It is typically grown in USDA plant hardiness zones 4 to 8. The blue oat grass grows well in well-drained soil. Blue Oat Grass, botanical name Helictotrichon sempervirens, is suited to USDA zones 4-9, with full sun. Mature size: 2-3' tall and 2-2.5' spread . Special Plant Features & Tips. Grows up to 30 inches tall. 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. 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. Reviews. Get expert help from The Morton Arboretum Plant Clinic. Adds texture and color for the entire growing season, can be planted in mass to naturalize or alone as an accent. 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. It's a cool season ornamental grass that provides interest all year long in the landscape. It is a hardy plant type and is capable of handling temperatures down to 0° degrees Fahrenheit (-18° C). This is a cool season grass, so its most active growth occurs in spring and fall. Beige to light brown terminal panicles appear June through August. You can search, browse, and learn more about the plants in our living collections by visiting our BRAHMS website. Resembles a very tall Festuca. Tan-colored flower spikes grow a foot above the foliage in summer. Building the urban forest for 2050. Average landscape size: Moderate growing; reaches 2 to 3 ft. tall and wide. Blue oat grass is spiky, spunky and blue — characteristics that invite comparisons to blue fescue. Tiny, blue-white flowers first begin to appear on seed heads of one-sided panicles in an oat-like cluster. Blue fescue is kind of a miniature version of Blue oat grass. Flowers are borne from the tips of the tapered leaves tipped with golden oat-like seed heads. Graceful fountains of colorful bright blue-gray blades form neat ornamental clumps that combine well with other grasses. Going insane here! 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. It will be semi-evergreen in winter and can act as winter interest. It's tough to beat blue oat grass for a low-care plant with steel-blue color. 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. Throughout the fall, the blue oat grass maintains vibrant light brown flower color. In poorly drained and moist soils, the plant is susceptible to crown rot. Learn more about Landscaping with Ornamental Grasses. Topped by ethereal, wheat-colored flower stalks in summer that sway in the breeze, this ornamental grass adds colorful relief to landscapes. Imperata cylindrica 'Rubra' or Japanese blood grass is a colorful red, yellow, … Difference Between Blue Oat Grass and Blue Fescue. This plant has some cultivated varieties. From top level menus, use escape to exit the menu. Average Size at Maturity: Moderate growing; reaches 2 to 3 ft. tall and wide. Blue Oat grass is finely textured and its blue foliage grows around 18" tall but in a mounded shape. Throughout the fall, the blue oat grass maintains vibrant light brown flower color. https://plantcaretoday.com/waxflower-chamaelaucium.html, https://plantcaretoday.com/herniaria-glabra.html. Our trees. 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. 1 Gallon, 2 Gallon, 3 Gallon, 5 Gallon. Helictotrichon sempervirens is a cool-season, showy ornamental grass and grows in the full sun. Evergreen. Use up and down arrow keys to explore within a submenu. Plants form a well-behaved clump of bright silvery-blue leaves, with taller arching stems of flowers appearing in early summer. The plant type is widely cultivated as a perennial ornamental ground cover grass. 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. Its petite size and vibrant color makes it an excellent little accent plant in rock gardens and small beds. Popular in public landscapes and home gardens, this commonly used ornamental grass is grown … Zones: 4-9. It also has a tidy mounded habit and won't spread and take over your garden. 'Blue Oat Grass' Medium Height. Since this grass remains semi-evergreen through winter, it should not be cut back until early spring, before new growth begins. 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. They provide the foundation for the ornamental 4' tall flower spikes that shoot up and ripen to a soft brown by midsummer. 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. Special Features & Videos on Blue Oat Grass. Your rating *. Within a submenu, use escape to move to top level menu parent. Size. Explore this online platform for Chicago-area residents to share their favorite stories about trees. Blue Avena Grass is a good choice for mountain homes up to 8,500 ft. and is also a great Xeriscape plant. HAKONECHLOA macra 'All Gold' Medium Height. Its flowering period starts around late spring or early summer. This is an eye-catching ornamental grass that remains vibrant all summer long. Name: Helictotrichon sempervirens. Helictotrichon sempervirens, or Blue Oat Grass, forms clusters of graceful, pale-blue blades that grow 2-3’ tall and wide. Buy It: Blue Oat Grass, ($12, Direct Gardening) The tiny, blue-white flowers are in oat-like clusters held on one side of the flower stalk. Be the first to review “Blue Oat Grass” Cancel reply. Your email address will not be published. Very nice habit. Our communities. Provides a beautiful backdrop during the winter months. Extremely versatile, it can be used for edging, rock gardens, containers, or in grouped at the front of the border. BLUE OAT GRASS Helictotrichon sempervirens. Blue Oat Grass, Helictotrichon sempervirens, supplies the landscape with spiky tufts of unmistakable blue ornamental grass. 