus arcticus ssp. littoralis

Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén

Baltic Rush

Juncaceae (Rush Family)

Synonym(s): Juncus arcticus ssp. ater, Juncus arcticus ssp. balticus, Juncus arcticus var. balticus, Juncus arcticus var. littoralis, Juncus arcticus var. montanus, Juncus ater, Juncus balticus, Juncus balticus var. balticus, Juncus balticus var. littoralis, Juncus balticus var. melanogenus, Juncus balticus var. montanus, Juncus balticus var. stenocarpus, Juncus balticus var. vallicola


USDA Native Status: L48 (N), AK (N), CAN (N), GL (N), SPM (N)

Great Lakes coastal species; forms dense colonies from dark green stems that spreads. Stems, rising from a rhizome, often form a line like a fence. (Ontario Native Plants 2002)

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 3 feet tall.
Leaf: Green

Bloom Information

Bloom Color: Brown
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep


USA: AK , AR , AZ , CA , CO , IA , ID , IL , IN , KS , MA , MD , ME , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SD , TX , UT , VA , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , PE , QC , SK , YT

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: Low

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:

Santa Barbara Botanic Garden - Santa Barbara, CA

Web Reference

Webref 30 - Calflora (2018) Calflora
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 arcticus ssp. littoralis in USDA Plants
FNA: Find Juncus arcticus ssp. littoralis in the Flora of North America (if available)
Google: Search Google for Juncus arcticus ssp. littoralis


Record Modified: 2023-06-06
Research By: TWC Staff

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