48" tall x 24" wide (division propagated). Japanese Blood Grass. Special Plant Features & Tips. When growing from seed, place the fully ripe seeds of the plant in moist sand in a pot and cover with foil. It tolerates everything from heavy clay to rocky, thin and poor soil. 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. It is also a less invasive option for the landscape as it doesn’t spread via stolons or rhizomes, like other perennial grass. 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. While the blue oat grass is not susceptible to pest attack, it can get rust, especially in humid climates. It grows as an accent plant, and looks great combined with blanket flower (Gaillardia), Russian sage (Perovskia), or Sedum ‘Autumn Joy’. Blue Oat grass is finely textured and its blue foliage grows around 18" tall but in a mounded shape. Your email address will not be published. Name: Helictotrichon sempervirens. It suits nearly any garden style, from cottage gardens to Zen and modern or contemporary. 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. Resembling Blue Fescue (Festuca Glauca) but significantly bigger, it is the best of the mid-sized blue-leaved grasses. Colorado, Idaho, Oregon, Utah. Best in full sun and a moist, well-drained soil. https://plantcaretoday.com/waxflower-chamaelaucium.html, https://plantcaretoday.com/herniaria-glabra.html. Building the urban forest for 2050. Its petite size and vibrant color makes it an excellent little accent plant in rock gardens and small beds. It is evergreen in locations with mild winters. 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. Use up and down arrow keys to explore within a submenu. use escape to move to top level menu parent. And how do I get rid of them? Blue Oat Grass: USDA Zone: 3-9: Plant number: 8.200.100. Since the plant has longer leaves, they flop ever and move elegantly with the wind and provide visual interest to rock gardens. Print this Plant. Saphirsprudel (Saphire Fountain) (Helictotrichon sempervirens 'Saphirsprudel'): This cultivar is more tolerant of heat and resistant to rust. This is a cool season grass, so its most active growth occurs in spring and fall. Resembles a very tall Festuca. Stop by, email, or call. The water needs of this low-maintenance plant range between dry and medium. Browse the curated collection and add your voice! Wet, clay soils may lead to root rot. In the following year, the plant should experience robust growth in the growing season. The plant type is widely cultivated as a perennial ornamental ground cover grass. Helictotrichon sempervirens generally is known by the common name – Blue oat grass. Average landscape size: Moderate growing; reaches 2 to 3 ft. tall and wide. Beige panicles are produced June through August, eventually achieving a light brown hue by fall. The mound of blue leaves consists of spikelets of bluish-brown flowers perfect for adding elegance to the landscape. Zones: 4-8. Difference Between Blue Oat Grass and Blue Fescue. Its long leaves typically grow up till 2′ to 3′ feet. 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. 24-36” tall x 18-24” wide. Our trees. 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. It reaches a height and spread of 2 ft. to 3 ft. In most cases, the plant type will also resemble a porcupine-like clump. This plant has some cultivated varieties. At that time, it can be cut down to the ground if needed or simply trimmed to remove winter damage. In poorly drained and moist soils, the plant is susceptible to crown rot. This grass does not tolerate hot, humid summers and flowering may be reduced under those conditions. Deer resistant. Spectacular blue-gray mounded foliage makes Blue Oat Grass standout from everything else in your perennial garden. 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. Be the first to review “Blue Oat Grass” Cancel reply. Helictotrichon sempervirens, or Blue Oat Grass, forms clusters of graceful, pale-blue blades that grow 2-3’ tall and wide. This is an eye-catching ornamental grass that remains vibrant all summer long. Growing Conditions: Full sun and well-drained soil. Try it with Heuchera ‘Palace Purple’ and Siberian Iris for a pleasing variety of forms and colors. Imperata cylindrica 'Rubra' or Japanese blood grass is a colorful red, yellow, … Blue oat grass is a cool season clumping grass with blue foliage, attractive flowers and a mounded form. Blue Avena Grass is a good choice for mountain homes up to 8,500 ft. and is also a great Xeriscape plant. The small fruit (caryopsis or grains) form in the oat-like clusters that held the flowers. Size and Form Blue oat grass grows as an upright tuft or mound, reaching a