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Eleocharis obtusa

Blunt Spike Rush

Eleocharis obtusa (Blunt Spike Rush)

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

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Spread
- Inches

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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

Wildlife Benefit

Food/Birds
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