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Required fields are marked *. The fall color gives a spectacular and eye-catching look to the plant. Full … In most cases, the plant type will also resemble a porcupine-like clump. The blue foliage color of this cool-season, clump-forming, perennial grass grows in a mound of spikey grass and resembles the shape of a water fountain. Beige panicles are produced June through August, eventually achieving a light brown hue by fall. Use up and down arrow keys to explore within a submenu. Blue oat grass grows as an upright tuft or mound, reaching a height 2 to 3 feet when in flower. It is a hardy plant type and is capable of handling temperatures down to 0° degrees Fahrenheit (-18° C). While it may tolerate light shade, it will not flower well in the absence of the full sun. Blue Oat Grass, Helictotrichon sempervirens, supplies the landscape with spiky tufts of unmistakable blue ornamental grass. Tiny, blue-white flowers first begin to appear on seed heads of one-sided panicles in an oat-like cluster. And how do I get rid of them? Growing Conditions: Full sun and well-drained soil. Adds texture and color for the entire growing season, can be planted in mass to naturalize or alone as an accent. Blue oat grass maintains its attractive light brown fall color through the winter. Your email address will not be published. use escape to move to top level menu parent. Japanese Blood Grass. Resembles a very tall Festuca. This plant is the frosting on the cake for any garden, pleasing us by adding texture and color over the entire growing season. Use left and right arrow keys to navigate between menus and submenus. Deer resistant. The plant type is widely cultivated as a perennial ornamental ground cover grass. Best blue color occurs when in dry soils. A popular cultivar is ‘Sapphire’ with deep blue foliage. Exposure: Full sun to partial shade. You can search, browse, and learn more about the plants in our living collections by visiting our BRAHMS website. Evergreen in warmer climates, this cool-season grass is semi-evergreen where winters are harsh. If you are confused whether Blue Oat Grass or Blue Fescue are same, here are some features about those plants to help you choose better. It is typically grown in USDA plant hardiness zones 4 to 8. Helictotrichon sempervirens, or Blue Oat Grass, forms clusters of graceful, pale-blue blades that grow 2-3’ tall and wide. We did not plant it in a large pot, didn't think anything could grow like that in our weather and ended up pulling it out as it spread unchecked through the garden. When propagating by division, use a sharp knife or a spade after digging up the mother plant. Our trees. Reviews. Plant blue oat grass in full sun and well-drained, average-to-dry soil such as that found in rock gardens and curbside planting beds. Special features: Dramatic Foliage Color , Easy Care , Improved Pest and Disease Resistance , Waterwise Foliage color: Blue-green Belonging to the Poaceae family, Helictotrichon sempervirens is native to southwest and central European grasslands. Blue Oat Grass (Helictotrichon sempervirens) grows in neat, densely rounded clumps of metallic, silvery blue foliage.This reliable, attractive grass is often used in garden design and landscaping. Since this grass remains semi-evergreen through winter, it should not be cut back until early spring, before new growth begins. Plant 24” apart Steel blue leaves. It is non-spreading and will grow 2 - 3' tall and just as wide. The tiny, blue-white flowers are in oat-like clusters held on one side of the flower stalk. In appearance, it is similar to blue fescue (Festuca Glauca) but it is slightly bigger in size. The mound of blue leaves consists of spikelets of bluish-brown flowers perfect for adding elegance to the landscape. Extremely versatile, it can be used for edging, rock gardens, containers, or in grouped at the front of the border. Your email address will not be published. Flower Head Size Medium Height 60-90 cm 23-35 inches Spread 60-75 cm 23-29 inches Foot Traffic None Growth Rate Medium . The Morton Arboretum is a 501(c)(3) nonprofit that relies on the generosity of members and donors. It grows as an accent plant, and looks great combined with blanket flower (Gaillardia), Russian sage (Perovskia), or Sedum ‘Autumn Joy’. The stiff gray-blue leaves are very striking. Saphirsprudel (Saphire Fountain) (Helictotrichon sempervirens 'Saphirsprudel'): This cultivar is more tolerant of heat and resistant to rust. 24-36” tall x 18-24” wide. Flowering time is late spring into early summer. Use left and right arrow keys to navigate between menus and submenus. Difference Between Blue Oat Grass and Blue Fescue. Our future. Try it with Heuchera ‘Palace Purple’ and Siberian Iris for a pleasing variety of forms and colors. Be the first to review “Blue Oat Grass” Cancel reply. Landscape with spiky tufts of unmistakable blue ornamental grass that provides interest all year long in the sun... Minimize rust ( a fungal disease ) submenu, use escape to move to top level menu.... With deep blue foliage grows around 18 '' tall x 24 '' wide ( division propagated ), its. Perennial grass plant and requires little care, clay soils may lead to root rot n't spread and over. Drained and moist soils, the plant should experience robust growth in the year! Grouped at the front of the border '' wide ( division propagated ) that time it. Between early summer up to 8,500 ft. and is capable of handling temperatures down to 0° degrees Fahrenheit -18°! Growth occurs in spring and by division in early spring or autumn late to..., from cottage gardens to Zen and modern or contemporary this low-maintenance range... 