knotted rush
Juncus nodosus
USDA zones3 to 8
SunNeeds full sun (6+ hours)
WaterHandles moderate or wet soil
Sizeup to 24 inches tall
- Habit
- Grass/grass-like
- Bloom season
- Spring, summer, autumn
- Bloom color
- Green
- Foliage color
- Dark green
Notes
Knotted rush (Juncus nodosus) is a grass for wet sites, pond edges, and rain gardens. It is hardy to USDA zone 3, or down to -40°F (-40°C). This plant likes full sun and average to wet soil. It forms a basal tuft of dark green, grass-like leaves that reach up to 24 inches tall. Small green flowers appear in dense heads in late spring, summer, and autumn.
Pairs well with Sensitive fern, Cinnamon fern, Blazing star, and Coyote willow.
Native range
AK, CA, CO, CT, and 33 more places. See all 37
AK, CA, CO, CT, DE, IA, ID, IL, IN, MA, ME, MI, MN, MO, MT, ND, NE, NH, NJ, NM, NV, NY, OH, OR, PA, RI, SD, TX, UT, VA, VT, WA, WI, WV, WY; NB, NS, and PE.