Prairie Wedgescale

Sphenopholis obtusata (Michx.) Scribn.

Grass family

Plant Type
Graminoid
Life Cycle
Annual, Perennial
Mature Height
3.2 feet
Spread
12 inches
Flower Color
Green
Bloom Time
Spring

Growing Conditions

Light

Shade Tolerance Intermediate

Water

Water Use Medium
Drought Tolerance Low
Flood Tolerance Low

Soil

Soil Types Clay, Loam
CaCO3 Tolerance Medium
Fertility Need Medium

Stress Tolerance

Fire Tolerance None
Salt Tolerance None

Climate

pH Range 5.0 – 7.5
Frost-Free Days 80 days
Precipitation 10 – 60 in

Ecosystem & Wildlife

Pollinators Wind
Fall Color No
Evergreen No

Native Range

  • USA:  Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming
  • CAN:  Alberta, British Columbia, Manitoba, New Brunswick, Ontario, Saskatchewan
  • MEX:  Mexico Central, Mexico Northeast, Mexico Northwest, Mexico Southwest

Regional Native Status: L48 (N), HI (I), CAN (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.