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. We do not seem to have this in our living collection. Water newly planted clumps of blue oat grass every week or so for the first growing season to encourage a … It is non-spreading and will grow 2 - 3' tall and just as wide. This grass does not tolerate hot, humid summers and flowering may be reduced under those conditions. Belonging to the grass family Poaceae, the scientific name of blue oat grass is Helictotrichon sempervirens. Our future. Gardeners love the plants as it is also the recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society. Most gardeners prefer mass plantings of the blue oat grass to increase the overall look of their gardens. As such, the plant doesn’t require regular fertilization. It tolerates everything from heavy clay to rocky, thin and poor soil. Distinguishing traits. This western Mediterranean native requires full sun and dry soil with good drainage for good growth. It is also a less invasive option for the landscape as it doesn’t spread via stolons or rhizomes, like other perennial grass. A clumping grass. It is non-spreading and will grow 2 - 3' tall and just as wide. Use left and right arrow keys to navigate between menus and submenus. Flower Head Size Medium Height 60-90 cm 23-35 inches Spread 60-75 cm 23-29 inches Foot Traffic None Growth Rate Medium . Print this Plant. Use left and right arrow keys to navigate between menus and submenus. The fall color gives a spectacular and eye-catching look to the plant. 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. Size: To 4 feet tall. 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. (Crown rot is a risk if this grass is grown in poorly drained soil.) Beige panicles are produced June through August, eventually achieving a light brown hue by fall. It is evergreen in locations with mild winters. Blue oat grass is a low-maintenance grass but would require routine trimming. use escape to move to top level menu parent. It reaches a height and spread of 2 ft. to 3 ft. An arching bamboo like look, has nice yellow foliage and grows best with filtered sun. When growing from seed, place the fully ripe seeds of the plant in moist sand in a pot and cover with foil. Blue oat grass is a cool season clumping grass with blue foliage, attractive flowers and a mounded form. Cut back in April to encourage vigorous new growth. It is also known by its German name ‘Saphirsprudel’. Resembling Blue Fescue (Festuca Glauca) but significantly bigger, it is the best of the mid-sized blue-leaved grasses. In late winter, cut back the old foliage of the clump-forming grass to 3″-4″ before new growth begins to emerge. A popular cultivar is ‘Sapphire’ with deep blue foliage. The Morton Arboretum is a 501(c)(3) nonprofit that relies on the generosity of members and donors. They are tan when mature. This is a drought-tolerant plant and requires little care. The metallic blue leaves are 1/4 to 1/8 inch wide and 12-18 inches long. While it may tolerate light shade, it will not flower well in the absence of the full sun. The small fruit (caryopsis or grains) form in the oat-like clusters that held the flowers. This plant is the frosting on the cake for any garden, pleasing us by adding texture and color over the entire growing season. The stiff gray-blue leaves are very striking. 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. Spectacular blue-gray mounded foliage makes Blue Oat Grass standout from everything else in your perennial garden. Hardy to … 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. When propagating by division, use a sharp knife or a spade after digging up the mother plant. The water needs of this low-maintenance plant range between dry and medium. Zones: 4-8. In spring, pull away the old dead leaves to maintain a fresh look of the grass. Growing Conditions: Full sun and well-drained soil. It grows as an accent plant, and looks great combined with blanket flower (Gaillardia), Russian sage (Perovskia), or Sedum ‘Autumn Joy’. At that time, it can be cut down to the ground if needed or simply trimmed to remove winter damage. They remain blue all year. Required fields are marked *. Have tree and plant questions? This native American grass was once was the dominant grass across prairies and open woods throughout most of North America. Stiff, blue-gray foliage with a nice clumping habit is 24” tall and can be evergreen in our area. Good air circulation is needed to minimize rust (a fungal disease). Special features: Dramatic Foliage Color , Easy Care , Improved Pest and Disease Resistance , Waterwise Foliage color: Blue-green In appearance, it is similar to blue fescue (Festuca Glauca) but it is slightly bigger in size. Use enter to activate. These flowers with bluish tint turn harvest gold in late summer to autumn. 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. And how do I get rid of them? The flowers are around 4″ to 6″ inches tall and have delicate, pointed petals with thistle-like and spiky centers. Browse the curated collection and add your voice! In the following year, the plant should experience robust growth in the growing season. Tiny, blue-white flowers first begin to appear on seed heads of one-sided panicles in an oat-like cluster. 24-36” tall x 18-24” wide. This plant is great in mass plantings along borders. The flowers are around 4″ to 6″ inches tall and have delicate, pointed petals with thistle-like and spiky centers. 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