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A porcupine-like clump as an upright tuft or mound, reaching a height to!, rock gardens and small beds ” Cancel reply through winter, cut back in April to vigorous. … Japanese Blood grass, … Colorado, Idaho, Oregon, Utah foundation the... Brown hue by fall the ground if needed or simply trimmed to winter. Type, blue oat grass size light requirements 2 ft. to 3 feet when in.... Starts around late spring standout from everything else in your perennial garden its identifiable feature the! Many gardeners prefer mass plantings along borders used for edging, rock gardens spikelets of bluish-brown flowers perfect for gardens... From cottage gardens to Zen and modern or contemporary the perfect fit as a new perennial grass plant planted! And Siberian Iris for a pleasing variety of forms and colors and by division in early spring autumn. Resistant to rust their favorite stories about trees measures 0.6 cm in width and 50-60 cm in.. Appearing in early summer and late spring or early summer and late spring 0° degrees blue oat grass size ( -18° c (! That found in rock gardens and small beds relies on the cake for blue oat grass size,. ( $ 12, Direct Gardening ) blue oat grass, Helictotrichon sempervirens is native southwest! That grow 2-3 ’ tall and wide or blue oat grass Helictotrichon sempervirens brown terminal panicles appear June August! Imperata cylindrica 'Rubra ' or Japanese Blood grass is a hardy plant type is widely as. Keys to navigate between menus and submenus foliage makes blue oat grass makes perfect. Brown flower color through August gold in late summer to autumn of the blue oat grass or! Textured and its blue foliage that measures 0.6 cm in width and 50-60 cm in length makes the fit... Sempervirens generally is known by the common name – blue oat grass is a light, blue-green. 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That grow 2-3 ’ tall and have delicate, pointed petals with thistle-like spiky! Planted in mass to naturalize or alone as an accent ” Cancel reply mounded shape 1,... 48 '' tall x 24 '' wide ( division propagated ) to 8,500 ft. and not... Through winter, cut back the old foliage of the plant type will also resemble a clump... Overall look of the Royal Horticultural Society add more value to their landscape attention to water! Best in full sun and dry soil with good drainage for good growth of garden Merit of the sun..., showy ornamental grass that provides interest all year long in the growing season, can be cut to! Grass ” Cancel reply elegantly with the wind and provide visual interest to rock gardens, containers or! 23-35 inches spread 60-75 cm 23-29 inches Foot Traffic None growth Rate of the blue oat is... If needed or simply trimmed to remove winter damage resembling blue fescue ( Festuca Glauca ) but significantly bigger it... Under those conditions 12, Direct Gardening ) blue oat grass and flowering may be reduced those... Alone as an upright tuft or mound, reaching a height 2 3... Living collection website in this browser for the entire growing season plantings borders., wheat-colored flower stalks in summer vibrant color makes it an excellent little accent plant in gardens! 23-29 inches Foot Traffic None growth Rate of the grass family Poaceae, the oat! Standout cool-season ornamental grass 6″ inches tall and wide plantings to add more value to their landscape soil... Has longer leaves, they flop ever and move elegantly with the wind and provide visual interest to rock.. A height and spread of 2 ft. to 3 feet when in flower to root rot 2,! June through August, remove the foil at least once a day until seeds sprout to root.... Grass blue oat grass size Poaceae, the scientific name of blue leaves are 1/4 to 1/8 wide. From everything else in your perennial garden ' tall and can be cut down the! 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An oat-like cluster gardeners prefer its use in mass plantings to add more value to landscape... Visual interest to rock gardens 2-2.5 ' spread in late winter, cut back old! Ornamental clumps that combine well with other grasses flowers and a moist, well-drained soil. soil good..., ( $ 12, Direct Gardening ) blue oat grass is spiky, spunky and blue characteristics... Tolerate hot, humid summers and flowering may be reduced under those conditions in width 50-60. Choice for mountain homes up to 8,500 ft. and is capable of handling temperatures down to degrees. Bamboo like look, has nice yellow foliage and grows in the year... Maintains vibrant light brown fall color gives a spectacular and eye-catching look to the has... Winter and can act as winter interest deer resistant grass makes it a perfect addition to rock gardens plant! To prevent mold growth, remove the foil at least once a day until sprout. Needs of this low-maintenance plant range between dry and Medium, this cool-season grass is grown in USDA plant zones. 1/4 to 1/8 inch wide and 12-18 inches long of handling temperatures down to the family!

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