Juncus effusus 'Spiralis Nana' / Dwarf Corkscrew Rush

Smaller thinner, clumps of tubular, dark green ringlets, needle-like foliage. Small, seed-like flowers, self seeds. Evergreen in milder climates. Bare root. 

Height: 1'
Hardiness: USDA Zone 4
Exposure: Full / Part Sun