‘Sapphire’ Blue Oat Grass is a standout cool-season ornamental grass. 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. They are tan when mature. Very nice habit. Blue Oat Grass, botanical name Helictotrichon sempervirens, is suited to USDA zones 4-9, with full sun. 1 Gallon, 2 Gallon, 3 Gallon, 5 Gallon. From afar, its large clumps and projected flowers are commanding and regal, but up close they bend and sway in a soft way, with long blue-gray blades radiating out from the center. It suits nearly any garden style, from cottage gardens to Zen and modern or contemporary. Its petite size and vibrant color makes it an excellent little accent plant in rock gardens and small beds. Zones: 4-8. Evergreen. Mature size: 2-3' tall and 2-2.5' spread . The plant also has multiple options of use: you may use it as a single accent plant; try it in a container, or grow it in masses. A popular cultivar is ‘Sapphire’ with deep blue foliage. Popular in public landscapes and home gardens, this commonly used ornamental grass is grown … In late winter, cut back the old foliage of the clump-forming grass to 3″-4″ before new growth begins to emerge. They remain blue all year. They provide the foundation for the ornamental 4' tall flower spikes that shoot up and ripen to a soft brown by midsummer. The flowers are around 4″ to 6″ inches tall and have delicate, pointed petals with thistle-like and spiky centers. As such, the plant doesn’t require regular fertilization. Well-behaved and highly charming, Blue Oat grass (Helictotrichon sempervirens) is a showy ornamental grass that grows in attractive, round clumps of gracefully arching narrow steel blue leaves. It also has a tidy mounded habit and won't spread and take over your garden. These flowers with bluish tint turn harvest gold in late summer to autumn. Tiny, blue-white flowers first begin to appear on seed heads of one-sided panicles in an oat-like cluster. The mound of blue leaves consists of spikelets of bluish-brown flowers perfect for adding elegance to the landscape. The following menu has 3 levels. The name helictotrichon sempervirens comes from the Greek words helictos which means twisted and trichos which means a hair for the awn’s twisted base. Be the first to review “Blue Oat Grass” Cancel reply. Imperata cylindrica 'Rubra' or Japanese blood grass is a colorful red, yellow, … The water needs of this low-maintenance plant range between dry and medium. Growing just one foot high and as wide, blue fescue loves sun or part shade, and is evergreen in most areas, making it … Growing and Care Of Pink Banana Musa Velutina, New Year’s Day History: Incorporating New Year’s Traditions Into The Garden, Root Rot: How To Care For Plants With Rotting Roots, Waxflower [Chamaelaucium Uncinatum] Growing And Care, 3G organic Pesticide for plants || Make a most powerful 3G organic pesticide for any plants. When propagating by division, use a sharp knife or a spade after digging up the mother plant. Spectacular blue-gray mounded foliage makes Blue Oat Grass standout from everything else in your perennial garden. Blue oat grass is a cool season clumping grass with blue foliage, attractive flowers and a mounded form. Your email address will not be published. It grows as an accent plant, and looks great combined with blanket flower (Gaillardia), Russian sage (Perovskia), or Sedum ‘Autumn Joy’. Size. Your rating *. Helictotrichon sempervirens, or Blue Oat Grass, forms clusters of graceful, pale-blue blades that grow 2-3’ tall and wide. Special features: Dramatic Foliage Color , Easy Care , Improved Pest and Disease Resistance , Waterwise Foliage color: Blue-green Blue fescue is kind of a miniature version of Blue oat grass. 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. This cool season grass is propagated by seed in spring and by division in early spring or autumn. The stiff gray-blue leaves are very striking. It is evergreen in locations with mild winters. The Blues is truly a classic in the landscape. What are these bugs? The small fruit (caryopsis or grains) form in the oat-like clusters that held the flowers. Evergreen in warmer climates, this cool-season grass is semi-evergreen where winters are harsh. It's hardy to -25 degrees F. In the following year, the plant should experience robust growth in the growing season. And while other plants may lose their beauty when they flop over, the grass is liked for its clump-forming as it makes the garden appear more vibrant. We do not seem to have this in our living collection. 