Spiny Amaranth

Amaranthus spinosus

Spiny Amaranth

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Amaranthaceae
Genus:
Amaranthus
Species:
Amaranthus spinosus

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul, oct
Bloom Colors:
green

Native Range

United States: Alabama, Arkansas, California, Connecticut, District of Columbia, Delaware, Florida, Georgia, Guam, Hawaii, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Puerto Rico, Palau, Rhode Island, South Carolina, Tennessee, Texas, U.S. Minor Outlying Islands, Virginia, Virgin Islands, Vermont, Wisconsin, West Virginia, Canada: Manitoba, Ontario

Host Plant for Caterpillars

Salt Marsh Moth (Estigmene acrea), Southern armyworm (Spodoptera eridania), Yellow-striped armyworm (Spodoptera ornithogalli)

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed soils and open areas