Eleocharis obtusa

Blunt Spike Rush

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This native forms dense tufts of smooth, upright, unbranched stems, to two feet in height. Flowers from June through August. Seedheads are brown, scaly and conical and provide food for waterfowl.

Additional Information:
Rhizominous roots fix nitrogen.

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Height
- Inches

Spread
- Inches

USDA Hardiness Zone 3-8

Home Owner Growing and Maintenance Tips:

Good Companions

Eastern Woodland Sedge (Carex blanda), Tussock Sedge (Carex stricta), Creeping Spike Rush (Eleocharis palustris), Small's Spike Rush (Eleocharis smallii), Soft Rush (Juncus effusus), Torrey's Rush (Juncus torreyi), Blue Flag (Iris versicolor), Southern Blue Flag (Iris virginica var. shrevei)

Characteristics & Attributes

Hydrologic Designation

•

OBL

Root

•

Rhizomes

Season of Interest

•	Late (July-frost)

Soil Moisture

•

High

Sun Exposure

•

Full Sun

USFS MO Ecological Map

•	Central Dissected Till Plain
•	Ozark Highlands
•	Osage Plains
•	Mississippi Aluvial Basin

Wildlife Benefit

•	Food/Birds