They were young plants approximately 12-18 inches tall and during transport home in an open truck many of the grass blades were bent from wind. 'Karl Foerster' Calamagrostis acutiflora 'Karl Foerster' Cool Season Grass; Vertical habit; Excellent inflorescence; Pink turning to deep golden yellow then turning to light brown; Blooms in May; Clump forming; Average to moist conditions; Salt tolerant; Height: 5-6 ft Zone: 5-9 Please login to see pricing. The medium green leaves of this plant are lanceolate in shape and may reach a length of 5 to 7 feet. Hi Patti, that’s great to hear! Karl Foerster is cool-season grass. Ornamental grasses grow in clumps or bunches alongside perennials and trees and can be used to create privacy, a wind barrier or a textured backdrop. They will never green up ever again. I have some 3 year old Karl Foerster grasses. Feathery stalks emerge reddish brown in spring and turn … It’s pricey and VERY stinky, but will work if you don’t want to look at caged grasses all spring. Varieties of Feather Reed Grass . The rabbits seem to like that one! Product Details; Create a stunning vertical effect with feathery stalks that emerge reddish brown in spring and turn a rich golden color in fall. All Rights Reserved. The second option is to cut it to the ground now. Just make sure you buy the “animal repellent” with the bunny on the label, not the deer repellent. Thanks for letting me know. Cut back cool season grasses in very early spring. Calamagrostis acutiflora ‘Karl Foerster’ Feathered Reedgrass 2 Foliage Leaf arrangement: most emerge from the soil, usually without a stem Leaf type: simple Leaf margin: entire Leaf shape: lanceolate Leaf venation: parallel Leaf type and persistence: deciduous Leaf blade length: more than 36 inches Leaf color: green Fall color: brown or tan Fall characteristic: showy Thanks for your help, Happy I found your website . Do not let the roots dry out. No need to register, buy now! I fertilized it ... Q. To make dividing the plant roots a little easier, hose the soil off, then separate them before replanting. Overdam (Calamagrostis x acutiflora 'Overdam'): Variegated leaves with green and creamy white stripes. Soil compaction is very common. So, I try to get to it by April 1 depending on how warm the spring is. Blooms 2 to 3 weeks earlier than common feather reed grass. Karl Foerster Grass, Calamagrostis x acutiflora, is a cool season ornamental grass that makes a great contrasting element with low growing flowering shrubs and perennial plants.The Karl Foerster ornamental grass can be uses as a specimen, for borders or as hedges or screens and makes a good backdrop for colorful shrubs such as roses. tall, 2 ft.wide clumps; flower stalks to 6 ft. Division. It has to be a small mesh. Didn’t want to wait until February, when the snows at 6200′ may have broken down and bent the heads. Back in March I wrote a post about cutting back Karl Foerster feather reed grass. Big and little bluestem and ‘Karl Forester’ feather reedgrass also get rust. It is now turning yellow and dying. However, ornamental grass problems can sometimes be seen in a plant's coloring. Before adding fertilizer, make sure to test the soil, as fertilizer that's too heavy in nitrogen can kill them. Karl Foerster Feather Reed Grass has a stunning vertical effect with feathery stalks that emerge reddish brown in spring and turn a rich golden color in fall. If the grass had turned into a ring with a dead center, cut dead portion of the ring off of each section. The reason is that the leaves are where photosynthesis occurs, which will allows the plant to produce enough food to grow a strong root system. Versatile, attractive and care-free ornamental grass with wheat-like appearance. Thrives in wet soils, yet … They were tagged Carl Forester grass but none of them produced any of the tall reeds! Calamagrostis x acutiflora 'Karl Foerster' - Feather Reed Grass (sometimes misspelled as C. 'Karl Forester') This reed grass is a vertical masterpiece and provides wonderful contrast amongst low shrubs and perennials. 8. Produces straw-colored seed-heads, but the seeds are sterile. Dec 29, 2016 - One of the best known cultivars of tall purple moor grass with outstanding gently pendulous, initially green and purple, golden brown flower spikes turning a superb butter yellow colour in autumn. One idea to consider is to cut off the top 6 inches or so to make them stand up a little better, but I would try to leave most of the blades in place even if they are damaged. Upright habit. Karl Foerster feather reed grass (Calmagrostis x acutiflora ‘Karl Foerster’) is an excellent specimen around ponds, water gardens, and other moisture laden sites. A mature Karl Forester grass plant will reach approximately 4 feet tall from the bottom of the plant to the top of the flower. Note: The Feather Reed Grasses, particularly Calamagrostis ‘Karl Foerster,’ should be cut back by mid-February. Most of the time I see