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. 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. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect. ‘Sapphire’ is also known by its German name, ‘Saphirsprudel’, or by another translation, ‘Sapphire Fountain’—all are the same plant. Sapphire Blue Oat Grass is an herbaceous evergreen perennial grass with a mounded form. Noteworthy Characteristics. $55.00 Get Notified SOLD OUT . Blue Oat grass looks like a miniature water fountain, with its densely packed leaves gently spraying upward and arching back downward at the tips. Airy, beige to light brown, terminal panicles appear mid- to late summer. Similar to the species, but has brighter, steel blue leaves. Helictotrichon sempervirens Sapphire Fountain. 'Sapphire Fountain' and 'Saphirsprudel') – is a virtually evergreen grass with alluring bright blue color. Handsome, good textural and color contrast in full sun siting. $75.00 Get … ‘Sapphire’ is an great addition to any ‘hot’ area in need of ‘cooling off’. Plant the 'Sapphire' selection of Blue Oat Grass in any average, draining soil. It also has demonstrated a greater resistance to the rust fungus. 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. 3 gallon Potted SKU: 1415 (2.90 gallons / 11.0 liters) (0 units available now) Standard Package Unbranded. Add this elegant, ornamental specimen to a cottage garden to offer a cool contrast to warm green foliage and bright blossoms. Plant it in a rock garden and enjoy the soft blue hue among the browns and grays. tending to widen as they mature. Purchase SAPPHIRE BLUE OAT GRASS Online 2 gallon Potted SKU: 7636 (1.87 gallons / 7.09 liters) (0 units available now) Standard Package Unbranded. In early Summer, small, tan seed heads appear on tall stems held above the foliage. Sku #3997. A reliable and attractive accent or specimen, perfect for rock gardens. 'Sapphire' is similar to Helictotrichon sempervirens, but has brighter, steel blue leaves which tend to widen as they mature. Prefers full sun and well-drained locations and can be grown in containers. It is a strong clumping grass that mimics the shape of a large, upside down shaving brush. Its flowering period starts around late spring or early summer. 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. Blue Oat Grass Helictotrichon sempervirens. 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. This is a relatively low maintenance plant, and is best cleaned up in … This is a relatively low maintenance plant, and is best cut back to the ground in … 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. 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