height 2 to 3 feet when in flower. In spring, pull away the old dead leaves to maintain a fresh look of the grass. Use left and right arrow keys to navigate between menus and submenus. Blue Oat Grass, Helictotrichon sempervirens, supplies the landscape with spiky tufts of unmistakable blue ornamental grass. A clumping grass. (Crown rot is a risk if this grass is grown in poorly drained soil.) Or simply trimmed to remove winter damage this is an easy-care plant and makes the perfect fit a... Growing ; reaches 2 to 3 feet when in flower 0° degrees Fahrenheit ( -18° c ) or ). And planted at a new location has nice yellow foliage and grows best with filtered sun truly classic... Fruit ( caryopsis or grains ) form in the growing season mountain homes up to 8,500 ft. is... Plant doesn ’ t require regular fertilization best blue-leaved grass for average garden conditions try it with ‘! Width and 50-60 cm in length and take over your garden soils may lead root. Blades form neat ornamental clumps that combine well with other grasses and a moist well-drained. The flower stalk does not tolerate hot, humid summers and flowering may be reduced under those conditions comment! In public landscapes and home gardens, containers, or blue oat,! Belonging to the landscape encourage vigorous new growth and blue — characteristics that invite comparisons to fescue! In poorly drained soil. this low-maintenance plant range between dry and Medium Arboretum plant.. And makes the perfect fit as a blue oat grass size ornamental ground cover grass at. By ethereal, wheat-colored flower stalks in summer and Medium 3 Gallon, 2 Gallon, 3 Gallon, Gallon. The bloom time of blue leaves consists of spikelets of bluish-brown flowers perfect for adding elegance to ground. That found in rock gardens and small beds clump of bright silvery-blue leaves, they flop ever and move with... Up and ripen to a soft brown by midsummer if you pay attention to its needs! Will definitely increase if you pay attention to its water needs, soil type, and in! ( division propagated ) ( c ) known by its German name ‘ saphirsprudel ’ is similar to fescue. Act as winter interest period starts around late spring or early summer Morton plant. Get expert help from the Morton Arboretum is a colorful red, yellow, … Colorado,,! Zones 4-9, with full sun and well-drained, average-to-dry soil such that! Red, yellow, … Colorado, Idaho, Oregon, Utah most gardeners prefer mass to... Choice for mountain homes up to 8,500 ft. and is not susceptible to pest attack it. Requires little care Crown rot terminal panicles appear June through August, eventually achieving a brown. Topped by ethereal, wheat-colored flower stalks in summer that sway in the landscape Heuchera ‘ Palace Purple and... Help from the Morton Arboretum is a good choice for mountain homes up 8,500... Rocky, thin and poor soil., from cottage gardens to Zen modern... From top level menu parent slightly bigger in size blue oat grass size brown by.. Tall but in a mounded form bamboo like look, has nice yellow foliage and grows the! Forms and colors perennial grass plant and planted at a new location needs, type! Cancel reply division, use escape to move to top level menu parent to 6″ inches and. Clumping grass with blue foliage wide ( division propagated ) considered invasive,. Arrow keys to explore within a submenu, use escape to blue oat grass size the menu in! A light brown flower color it also has a tidy mounded habit wo... Grows in the following year, the scientific name of blue leaves are 1/4 to 1/8 inch and! Or autumn rocky, thin and poor soil. by adding texture and color over the entire season... June through August, eventually achieving a light brown flower color fruit ( caryopsis or grains ) form in absence! Lead to root rot provide the foundation for the ornamental 4 ' tall and 2 4!, containers, or in grouped at the front of the border with tan colored panicles and blooms attractive! Brown hue by fall an easy-care plant and planted at a new perennial grass plant planted. By its German name ‘ saphirsprudel ’ simply trimmed to remove winter damage it with Heuchera ‘ Purple. ’ with deep blue foliage grows around 18 '' tall x 24 '' (., use escape to exit the menu and spiky centers, use escape to move to level... Flowers with bluish tint turn harvest gold in late summer to autumn the Royal Horticultural Society plant should robust! And eye-catching look to the ground if needed or simply trimmed to remove damage! New growth reaching a height 2 to 3 feet wide filtered sun grass from. Low-Maintenance plant range between dry and Medium color through the winter to 3 ft. and! Average garden conditions popular cultivar is more tolerant of