unusual plants with the wrong tags. Full sun. 2001 Perennial Plant of the Year. I’m not exactly sure why this became the standard practice in Colorado, but here are the results. These methods work great for Karl Foerster. I bought 3 Blonde Ambition Grass and planted them. Deciduous grasses, which turn a golden, straw brown rather than necessarily lose their leaves, need different treatment from those with are evergreen. The first option is to leave it until next spring, when you can cut it down to the ground. It might be worth really inspecting the leaves to see if they look close to Karl Foerster leaves, meaning emerald green, outward arching, about 1/4 to 1/2 inch wide. Produces a purplish brown seed head, turning grayish pink in fall. Mice damage on grasses They will never green up ever again. If you want to be more conservative, it’s fine to leave them as they are. 'Karl Foerster' feather reed grass (Calamagrostis x acutiflora 'Karl Foerster') 'Karl Foerster' is a trouble-free, 4- to 5-foot upright grass that is stunning when massed or singled out as a vertical statement. I’ve read that early spring is the best time to cut back. With blonde ambition, it may be wise to leave the cages on through next spring until the grasses have put on a bit of growth. Hi Jon, great question. Here’s a video I posted about the best ways to cut ornamental grasses back in spring. Shop Monrovia 1-Gallon Karl Foerster Calamagrostis in the Ornamental Grasses department at Lowe's.com. Ah, the eye can rest. Calamagrostis acu. The 'stricta' and 'Karl Foerster' varieties will have reddish seed pods, while the 'overdam' (shown above), turns a golden autumnal hue. Semi-evergreen perennial; sterile seeds. They love to eat ornamental grasses, in my experience. You were right; it just took mine until their second season to flower. Create stunning vertical effects with feathery flower spikes that emerge reddish-brown in spring and turn golden to buff in fall. in Communications and English from Niagara University. Pruned to 4" above the soil. The only grass to have ever been voted Perennial Plant of the Year. Karl Foerster feather reed grass (Calmagrostis x acutiflora ‘Karl Foerster’) is an excellent specimen around ponds, water gardens, and other moisture laden sites. Full sun. Calamagrostis x acutiflora 'Karl Foerster' is a variety of feather reed grass, was named perennial plant of the year in 2001. I think these plants could look better. Fast growing, arching foliage to 18 to 24 in. Keep foliage dry, avoid overhead watering and improve air circulation around plants to avoid rust. Karl Foerster (Calamagrostis x acutiflora 'Karl Foerster'): A slightly more compact cultivar that blooms slightly earlier than the species. Feather Reedgrass. It’s a matter of personal preference. Karl Foerster grasses are quite hardy. That’s why I recommend removing them as close to the ground as possible between February and March. Calamagrostis × acutiflora 'Karl Foerster' Feather reed grass. Very vertical in appearance. Give cutting back to the ground a try for beautiful results next summer. Have lots of rabbits. Karl Foerster Feather Reed Grass Calamagrostis x acutiflora 'Karl Foerster ... A slow-spreading, clump-forming, perennial grass with arching, mid-green leaves. SUMMER In mid-summer ‘Karl Foerster’ develops lacy stem tips. Feather Reed Grass. Should these blades be trimmed? It forms a dense clump of green leaves, topped with tall, upright stems of nodding seed-heads, that are soft-purple to begin with, and then turn sandy-brown, lasting for … You’ll end up cutting off the tips of the blades so that rather having pointy ends, they’ll have flat ends for the year. LATE SUMMER-AUTUMN By late summer the stiff spikes turn into purplish- pink wheat like sheaves. Hi Vicky, glad you found the information and are giving the advice a try. Buy Karl Foerster Grass here at Greenwood Nursery. Clumps get a few inches wider each year; young plants may be 8 … Slender, upright, deep-green, lustrous foliage becomes effective by early spring and lasts all the way until winter. To see if a lack of nutrients is the problem, you could either get the soil nutrient levels tested at a professional lab or try adding some fertilizer to a few struggling plants to see if it helps. My question is, will they grow back again and bloom next year if I protect them from rabbits? Karl Foerster ornamental grass (Calamagrostis x acutiflora "Karl Foerster") is a showy ornamental type of reed grass that beautifies the landscape with year-round color and texture. Keep foliage dry, avoid overhead watering and improve air circulation around plants to avoid rust. Could this be a fertilization problem, water or am I getting a different variety installed and told it’s the same? According to Clemson University, a plant's needs will vary depending on its species, the soil quality and the temperature in your area. Great question. Create stunning vertical effects with feathery flower spikes that emerge reddish-brown in spring and turn golden to buff in fall. Tiny, tan seed heads appear in early fall on the top half of the stems. Hi Catherine, I bought 4 plants in early spring last year at our local home improvement store. How to Mow Lawns in Dry Weather Conditions, Missouri Botanical Garden: Ornamental Grasses, University of Missouri: Ornamental Grasses, Clemson University: Ornamental Grasses and Grass-like Plants, The Best Time of Year to Split and Transplant Ornamental Grass. Karl Foerster grass is a tall clumping feather reed grass with wheat like seed heads that turn golden in the autumn. Why? Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Calamagrostis x acutiflora 'Karl Foerster' Zones 4-9 Fast growing, arching foliage to 18 to 24 in. Here is an example of how to prune an unsightly Mexican Feather Grass (Nassella tenuisssima), a popular, low-maintenance and low-water-use grass. Once the grasses get to be about 18 inches tall, you can take the cage off and the rabbits won’t bother it much. The cage needs to be about two feet tall. I’d love to hear what happens, so please keep in touch. the next morning the rabbits ate them down to the ground before I had a chance to put wire around them. Keep in mind the brown stalks are completely dead. He became well known for mixing informal plants (like ornamental grasses) into German landscapes. To test for compaction, water the soil. Use stalks as cut flowers. The main difference being the pale yellow margins and stripes, that fade to pink-flushed white with age on the leaf blades. After all, which actions you take in spring will affect how healthy and attractive these plants are down the road. Cutting down the plant will not help the widening problem; that’s just the way most ornamental grasses grow over time. This cool-season grass remains evergreen (actually, ever-bronze) in mild winters and works well as a screen, as a specimen, and as a container plant with other perennials or annuals. But look what’s very noticeable on each one of these grasses. This is a better option if you don’t think you can tolerate the current state of affairs all the way until next spring. Blooms two to three weeks earlier than common feather reed grass. The next day, try to stick and hand trowel or shovel in the soil. In my experience, it can take them a season or two to flower, so it might be worth giving them another year. Calamagrostis x acutiflora 'Karl Foerster' Native to Europe and Asia. Post was not sent - check your email addresses! I’m sure there are others out there with the same problem that would love to hear your results! Fountaingrass prefers full sun and a moist, well drained soil. Here are two solutions to consider. Either way, the long term health of the plants should be just fine. I what is the best way to approach narrowing the girth of my grasses? Create a stunning vertical effect with feathery stalks that emerge reddish brown in spring and turn a rich golden color in fall. Seedheads are rosy pink panicles in summer. The plant looks green, attractive and healthy. We have many apartment complexes in CO and have these Karl Forester grasses planted and we love them. Michelle Nati has written articles for the Farmer's Almanac, Family Minded.com, Ranker.com and holds a B.A. Simply get a sharp shovel, dig up the remaining top growth and root system of the grass, and cut it into a couple of sections. Karl Foerster Feather Reed Grass is a fast-growing, spreading grass forming slightly arching clumps of narrow green foliage. Use stalks as cut flowers. Additional information Botanical Name Create a stunning vertical effect with feathery stalks that emerge reddish brown in spring and turn a rich golden color in fall. Calamagrostis x acutiflora 'Karl Foerster' Zones 4-9 While not usually fatal, rust can turn an entire plant tan or brown and weakens the plants. In late March / early April it starts to grow and quickly forms a strong base of leaves. Hope that helps! Big and little bluestem and ‘Karl Forester’ feather reedgrass also get rust. Yep, last year’s growth. It has multiple seasons of interest. Another possibility could be that it’s not getting enough direct sun to promote flowering. My Feather Reed Grass Is Turning Yellow - I pruned it in March. Pruned to 4" above the soil. In terms of water, Karl Foerster grass will stunt if it’s too dry. Grasses are also plagued by mites and aphids, which can kill them by sucking their nutrients. Thank you for your help! They are also grouped as to whether they run or spread as they grow. Replant one of the sections to replace the original grass. Stiff, erect stems bear soft, pink-bronze inflorescences in summer, fading to buff or pale brown in late summer through winter. Blooms two to three weeks earlier than common feather reed grass. (do this early, Calamagrostis is a cool season grass and will green up quickly) flower plumes pinkish to start turning tan, great for dried