Trifolium hybridum Cool season legume cover crop. Perennial legume from Sweden. Short-lived (3-5 years) and often treated as a biennial. Can be used for green manure, pasture, and hay. Excellent nectar source for bees. Very cold hardy and thrives with abundant moisture. Grows on poorly drained soils. Tolerates temperatures below 0°F. Not appropriate for southern U.S. Grows to 18. Plant at 15-20 lb/acre or 0.5-2 lbs/1000 sq ft. Raw seed, requires Alfalfa-Clover inoculant.