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. Helictotrichon sempervirens is a cool-season, showy ornamental grass and grows in the full sun. Deer resistant. Blue oat grass is spiky, spunky and blue — characteristics that invite comparisons to blue fescue. Many gardeners prefer its use in mass plantings to add more value to their landscape. In poorly drained and moist soils, the plant is susceptible to crown rot. Flower Head Size Medium Height 60-90 cm 23-35 inches Spread 60-75 cm 23-29 inches Foot Traffic None Growth Rate Medium . BLUE OAT GRASS Helictotrichon sempervirens. When growing from seed, place the fully ripe seeds of the plant in moist sand in a pot and cover with foil. It is typically grown in USDA plant hardiness zones 4 to 8. This is a drought-tolerant plant and requires little care. Steel blue leaves. You can search, browse, and learn more about the plants in our living collections by visiting our BRAHMS website. Reviews. Size: To 4 feet tall. 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. Stop by, email, or call. Blue Oat grass is finely textured and its blue foliage grows around 18" tall but in a mounded shape. It is non-spreading and will grow 2 - 3' tall and just as wide. Browse the curated collection and add your voice! Blue Oat Grass (Helictotrichon sempervirens) Another plant with a silvery-blue hue is the Blue Oat … It's tough to beat blue oat grass for a low-care plant with steel-blue color. Tiny, blue-white flowers first begin to appear on seed heads of one-sided panicles in an oat-like cluster. Resembles a very tall Festuca. The blue oat grass grows well in well-drained soil. Blue oat grass grows as an upright tuft or mound, reaching a height 2 to 3 feet when in flower. Full … The bright blue color of this deer resistant grass makes it a perfect addition to rock gardens. Exposure: Full sun to partial shade. Wet, clay soils may lead to root rot. Blue Oat Grass, Helictotrichon sempervirens, supplies the landscape with spiky tufts of unmistakable blue ornamental grass. Beige panicles are produced June through August, eventually achieving a light brown hue by fall. Even though the plant is well adapted to plenty of soil types, for the perfect steel blue color, grow it in well-drained, unenriched alkaline soil in a sunny place. Within a submenu, use escape to move to top level menu parent. 48" tall x 24" wide (division propagated). Stiff, blue-gray foliage with a nice clumping habit is 24” tall and can be evergreen in our area. Use left and right arrow keys to navigate between menus and submenus. The tiny, blue-white flowers are in oat-like clusters held on one side of the flower stalk. Japanese Blood Grass. https://plantcaretoday.com/waxflower-chamaelaucium.html, https://plantcaretoday.com/herniaria-glabra.html. The fall color gives a spectacular and eye-catching look to the plant. Provides a beautiful backdrop during the winter months. It is non-spreading and will grow 2 - 3' tall and just as wide. Natural Areas Conservation Training Program, Black walnut toxicity (plants tolerant of), Preventing construction damage to trees and shrubs, Trees and shrubs for the four seasons landscape, Sudden Oak Death, Ramorum Blight and Phytophthora ramorum, Eastern United States Wetlands Collection. Plants form a well-behaved clump of bright silvery-blue leaves, with taller arching stems of flowers appearing in early summer. Blue Oat Grass: USDA Zone: 3-9: Plant number: 8.200.100. Use up and down arrow keys to explore within a submenu. Resembling Blue Fescue (Festuca Glauca) but significantly bigger, it is the best of the mid-sized blue-leaved grasses. Reliable and attractive accent, specimen, perfect for rock gardens. use escape to move to top level menu parent. Try it with Heuchera ‘Palace Purple’ and Siberian Iris for a pleasing variety of forms and colors. Since this grass remains semi-evergreen through winter, it should not be cut back until early spring, before new growth begins. And how do I get rid of them? Save my name, email, and website in this browser for the next time I comment. While it may tolerate light shade, it will not flower well in the absence of the full sun. Use up and down arrow keys to explore within a submenu. Average Size at Maturity: Moderate growing; reaches 2 to 3 ft. tall and wide. An Urgent Message From Spirit | 2021 – The Year Of Grand Transition, 3 Edibles You Should Never Plant on Small Lot Food Forest Vegetable Gardens, How To Care For Graptosedum California Sunset, Dog-Friendly Vegetables: 7 Garden Veggies To Grow For Dogs, Transplant Shock: 10 Ways To Minimize Transplanting Shock. A clumping grass. To prevent mold growth, remove the foil at least once a day until seeds sprout. 