These seeds were collected from Juncus decipiens Curly Wurly, also known as Corkscrew Rush. This miniture ornamental grass likes to live in light shade where it grows about a foot high. Juncus in general are larval host plants for the Coleophora glaucicolella, and Coleophora quadrilineella moths. USDA Hardiness Zones 4 to 10.