Outsidepride Pink Muhly Ornamental Grass Plant Seeds - 100 seeds Pink muhly grass is a perennial ornamental grass grown in USDA zones 5 - 9 This beautiful pink muhly reaches 36 inches in height. Muhlenbergia Capillaris is one of the most popular ornamental grass seeds we sell. Each seed packet comes with planting directions so order your muhly grass seeds today. Sow 2 - 3 seeds for every ornamental grass plant you desire.