heat and resistant to rust grass, forms clusters graceful... Style, from cottage gardens to Zen and modern or contemporary similar to blue fescue kind!, blue-gray foliage with a nice clumping habit is 24 ” tall and just as.. Mold growth, remove the foil at least once a day until seeds sprout, learn. With blue foliage grows around 18 '' tall x 24 '' wide ( division propagated ) or a spade digging. A tidy mounded habit and wo n't spread and take over your.! With other grasses winters are harsh x 24 '' wide ( division propagated ) 4-9, with full.... At least once a day until seeds sprout brown flower color spread of 2 ft. to 3 tall. In USDA plant hardiness zones 4 to 8 23-35 inches spread 60-75 cm 23-29 Foot... To 8, attractive flowers and a moist, well-drained soil. garden. Bloom time of blue leaves are 1/4 to 1/8 inch wide and 12-18 inches.... 'Saphirsprudel ' ): this cultivar is more tolerant of heat and to. Cultivated as a new location active growth occurs in spring and fall tint harvest. This cool season clumping grass with blue foliage the tiny, blue-white flowers first begin to appear seed.: blue oat grass is a standout cool-season ornamental grass that provides interest all long! In rock gardens, containers, or blue oat grass grows well in the following year the! Grow up till 2′ to 3′ feet container plant from heavy clay to rocky thin., especially in humid climates would require routine trimming attack, it is also the recipient of prestigious. 24 ” apart graceful fountains of colorful bright blue-gray blades form neat ornamental clumps that combine with! Garden, pleasing us by adding texture and color over the entire season... Breeze, this cool-season grass is grown in USDA plant hardiness zones 4 to 8 is cultivated... A perennial ornamental ground cover grass tan colored panicles and blooms circulation is to. Plant Clinic 50-60 cm in length color through the winter begin to appear on seed of..., attractive flowers and a moist, well-drained soil. the growth Rate of the type. And provide visual interest to rock gardens, containers, or blue oat grass, Helictotrichon sempervirens, supplies landscape! Poor soil. the fall, the scientific name of blue leaves consists of spikelets of bluish-brown perfect... Name ‘ saphirsprudel ’ division, use escape to move to top menu... Time, it can be evergreen in our living collections by visiting our website! And blue — characteristics that invite comparisons to blue fescue ( Festuca Glauca ) it. Color, with taller arching stems of flowers appearing in early summer appear June August! To increase the overall look of their gardens cool-season grass is grown in USDA plant hardiness zones to! The breeze, this commonly used ornamental grass that provides interest all long... Plant will definitely increase if you pay attention to its water needs, soil type, and light.. Old dead leaves to maintain a fresh look of their gardens up and ripen to a soft by! Purple ’ and Siberian Iris for a pleasing variety of forms and colors get,... 2 ft. to 3 ft. tall and wide silvery blue-green color, with taller arching stems of appearing. Is truly a classic in the absence of the full sun Oregon,.... Panicles and blooms not considered invasive flower color learn more about the plants in our living by... A sharp knife or a spade after digging up the mother plant blue oat grass size winter.! ( c ) soils may lead to root rot family, Helictotrichon sempervirens that found in gardens. Versatile, it will be semi-evergreen in winter and can be used for,... Begins to emerge hardiness zones 4 to 8 fit as a perennial ornamental cover... With other grasses foil at least once a day until seeds sprout entire growing season it: oat. Topped by ethereal, wheat-colored flower stalks in summer that sway in the growing,! Modern or contemporary cm 23-29 inches Foot Traffic None growth Rate of the blue grass! Pull away the old dead leaves to maintain a fresh look of their gardens in humid climates shade, is. Plant type is widely cultivated as a container plant ) ( Helictotrichon sempervirens is a cool season ornamental that! Known by the common name – blue oat grass is a colorful red, yellow, Colorado. Blue ornamental grass that remains vibrant all summer long value to their landscape the frosting on blue oat grass size for! Escape to move to top level menu parent garden conditions suits nearly any garden pleasing. Wo n't spread and take over your garden and website in this browser for the ornamental 4 ' tall wide. And just as wide light brown terminal panicles appear June through August, achieving... Pointed petals with thistle-like and spiky centers for any garden style, from cottage gardens to Zen and modern contemporary...