24-36” tall x 18-24” wide. It reaches a height and spread of 2 ft. to 3 ft. Growing Conditions: Full sun and well-drained soil. The plant type is widely cultivated as a perennial ornamental ground cover grass. This is a cool season grass, so its most active growth occurs in spring and fall. HAKONECHLOA macra 'All Gold' Medium Height. Topped by ethereal, wheat-colored flower stalks in summer that sway in the breeze, this ornamental grass adds colorful relief to landscapes. Required fields are marked *. Since the plant has longer leaves, they flop ever and move elegantly with the wind and provide visual interest to rock gardens. Extremely versatile, it can be used for edging, rock gardens, containers, or in grouped at the front of the border. Get expert help from The Morton Arboretum Plant Clinic. It is a hardy plant type and is capable of handling temperatures down to 0° degrees Fahrenheit (-18° C). Print this Plant. In appearance, it is similar to blue fescue (Festuca Glauca) but it is slightly bigger in size. The metallic blue leaves are 1/4 to 1/8 inch wide and 12-18 inches long. 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. There are no reviews yet. Flowers are borne from the tips of the tapered leaves tipped with golden oat-like seed heads. Going insane here! Blue oat grass, Helictotrichon sempervirens [hel-lik-toh-TRY-kon, sem-per-VY-renz] is a semi-evergreen, cool-season, hardy, and showy ornamental grass and has distinctive blue leaves which enhances the look of your garden. The Morton Arboretum is a 501(c)(3) nonprofit that relies on the generosity of members and donors. The separated plants are treated as a new perennial grass plant and planted at a new location. This western Mediterranean native requires full sun and dry soil with good drainage for good growth. It is an easy-care plant and makes the perfect fit as a container plant. It will be semi-evergreen in winter and can act as winter interest. Go to list of cultivars. This plant is the frosting on the cake for any garden, pleasing us by adding texture and color over the entire growing season. The bloom time of blue oat grass is somewhere between early summer and late spring. Use enter to activate. Beige to light brown terminal panicles appear June through August. 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. Distinguishing traits. Hardy to … Belonging to the Poaceae family, Helictotrichon sempervirens is native to southwest and central European grasslands. Size and Form Blue oat grass grows as an upright tuft or mound, reaching a height 2 to 3 feet when in flower. This plant is great in mass plantings along borders. Difference Between Blue Oat Grass and Blue Fescue. Use left and right arrow keys to navigate between menus and submenus. In spring, pull away the old dead leaves to maintain a fresh look of the grass. Building the urban forest for 2050. Blue oat grass in 5b is a beautiful grass, but be warned it is HIGHLY invasive in good growing conditions.Would recommend planting in a large pot to control it's growth. Plant 24” apart Saphirsprudel (Saphire Fountain) (Helictotrichon sempervirens 'Saphirsprudel'): This cultivar is more tolerant of heat and resistant to rust. In most cases, the plant type will also resemble a porcupine-like clump. It's a cool season ornamental grass that provides interest all year long in the landscape. The plant spreads slowly and is not considered invasive. Throughout the fall, the blue oat grass maintains vibrant light brown flower color. This is an eye-catching ornamental grass that remains vibrant all summer long. This plant has some cultivated varieties. Blue Avena Grass is a good choice for mountain homes up to 8,500 ft. and is also a great Xeriscape plant. The light tan flowers are on erect spikes that rise a foot above the foliage in mid-summer, though flowering is not as strong or commonly seen in southern California as in areas with cooler winters. Its petite size and vibrant color makes it an excellent little accent plant in rock gardens and small beds. Blue Oat Grass, Helictotrichon sempervirens, supplies the landscape with spiky tufts of unmistakable blue ornamental grass. (Crown rot is a risk if this grass is grown in poorly drained soil.) At that time, it can be cut down to the ground if needed or simply trimmed to remove winter damage. Height/Spread: Mounding arching habit, 2 to 4 feet tall and 2 to 3 feet wide. Our trees. Our communities. The growth rate of the plant will definitely increase if you pay attention to its water needs, soil type, and light requirements. Gardeners love the plants as it is also the recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society. Zones: 4-9. Name: Helictotrichon sempervirens. Colorado, Idaho, Oregon, Utah. Blue oat grass is a low-maintenance grass but would require routine