Bloom: early to mid-summer
Habitats: edges of marshes; gravelly areas along roads and railroads; mined lands; muddy borders along puddles; pastures; poorly drained fields; sterile waste areas; vacant lots with compacted soil
Lifespan: perennial
Moisture: wet to dry-mesic
Plant type (height): grass (1 to 2 feet)
Requirements: full sun
Soil: gravelly; muddy