Smooth Crabgrass

Digitaria ischaemum

Smooth Crabgrass

Ayotte, Gilles, 1948-

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Digitaria
Species:
Digitaria ischaemum

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Graminoid
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun, jul, aug, sep, oct, nov

Native Range

United States: Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Virgin Islands, Vermont, Washington, Wisconsin, West Virginia, Wyoming, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Prince Edward Island, Quebec, Saskatchewan

Host Plant for Caterpillars

corn earworm (Helicoverpa zea), Fall armyworm (Spodoptera frugiperda), Green Cloverworm Moth (Hypena scabra), Southern armyworm (Spodoptera eridania), Thioptera nigrofimbria

Soil Requirements

Soil Type:
poor, sandy, well-drained soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in disturbed areas