A choice plant for edging, or in the rock garden. If the tips of the leaves get wind-burned over the winter, they may be trimmed with scissors in the spring. Clumps may be divided in early spring, every 3 to 4 years. Hardy to zone 5. This 'rush', or grass-like plant was recently introduced by the University of British Columbia Botanical Gardens, and is a vast improvement on the older varieties of Spiral Rush.
Leaves are round and stem-like, with a unique corkscrew spiral all the way up to the tip.
This selection is tall and sturdy, with a deep green colour and evergreen habit in mild-winter regions. Unicorn' is a superb choice for beside a pond or stream, as a marginal water garden plant, or in any damp sunny area. Great foliage for cut flower arranging. Stems may be trimmed back hard in spring. Hardy to zone 4.