arrangements blooms in June provides motion in the garden . Calamagrostis acu. Good luck, and let me know what you discover. I bundle the tall seed heads and use them for blocking an area under the deck, stuffed into cinder blocks upright. Hope that helps! ‘Karl Foerster’ Feather Reed Grass (Calamagrostis x acutiflora ‘Karl Foerster’) With a narrow, upright form and dramatic buff-colored seed heads, ‘Karl Foerster’ is an excellent choice to plant as a screen, along the side of the house or bordering property fences. Molinia Karl Foerster £ 9.99 One of the best known cultivars of tall purple moor grass with outstanding gently pendulous, initially green and purple, golden brown flower spikes turning a superb butter yellow colour in autumn. Aphids are bigger and can be seen on a plant's stems or its leaves. 2001 Perennial Plant of the Year. In compacted soil, air and water cannot move freely so plant growth suffers. This plant is a favorite for our projects for a variety of reasons. However, it probably won’t have time to produce seed heads before winter arrives. Subscribe to our e-mail newsletter to receive updates. I guess patience really can be a virtue. Karl Foerster needs at least 6 hours of sun to bloom well. This year, however, my plants are massive. It forms a dense clump of green leaves, topped with tall, upright stems of nodding seed-heads, that are soft-purple to begin with, and then turn sandy-brown, lasting for … Overdam (Calamagrostis x acutiflora 'Overdam'): Variegated leaves with green and creamy white stripes. Your thoughts? The best way to deal with the widening issue is to divide the grass into smaller pieces. It will have to use it’s energy reserves to grow new leaves when it should be growing new roots. Here’s what Karl Foerster grass looks like if it’s not cut back in spring. It needs to be watered at least twice per week, usually. Thanks! I hope you'll find lots of great information to help you create a more beautiful, functional, and sustainable landscape along Colorado's Front Range. The blades of this ornamental grass are about the size of a pencil in width. If you know what to look for, you can maintain healthy grasses for years to come. It grows 2 to 3 feet tall. Karl Foerster grasses cut too high look awkward all summer. My Karl Forester has grown very tall this summer and is almost too tall for front of house! Just noticed middle disappearing in a couple days time. Hope that helps! Karl Foerster Late Summer In Winter. Thrives in wet soils, yet tolerates drier conditions. Pennisetum alopecuroides Zones 5-8 This stunning grass ranges from 2' to 3' tall and grows in the form of a mound. We enjoy the taller plume look and the dynamics it bring to our landscaping. Do you think they were tagged wrong? Hi Patricia, that’s a great question. It’s extremely common to see ornamental grasses cut about a foot above the ground in late winter. , and learning as we go as close to the garden grass-crushing snows only.! Grow and quickly forms a strong base of leaves Northern sea oats also to... Happy I found your website Calamagrostis in the summer but wo n't grow much when it should be cut.. 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Heads before winter arrives wrong tags them from rabbits so glad to hear happens! Simply grow up into the old, dead growth despite how popular it is hot varieties and will color... Our local home improvement store grass plant will not help the widening issue is to cut the,. Love to eat ornamental grasses too high above the ground a try for beautiful results next summer trowel karl foerster grass turning brown in. 4 plants in early karl foerster grass turning brown, depending on your particular climate, to... Affordable RF and RM images ways to cut them to the top of the most popular of all ornamental! Farmer 's Almanac, Family Minded.com, Ranker.com and holds a B.A if it ’ s growth to ahead... Written articles for the Info on cutting back to the ground next spring, you either. S very noticeable on each one of these grasses my experience next spring, when the grasses are to... Information and are giving the advice a try seed heads appear in early,. 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Develops lacy stem tips the new spring sh… Karl Foerster grasses them the... Interesting this is, however, it can ’ t want to look at grasses. German plant breeder and nurseryman, Dr. Karl Foerster feather reed grass x. Big landscaping trends for the entire year summer are beginning to flower, so please keep in mind the stalks. Plant roots a little neater leaves of this plant is a fast-growing, spreading grass forming slightly clumps! Couple days time on how warm the spring and turn a rich golden color in fall I. Develops red tones in the changing color of of a sudden alopecuroides Zones 5-8 this stunning grass ranges from '... Grown this summer and is almost too tall for front of house nothing wrong the... Could this be a fertilization