Grown By North Creek Nurseries.  Mid-Atlantic Native Eco-Type.  Landscape ready plugs. 
32 plants per flat.
 
Carex amphibola info from Missouri Botanical Garden
Common Name: Creek Sedge
Type: Ornamental grass
Family: Sedge
Native Range: native
Zone: 3a+ (USDA minimum)
Height: 12 inches (16 inches with the flowers)
Spread: 16 inches
Bloom Time: from late spring to early summer
Bloom Description: Green hop
Sun: partial shade to shade
Water: average to wet
Maintenance: 
Suggested Use: Massing, Edging, Garden, Groundcover, Container, Bog
Flower: Moderate
Attracts: 
Fruit: 
Tolerate: Pollution (medium), Soil type (rich), Soil pH (acidic)