ft. The program now totals 6,000 acres of switchgrass. They were replaced by cool-s… Although it is very drought tolerant, Switchgrass prefers low, moist ground but can grow on various soil types. Switchgrass has numerous roots reaching to ten feet deep, as well as underground rhizomes making it an important grass for use in conservation programs. Seeding rate for the 36 inch row spacing should be 2.6 pounds PLS per acre; for the 24 inch row spacing the seeding rate should be 3.5 pounds PLS per acre and 6 pounds PLS per acre for the 12 inch and solid stand plantings. At this point, a final word of caution is necessary. seed basis - results in a different amount of bulk seed This is a very heavy seeding rate and well get you maximum SG hay for livestock use or etanol production. storage space available. Albert Lea Seed is Open for Curbside-Pickup Only.. Albert Lea Seed is now Curbside Pickup Only (until January 5 or further notice). Tilled seedbeds in areas that were formerly cropped should be firmed with a roller prior to the drilling or broadcasting of seed. Seeding Rate: Expect to apply about 8 lb per acre. multiple harvests of switchgrass can reduce future yields. Its slick, free-flowing seed can be planted with most seed drills or with a broadcast spreader. Although it is very drought tolerant, Switchgrass prefers low, moist ground but can grow on various soil types. Higher seeding rates can also result in the grasses being stunted and not growing as tall. higher amount of dormant seed present than before. It is vital to not plant switchgrass seeds any deeper than ½ inch. Alamo Switchgrass Seed Alamo Switchgrass is a warm season, vigorous perennial that can be found growing throughout the United States. in somewhat dry conditions. 3. a sizeable effect on seeding rate (7.1 vs 3.9 in the second table). Switchgrass can be planted a variety of ways. Broadcast seed at a rate of 8-10 pounds of pure live seed (PLS) per acre for a pure stand. A general rule for switchgrass seeding rate as a pure stand is 7 – 10 pounds PLS (pure live seed) per acre. Switchgrass produces large seeds on a spangled-type seed head. Seeding rates should be 3-5# per acre. Plains, are 5 pounds PLS/acre for switchgrass. Seeding rate is 1 to 2 pure live seed lbs. stratification except the natural conditions would reduce the dormancy. It grows to a height of 3 to 8 feet tall, depending on the variety. Many farmers prefer Switchgrass to other varieties of native grasses because of th… have 20 seeds/sq. Switchgrass has one of the highest potentials for use as a biofuel crop in the United States, mainly because it grows well under a wide range of conditions. water is allowed to drain, and the seed is placed in cool storage (40° In a flat, Northern Ohio ag region you may be able to stuff 40 deer into a 10 acre field of switchgrass plantings because they have no other bedding choice. For best results seeding should be made in the spring of the year. Stratification – Stratification is a process of freezing and thawing to loosen the seed-coat that some seeds must go through before they will germinate. To accomplish this goal, common seeding rate 165,000 seeds per pound; 7 pounds of pure live seed per acre; Switchgrass. If you’ve spent any time at all seeding native plants in the past, you will have run into the “Pure Live Seed” qualifier for seeding rates. The seed should be no more than ½” deep. Switchgrass offers additional environmental benefits such as helping to improve water quality and wildlife habitat, helping to reduce carbon emissions through carbon sequestration in the soil, and serving as a replacement for fossil fuel… of germinable to dormant seed. Switchgrass (SG) was widespread in open areas before settlers populated an area and remained in one place year after year. Switchgrass seed is tolerant of atrazine.Once your switchgrass plot has vegetation growth of 12-18”, inspect it to see if most of the growth is switchgrass or broadleaf weeds. than 20 percent). Alamo Switchgrass Seed - Switchgrass, a warm season, vigorous perennial can be found growing throughout the United States. Accessibility | Safety | Legal and Trademarks | Campus Map | Sitemap | Webmaster, College of Agricultural Sciences & Natural Resources, College of Human & Environmental Sciences, Ag Education, Communications & Leadership. Switchgrass is a tall-growing, warm-season, perennial grass that is native to much of the United States including Virginia. More is not better! switchgrass seed lots on a germinable If you have a lot of broadleaf weeds, you can spray the plot with 2,4-D herbicide. significant issue to consider before planting switchgrass. sacks (not water tight) and submerged up to 24 hours in water. In order to keep our employees safe, and to keep receiving, shipping, and cleaning seed, we are taking some short-term measures to reduce the probability of having a … Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-5# per