trimming. Water newly planted clumps of blue oat grass every week or so for the first growing season to encourage a … Its long leaves typically grow up till 2′ to 3′ feet. Its flowering period starts around late spring or early summer. Tan-colored flower spikes grow a foot above the foliage in summer. Throughout the fall, the blue oat grass maintains vibrant light brown flower color. Most gardeners prefer mass plantings of the blue oat grass to increase the overall look of their gardens. Required fields are marked *. Cut back in April to encourage vigorous new growth. An arching bamboo like look, has nice yellow foliage and grows best with filtered sun. From top level menus, use escape to exit the menu. Best blue color occurs when in dry soils. Average landscape size: Moderate growing; reaches 2 to 3 ft. tall and wide. Grows up to 30 inches tall. Adds texture and color for the entire growing season, can be planted in mass to naturalize or alone as an accent. Graceful fountains of colorful bright blue-gray blades form neat ornamental clumps that combine well with other grasses. 'Blue Oat Grass' Medium Height. While the blue oat grass is not susceptible to pest attack, it can get rust, especially in humid climates. Helictotrichon sempervirens generally is known by the common name – Blue oat grass. Explore this online platform for Chicago-area residents to share their favorite stories about trees. It tolerates everything from heavy clay to rocky, thin and poor soil. Your email address will not be published. Have tree and plant questions? Special Plant Features & Tips. It is also a less invasive option for the landscape as it doesn’t spread via stolons or rhizomes, like other perennial grass. Probably the best blue-leaved grass for average garden conditions. The foliage is a light, silvery blue-green color, with tan colored panicles and blooms. Best in full sun and a moist, well-drained soil. This native American grass was once was the dominant grass across prairies and open woods throughout most of North America. Its identifiable feature is the blue foliage that measures 0.6 cm in width and 50-60 cm in length. Special Features & Videos on Blue Oat Grass. Flowering time is late spring into early summer. Belonging to the grass family Poaceae, the scientific name of blue oat grass is Helictotrichon sempervirens. Good air circulation is needed to minimize rust (a fungal disease). Buy It: Blue Oat Grass, ($12, Direct Gardening) Our future. Learn more about Landscaping with Ornamental Grasses. It is also known by its German name ‘Saphirsprudel’. The flowers are around 4″ to 6″ inches tall and have delicate, pointed petals with thistle-like and spiky centers. As such, the blue oat grass is a hardy plant type will also resemble a clump. 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Height/Spread: Mounding arching habit, 2 to 4 feet tall and wide cut back the old foliage the... This deer resistant grass makes it an excellent little accent plant in moist sand in a mounded shape wide... Day until seeds sprout mature size: Moderate growing ; reaches 2 to 3 ft. tall and have delicate pointed!, ( $ 12, Direct Gardening ) blue oat grass is a cool-season, showy ornamental grass colorful! With good drainage for good growth more tolerant of heat and resistant to rust tolerates everything from heavy clay rocky! Ornamental clumps that combine well with other grasses is similar to blue fescue ( Festuca Glauca but. To minimize rust ( a fungal disease ) by its German name ‘ saphirsprudel ’ escape to exit menu! Love the plants in our living collections by visiting our BRAHMS website from everything else in your garden. The foundation for the next time I comment perennial garden apart graceful of. To their landscape but in a mounded shape a perennial ornamental ground cover grass reaches a 2... This cool-season grass is spiky, spunky and blue — characteristics that invite comparisons to blue fescue 0° Fahrenheit... 3″-4″ before new growth begins to emerge also the recipient of the Royal Horticultural Society — that... Clusters of graceful, pale-blue blades that grow 2-3 ’ tall and 2-2.5 ' spread has a mounded... Inches tall and wide sway in the growing season and fall colored panicles and.... Move elegantly with the wind and provide visual interest to rock gardens and beds! Of forms and colors flowers with bluish tint turn harvest gold in late winter, cut back April. And modern or contemporary clusters of graceful, pale-blue blades that grow 2-3 ’ tall and have delicate, petals! Would require routine trimming favorite stories about trees a great Xeriscape plant increase if pay...

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