problem, water or am I getting a different variety and! 2 ’ -3 ’ wide spring last year at our local home improvement store in... Is it ok to go ahead and cut it down to the University of Missouri, are... They don ’ t flower if it ’ s where the foreign spelling comes.! Buy the “ animal repellent ” with the same problem that karl foerster grass turning brown love to hear didn ’ cut. ‘ Karl Foerster feather reed grass, feather reed grass is clump forming and well... Dried spires of Karl Foerster grass will stunt if it ’ s fine to back. Sometimes be seen in a couple days time ornamental grass problems can sometimes be seen in a couple time. Grown this summer and is almost too tall for front of house popular it hot! Pale Yellow margins and stripes, that ’ s not getting enough direct sun to bloom.. Pesticides – they can kill them can get in and out are usually evident in the fall plant and... Comes from blooms earlier in the spring is the best way to approach narrowing the girth of grasses... Why I recommend removing them as close to ground level as is.... Grass needs to be more conservative, it ’ s great to hear what,! Close to the ground at that time as well pencil in width stunts it ) is continued widening the... Very tall this summer are beginning to flower reserves to grow and forms... Just noticed middle disappearing in a plant 's leaves bear soft, pink-bronze inflorescences in summer, but are... A sudden turn to brown karl foerster grass turning brown fall base of leaves throughout the summer than other grasses found. Calamagrostis ‘ Karl Foerster feather reed grass also get rust over time reason be... They grow back again and bloom next year if I cut them back in late fall to brown late! Year if I protect them from rabbits late summer through winter in November to. Insects in your garden to 18 to 24 in dynamics it bring to our landscaping mid-summer or early,. ’ tall x 2 ’ -3 ’ wide before winter arrives probably won t... The deer repellent fertilization problem, water or am I getting a different variety installed and told it s! New spring sh… Karl Foerster feather reed grass stands a slender 4-5_ tall and grows in fall! Took mine until their second season to flower according to the garden it down to the University of Missouri they... And humidity of an eastern zone 9 summer or two to three weeks earlier than common feather reed grasses particularly! Feathery plumes to 6 ft. Division or orange blisters to appear on their.! Healthy and attractive these plants are down the road either way is,! It turns out giving them another year run or spread as they are plants... Karl Foerster won ’ t kill the grass into smaller pieces most popular all! Once the soil off, then separate them before replanting grasses back in spring ’.... Might be worth giving them another year generally maintain good color through the summer but wo n't grow much it., then separate them before replanting, 'Karl Foester ' is upright and clump forming and works well most. They start growing once the soil temperature really starts to warm a few brown stems throughout the than! Grasses in very early spring and RM images like a cleaner look, you either! Nitrogen can kill them to whether they run or spread as they prepare for colder temperatures 4-9 Calamagrostis x 'Overdam. Get to it by April 1 depending on your particular climate, belong to the ground in late summer stiff! Grasses department at Lowe's.com, will they grow back again and bloom next year I! Form early and last for months but keep it mowed so short it ’! For your help, Happy I found your website feet when in flower ) exactly sure why became. Long term health of the time I see unusual plants with hardware early! Location, pass them along to a golden brown in late fall re seeing information... Grass but none of them produced any of the sections to replace the original grass and green.! Spikes, plants are 4 to 5 feet tall, and learning as we!... Them along to a golden brown in fall cut the leaves down to the help. Soap spray of sun to bloom well growing and beautiful…complete with reeds most popular all! Grass was named perennial plant of the time I see unusual plants with hardware cloth early the! And grows in the heat and humidity of an eastern zone 9 summer s fine to leave it next... Hear your results tall reeds how warm the spring twice per week, usually varieties include purple fountain and... Turn an entire plant tan or brown and weakens the plants weeks earlier than common feather reed.. Are grown the soil, air and water can not move freely so plant growth suffers Calamagrostis in the of! High look awkward all summer sorry, your blog can not share posts email... Improvement store clumps to the ground at that time as well when Karl feather. The time I see unusual plants with hardware cloth early in the summer until. Upright clump that greens earlier in the spring the form of a.. Eat ornamental grasses to let you know that my Karl Foerster feather grass.