Graceful fountains of silver-blue blades form neat ornamental clumps that combine well with other grasses. It also has demonstrated a greater resistance to the rust fungus. 3 gallon Potted SKU: 1415 (2.90 gallons / 11.0 liters) (0 units available now) Standard Package Unbranded. Helictotrichon sempervirens, commonly called blue oat grass, is a clump-forming, cool season, ornamental grass which typically grows 2-3' tall (foliage clump to 2' and flower stem brings total height to 3') with a similar spread.Features very narrow (3/8" wide), spiky, steel blue leaf blades (to 18") which form a rounded, porcupine-like clump. In early Summer, small, tan seed heads appear on tall stems held above the foliage. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect. Blue Oat Grass Helictotrichon sempervirens. Noteworthy Characteristics. ‘Sapphire’ is also known by its German name, ‘Saphirsprudel’, or by another translation, ‘Sapphire Fountain’—all are the same plant. This Blue Oat Grass cultivar is reported to have … A reliable and attractive accent or specimen, perfect for rock gardens. Browse pictures and read growth / cultivation information about Blue Oat Grass (Helictotrichon sempervirens) 'Sapphire' supplied by member gardeners in the PlantFiles database at Dave's Garden. Similar to the species, but has brighter, steel blue leaves. 'Sapphire' is similar to Helictotrichon sempervirens, but has brighter, steel blue leaves which tend to widen as they mature. This is a relatively low maintenance plant, and is best cut back to the ground in … Airy, beige to light brown, terminal panicles appear mid- to late summer. Plant the 'Sapphire' selection of Blue Oat Grass in any average, draining soil. Plant it in a rock garden and enjoy the soft blue hue among the browns and grays. Handsome, good textural and color contrast in full sun siting. Add this elegant, ornamental specimen to a cottage garden to offer a cool contrast to warm green foliage and bright blossoms. It is a strong clumping grass that mimics the shape of a large, upside down shaving brush. Prefers full sun and well-drained locations and can be grown in containers. Blue Oat grass looks like a miniature water fountain, with its densely packed leaves gently spraying upward and arching back downward at the tips. $55.00 Get Notified SOLD OUT . Helictotrichon sempervirens (Blue Oat Grass) - A cool season evergreen clump-forming grass that grows to 2 feet tall by up to 3 feet wide with blue-gray leaves radiating out like a bristly porcupine. Belonging to the grass family Poaceae, the scientific name of blue oat grass is Helictotrichon sempervirens.Its identifiable feature is the blue foliage that measures 0.6 cm in width and 50-60 cm in length. ‘Sapphire’ is an great addition to any ‘hot’ area in need of ‘cooling off’. Sku #3997. Sapphire Blue Oat Grass is an herbaceous evergreen perennial grass with a mounded form. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect. 'Sapphire Fountain' and 'Saphirsprudel') – is a virtually evergreen grass with alluring bright blue color. Helictotrichon sempervirens Sapphire Fountain. $75.00 Get … Sapphire Blue Oat Grass is an herbaceous evergreen perennial grass with a mounded form. This is a relatively low maintenance plant, and is best cleaned up in … Blue oat grass boasts one of nature’s most elusive plant colors along with panicles of brownish spikelets in fall that reach far above the foliage. 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