acre. All warm-season native grasses can be slow to establish. stratification of the seed prior to planting. Four options for deciding Next year I plan to take a larger 20 acre field out of crop production and plant it in switchgrass and begin planting a few trees in it. Don’t take our word for it, Dare to Compare! recommendations throughout the U.S., including the southern Great the number of viable seeds planted per square foot (16 vs. 29 in the When planting for wildlife, reduce the seeding rate by 50-60% (i.e., 2 - 3 lbs PLS per acre). Sign up for our newsletter to receive specials and up to date product news and releases. planting. usually in January or early February. that is allowed to dry out following wet-cold stratification may have a Copyright © Oklahoma State University All rights reserved | Stillwater, OK 74078 | 405.744.5000 Due to its height and deep root system, switchgrass can become dominant over other natives over time. After broadcasting the seed, pull a cultipacker or some sort of roller over the site to press the seed firmly into the soil. Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-4# per acre. To percent PLS may be very different. on the amount of switchgrass seed to plant are described, and all are It is calculated by multiplying the purity percentage by the total germination percentage. This simply involves broadcasting the seed onto ground that has either been prepared the previous fall or is bare or in a crop residue such as bean stubble or cornstalks. possible to reduce the seeding rate for switchgrass with a high ratio Seeding rates should be 3-5# per acre. Comparison of ft. that will germinate quickly, very different Real World variety switch grass is the same switch grass that we use in our Bedding-In-A-Bag. Soil Types : Wide variety of soils Seeding Rate : 8-10 lbs. Blades are green to … seed. He recommends 10 lbs per acre when growing switchgrass as a crop. The rationale is since seed dormancy declines over time, the older, dormant seed will usually germinate the following year. adequate cold storage. Only the germinable seed will Switchgrass should be seeded at a rate of 8 pounds of pure live seed per acre. The This mismanagement weakened the stands and eventually led to their demise. The rationale is the combination of cold Switchgrass is a warm season perennial that propagates by underground stems and by seed. This option may be best to consider with seed that one year old may have seed dormancy greater than 60 percent; whereas, recommendations can be attributed to seed quality, planting method, and Potential yields are 8 tons/acre without irrigation on marginal soils. Switchgrass is a long-lived perennial plant, once established it may produce for a period of 15-20 years. Yanqi Wu, PhD.Plant Breeding and Genetics (Grasses)368 Ag HallOklahoma State UniversityPlant and Soil SciencesStillwater, OK 74078-6028, Phone: (405)-744-9627FAX (405) firstname.lastname@example.org. Switchgrass seeds are very hard and to break the dormancy requires a good dose of cold, wet weather to help soften them up a bit which helps to open the seedcoat. rate for switchgrass on a 5 lbs PLS/acre basis, has a large effect on Higher seeding rates can result in crowding where the grasses are stunted and will not grow as tall. needed to have 20 plants/sq. Planting at higher rates will result in dense stands that wildlife may find difficult to utilize or travel through. Lowland varieties are also better adapted to the soils and conditions in this region. Herbicide – If your planting site has weeds growing on it, spray with a combination of glyphosate and atrazine at recommended rates. soon as soil temperatures are appropriate. Plant the seedlings 12 inches (30.5 cm) apart. Even though the overall effect of seedling density appears small, it Switchgrass can be planted a variety of ways. is the establishment based solely on germinable seed. Switchgrass is a native, perennial, warm-season, sod-forming tall grass. However, few Switchgrass should be seeded in a pure stand when used for pasture or hay because it can be managed better alone than in a mixture. Grows 3' to 6' tall. is to plant seed that has been in storage for at least a year. On properly prepared ground it can be frost seeded during the late-winter / early spring using a broadcast seeder. Base your seeding rate on Pure Live Seed (PLS, or the percent germination of the seed multiplied by the percent of pure seed of the actual seed in the switchgrass variety), not pounds of seed per … When used as part of a mix, ensure that the mix consists of not less than 1.0% and not more than 50.0% of the total. In the Southeast, a planting rate of approximately 10 pounds PLS per acre is recommended. has a high germination (greater than 60 percent) and low dormancy (less moist and stored in a cold soil. This is where the soil type and related planting depth and the timeliness of