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Ornamental grasses for Minnesota. Features of ornamental grasses. Few insect of disease problems Require little or no supplemental fertilizer Little maintenance except spring cut-back More than one season of interest Fast growing Wide variation in texture, height and foliage color
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Features of ornamental grasses • Few insect of disease problems • Require little or no supplemental fertilizer • Little maintenance except spring cut-back • More than one season of interest • Fast growing • Wide variation in texture, height and foliage color • Movement: audio and visual
Misconceptions about ornamental grasses • Lack of cold hardiness | many different kinds are hardy in USDA Zone 4 • Invasive roots make these plants difficult to contain | 95% are bunch grasses and form dense clumps
Grasses with invasive rhizomes • Miscanthus sacchariflorus – miscanthus • Leymus (Elymus) – blue rye • Phalaris – ribbon grass • Spartina – prairie cordgrass