Home / Seed / Reed manna grass (Glyceria grandis) Reed manna grass (Glyceria grandis) Add to Wishlist Add to Wishlist SKU: Glyceria grandis-Seed Category: Seed Tag: Grass Category: SeedType: Grass Description Description Summer https://plants.usda.gov/core/profile?symbol=GLGR More Details Common Name Reed manna grass Height 3-5' Seeds Per Oz 80,000 Related products Purple Giant Hyssop (Agastache scrophulariifolia) Bearded beggarticks (Bidens aristosa) Partridge pea (Chamaecrista fasciculata) Tall bellflower (Campanulastrum americana)