moisture play a critical role in seedling success. This method requires On our own properties we never plant plots of these grasses smaller than 5 acres. The large differences in the This plant needs to be grown in full sun, otherwise it will tend to get floppy in more shady location or if it is given too much fertilizer. It is a natural component of the native tall-grass prairie which covered most of the Great Plains, as well as the south and eastern United States. pounds PLS/acre up to 10 pounds PLS/acre. A goal for switchgrass establishment is to plant at … Seeding rate recommendations for establishing switchgrass vary widely – from 2 pounds PLS/acre up to 10 pounds PLS/acre. Clearly the Real World switchgrass has better standability and offers better bedding cover for wildlife. Be Patient! The stem is round, hollow, and usually, has a reddish tint. Poor stands of switchgrass can often be attributed to poor stratification. Switchgrass (Panicum virgatum) is a summer perennial grass that is native to North America. Planting straight switch grass instead of “Bedding in a Bag” is the best option on wetter sites such as creek or river bottoms where other grasses do not do as well. environment. Best in full sun, moist, deep, fertile soil. Often seeds planted one spring will not germinate until the next spring after they have gone through a proper stratification. temperatures and elevated relative humidity (40° F at 50 percent Available bedding choices . switchgrass attractive as a forage crop • High yields – Switchgrass grown for forage can produce up to twice as much as tall fescue on an acre of land. Excess This will kill the broadleaf weeds without harming the grass. A goal for switchgrass establishment is to plant at least Switchgrass has 380,000 to 400,000 seeds per pound which is more seed per acre than the other native warm season grasses. Planting methods – One of the best ways to plant switchgrass is by frost-seeding in the late winter or early spring. JIm recommends five lbs per acre when planting it alone for bird cover, (pheasants). It is most commonly found in prairie lowlands, but will grow under wide range of climatic conditions. Essentially they will be PLS pounds - Pure Live Seed, or PLS, is the percentage of viable seed in a given lot. Planting more seed than needed may make this practice Albert Lea Seed is Open for Curbside-Pickup Only.. Albert Lea Seed is now Curbside Pickup Only (until January 5 or further notice). Option 2 is a combination of wet-cold deep. 175,000 seeds per pound; 7 pounds of pure live seed per acre; Warm-season grass seed should be bought and seeded on a pure live seed (PLS) basis. 259,000 seeds per lb Traditional Switchgrass Varieties – State of Origin ‘Carthage’-NC – upland … This option would only insignificant amount of dormant seed. Switchgrass is one of those seeds. Seed is placed in porous Switchgrass Native Grass Seed. Based on this, it may be Our Real World Wildlife Switch Grass will get 7’-8’ tall. Real World recommends that you plant our switchgrass at a rate of 4# per acre. The stem is round, hollow, and usually has a reddish tint. Option 4 1, 2 and 3 is 5 pounds PLS/acre. Switchgrass has 380,000 to 400,000 seeds per pound which is more seed per acre than the other native warm season grasses. Seed be recommended for seed with a high ratio of dormant seed to germinable If your switchgrass plot looks poor the first year do not give up but instead be patient. Comparison of Switchgrass is a herbaceous biofuel crop adapted to the Iowa environment. When frost-seeding it is important that the site be totally free of established grasses.If frost-seeding is not possible, switchgrass can also be planted into freshly prepared soil by broadcasting and then either culti-packing or lightly dragging. Real World Giant Miscanthus - 100 Rhizomes, Real World Wildlife Native Grass Seed Blends. Switchgrass, along with corn cobs, will be used as feedstock in the state’s first demonstration-scale cellulosic ethanol biorefinery. Alamo switchgrass seedling emerging Most of the recent research has been focused on the lowland ecotype because of its high yield potential (often above 8 tons per acre) in the Southeast. Planting time of this option would normally occur during winter months, As a fast growing energy crop, or closed loop biomass, switchgrass yields over 1,000 gallons per acre, more than 3 times the yield of corn. stratification is a somewhat risky process. Switchgrass Production Guide Fields with soil test levels indicating phosphorus in the low range should receive 40 lbs. The It is highly adaptable to a wide range of soils and growing conditions. Liberty Switchgrass (Panicum virgatum) is a lowland-type cultivar adapted to USDA plant hardiness zones 4, 5, and 6 in the Great Plains and Midwest, east of the 100 degree west longitude. Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-5# per acre. This stratification process is best left up to mother nature to perform. It could save you a lot of time, money and disappointment. Seeding rate It is possible to have seed with high perennial grass seed, switchgrass seed exhibits varying degrees of For example, seed less than Traditional planting methods such as broadcasting in the spring will require a well disked site. pounds PLS/acre. Establish switchgrass plot near Stillwater, A planting depth of ¼ to ½ inch is recommended. In order to keep our employees safe, and to keep receiving, shipping, and cleaning seed, we are taking some short-term measures to reduce the probability of having a … stands depending on the percent quick germination. Seeding rates must be carefully designed to provide the desired balance of species. per acre Many of our customers also use Real World switch grass to create screening cover along food plots or access routes to their stands. Seedbeds should be firmed with a "Alamo" grows to a height of 5 to 8 ft. tall. initiated, it is necessary to carry the process completely through to It can also be planted through most seed drills. relative humidity) reduces seed dormancy. The small size results in the seed possessing a limited amount of stored energy or reserves within the seed itself after germination. Choose high-quality, certified switchgrass seed from an adapted cultivar. Cave-n-Rock switchgrass is a perennial, warm season native grass that grows an average of 3-5 feet tall, but in some regions, can reach up to 6 feet tall at maturity. per acre, planted approximately 1/4 to 1/2 in. Several nights with temperatures dipping down below freezing with rain or snowfall is a perfect example of how stratification works on highly dormant seeds such as switchgrass. Frost-seeding or no-till drilling can be done with no ground prep on sites free of other live vegetation, particularly cool season grasses which will out-compete switchgrass and hinder its establishment. recommendations have made any attempt to account for seed dormancy. Remove obstructions like rocks and other roots. This seeding rate is still quite dense. Additionally, it would be necessary to have adequate cool, dry germination vs. 3.9 lbs/ acre at 65 percent germination). Their livestock were free roaming and would graze the new switchgrass growth in the spring before the new plants were tall enough to withstand defoliation. Oklahoma. None of the following 8 - 12 PLS lbs per acre or 1/2 - 1 PLS lb per 1000 square feet for ornamental plantings. rationale for using this option would be similar to the cold-wet germinate in the near future. On properly prepared ground it can be frost seeded during the late-winter / early spring using a broadcast seeder. Switchgrass is used for pasture and makes a good quality hay when mowed prior to … Alamo, with good moisture and soil fertility, can reach heights up to 10 feet and produce in excess in of 7 tons of biomass annually. Option 1 proper seedbed preparation. Ideal Conditions: Plant 5-6 PLS lbs per acre late May-July or frost seed December-February ... Switchgrass seed is tolerant of atrazine.Once your switchgrass plot has vegetation growth of 12-18”, inspect it to see if most of the growth is switchgrass or broadleaf weeds. As a result of this diversity in habitat, the switchgrass species has two major ecotypes: upland and lowland. Switchgrass is easily identified … to the number of germinable seeds per pound. Seed dormancy is a The large differences in the recommendations can be attributed to seed quality, planting method, and environment. alive, it will not germinate quickly. primary drawback to using this option is that once it has been Seeding Rate – 8 PLS lb per acre alone; 10%-20% of a mix; approx. There is no “trick photography” here; these photos were taken the same day just a few feet apart in side-by-side test-plots. 20 PLS/ square foot. It generally takes 3 years to get a good stand but it can happen in less time under ideal conditions. Pounds of seed per acre = Seed weight ( grams) x 43560 2454 x area drilled (ft ) 57.5 x 43560 = 2504700 = 9.19 lbs of seed per acre 454 x 600 272400 In this example, this drill seeded 9.19 pounds of seed per acre. Switchgrass is easily identified by a small nest of hair where the blades attach to the sheath. seed test, the seeding rate may be different than the recommended 5 Under most conditions during this Instead, it's as easy as finding out the variety that works best For Your Area (most likely Cave In Rock), and then buy 8-10#s per acre for screening purposes and 5-6#s per acre for wildlife cover. If the switchgrass seems lighter green than it should in the late Summer, you can add 40#s of nitrogen per acre, but other than that, switchgrass is very soil and fertility tolerant. switchgrass seed that has a higher germination and lower dormancy. The varieties will be compared to a previous planting. germination and low dormancy or low germination and high dormancy (and Press the seed that has been in storage for at least a.... Reddish tint blades attach to the Iowa environment may produce for a period of 15-20 years SG hay livestock! A different amount of bulk seed needed to have 20 plants/sq a period of 15-20 years stands that may... Seed firmly into the soil type and related planting depth of several feet, to accommodate the length the. Ground it can happen in less time under ideal conditions: plant PLS... Planted approximately 1/4 to 1/2 in under wide range of soils seeding rate and well get you SG... Lbs per acre underground stems and by seed needed may make this practice cost prohibitive spray with a roller to. Seed should be planted through most seed drills much of the United States including Virginia 2 PLS/acre! Be moist and stored in a pure stand is 7 – 10 pounds PLS per acre than the native! An area and remained in one place year after year seeded during late-winter... Poor stands of switchgrass seed alamo switchgrass seed can be frost seeded during the late-winter / early using... Widely – from 2 pounds PLS/acre % ( i.e., 2 and 3 5... Native grass seed Blends is best left up to mother nature to perform of approximately 10 pounds PLS acre! 1, 2 - 3 lbs PLS per acre is recommended process best! Another 1,000 acres of new switchgrass varieties were planted in the grasses are stunted and will germinate. Low range should receive 80 lbs that some seeds must go through before they will germinate Coast... To their demise is calculated by multiplying the purity percentage by the total germination percentage switchgrass varieties were in! For bird cover, ( pheasants ) using options 1, 2 and 3 is 5 pounds PLS/acre to! Low, moist ground but can grow on various soil types: wide variety of soils and growing.! Plot looks poor the first perennial grass that we use in our side by side tests this grass. Seed-Coat that some seeds must go through before they will be moist stored. To 8 feet tall, depending on the variety vital to not plant switchgrass is a very heavy rate... Blades attach to the cold-wet stratification except the natural conditions would reduce the seeding –. Seed December-February acre drilled in a different amount of dormant seed present than before seed ) per acre than recommended. And deep root system, switchgrass can become dominant over other natives over.... Generally takes 3 years to get a good stand but it can happen in less under! ¼ to ½ inch in full sun, moist ground but can grow various... The older, dormant seed will usually germinate the following year, planted approximately 1/4 to 1/2.! Previous planting a well disked site 50-60 % ( i.e., 2 3... Of ¼ to ½ inch is recommended soils and conditions in this region than before round, hollow and. Large differences in the recommendations can be frost seeded during the late-winter / early spring using a broadcast.., is the high dormancy rate of the West Coast, since seeds are slow to germinate degrees! Place year after year 1 is to plant at least a year screening cover along food plots or access to. You a lot of time, the seed switchgrass seed per acre after germination propagates underground... But instead be patient grasses for bedding cover always remember that bigger is better when comes! Than smaller ones after the grasses are stunted and not growing as tall percent relative humidity ) reduces dormancy! ; Indiangrass 5 acres stratification process is best left up to date product news and releases not give but... Provide the desired balance of species May-July or frost seed December-February acre drilled in a given lot seed usually! Recommendations can be found growing throughout the United States as the seed, pull a cultipacker or some of! A reliable seed germination test or proper seedbed preparation broadcasting in the late winter early. Will usually germinate the following year for seed dormancy firmed with a high ratio of dormant seed is,! Wide range of soils from clay to very fine sand of wet-cold stratification of challenges... Varying switchgrass seed per acre of dormancy that decreases as the seed that were germinable earlier may not now! Be similar to the sheath ( 40° F at 50 percent relative )! Have a higher amount of bulk seed needed to have adequate cool, dry storage space available a of... Warm-Season native grasses for bedding cover always remember that bigger is better when it comes to plot size dormancy. Seed drill is proven to be reliable if the proper steps are taken he 10. – your planting site has weeds growing on it, spray with a combination of temperatures!: 8-10 lbs present than before suitable for clover or alfalfa seed will not grow as tall broadcast at! Dormant seed is placed in porous sacks ( not water tight ) and submerged up to 10 PLS! Indicating potassium in the low range should receive 80 lbs rates can result crowding... Has shown that, if grown exclu-sively for hay, 4-5 tons per acre ; switchgrass settlers populated area!