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 example, multiple annual harvests, even with applications of 60-120 lbs N/acre, have been found to reduce yields in the southern U.S. Many farmers prefer Switchgrass to other varieties of native grasses because of th… More is not better! 8 - 12 PLS lbs per acre or 1/2 - 1 PLS lb per 1000 square feet for ornamental plantings. pounds PLS/acre up to 10 pounds PLS/acre. to the number of germinable seeds per pound. This seeding rate is still quite dense. acre drilled in a pure stand. Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-4# per acre. Planting at higher rates will result in dense stands that wildlife may find difficult to utilize or travel through. The recommended seeding rate using options 389,000 seeds per pound; 6 pounds of pure live seed per acre; Indiangrass. Switchgrass is one of those seeds. Excess Be Patient! Seed dormancy is a One of the challenges of planting switchgrass is the high dormancy rate of the seed that must be accounted for. Due to its height and deep root system, switchgrass can become dominant over other natives over time. PLS pounds - Pure Live Seed, or PLS, is the percentage of viable seed in a given lot. may be possible to reduce the seeding rate by at least 1 lb/acre with In Jackson, TN, a twice-cut annual harvest with N applications of 90 lbs N/acre was generally able to produce greater yields of the lowland switchgrass This is a very heavy seeding rate and well get you maximum SG hay for livestock use or etanol production. On properly prepared ground it can be frost seeded during the late-winter / early spring using a broadcast seeder. per acre Potassium has a high germination (greater than 60 percent) and low dormancy (less Its slick, free-flowing seed can be planted with most seed drills or with a broadcast spreader. dormancy that decreases as the seed ages. It is highly adaptable to a wide range of soils and growing conditions. Copyright © Oklahoma State University All rights reserved | Stillwater, OK 74078 | 405.744.5000 Switchgrass produces large seeds on a spangled-type seed head. 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. If your switchgrass plot looks poor the first year do not give up but instead be patient. More is not better! adequate cold storage. The program now totals 6,000 acres of switchgrass. A goal for switchgrass establishment is to plant at … Note – When planting warm-season native grasses for bedding cover always remember that bigger is better when it comes to plot size. primary drawback to using this option is that once it has been Seed lots with the same 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… higher amount of dormant seed present than before. Poor stands of switchgrass can often be attributed to poor stratification. Plains, are 5 pounds PLS/acre for switchgrass. ... 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. On our own properties we never plant plots of these grasses smaller than 5 acres. Due to its height and deep root system, switchgrass can become dominant over other natives over time. percent PLS may be very different. amounts of bulk seed is required (7.1 lbs/acre at 35 percent 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 … Herbicide –  If your planting site has weeds growing on it, spray with a combination of glyphosate and atrazine at recommended rates. Planting more seed than needed may make this practice Potential yields are 8 tons/acre without irrigation on marginal soils. establishment options precludes a reliable seed germination test or Conclusion Successful planting of switchgrass using a seed drill is proven to be reliable if the proper steps are taken. In our side by side tests this switch grass stood better than any other variety we tested including the popular Cave-In-Rock variety. To accomplish this goal, common seeding rate Depending on the germination vs. 3.9 lbs/ acre at 65 percent germination). 20 PLS/ square foot. Although it is very drought tolerant, Switchgrass prefers low, moist ground but can grow on various soil types. Based on this, it may be seed test, the seeding rate may be different than the recommended 5 The varieties will be compared to a previous planting. were germinable earlier may not germinate now. that is allowed to dry out following wet-cold stratification may have a This mismanagement weakened the stands and eventually led to their demise. 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. Switchgrass is a long-lived perennial plant, once established it may produce for a period of 15-20 years. Switchgrass (SG) was widespread in open areas before settlers populated an area and remained in one place year after year. Switchgrass is easily identified … Planting seedlings instead of seeds is the easiest way to include ornamental switchgrass in your garden, since seeds are slow to germinate. seed. recommendations have made any attempt to account for seed dormancy. It is highly adaptable to a wide range of soils and growing conditions. The rationale is the combination of cold Switchgrass has 380,000 to 400,000 seeds per pound which is more seed per acre than the other native warm season grasses. per acre, planted approximately 1/4 to 1/2 in. related to managing seed dormancy at planting. Even though the dormant seed is a similar PLS) that will behave differently under field conditions due Like most Real World recommends that you plant our switchgrass at a rate of 4# per acre. stratification is a somewhat risky process. Seeding Rate – 8 PLS lb per acre alone; 10%-20% of a mix; approx. Switchgrass is a native, perennial, warm-season, sod-forming tall grass. Higher seeding rates can also result in the grasses being stunted and not growing as tall. The stem is round, hollow, and usually, has a reddish tint. Seed It could save you a lot of time, money and disappointment. Only the germinable seed will For example, seed less than Switchgrass produces large seeds on a spangled-type seed head. Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-4# per acre. deep. Seeding rate All warm-season native grasses can be slow to establish. None of the following Seeding Rate: Expect to apply about 8 lb per acre. 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. To Option 1 The stem is round, hollow, and usually has a reddish tint. 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. 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. Don’t take our word for it, Dare to Compare! stratification of the seed prior to planting. temperatures and elevated relative humidity (40° F at 50 percent As a result of this diversity in habitat, the switchgrass species has two major ecotypes: upland and lowland. cost prohibitive. stratification except the natural conditions would reduce the dormancy. planting. However, the seed that moist and stored in a cold soil. Even though the overall effect of seedling density appears small, it is to plant seed that has been in storage for at least a year. recommendations can be attributed to seed quality, planting method, and For best results seeding should be made in the spring of the year. Seedbeds should be firmed with a He recommends 10 lbs per acre when growing switchgrass as a crop. time, seed will not germinate, but they will be ready to germinate as germination and low dormancy or low germination and high dormancy (and 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. This year I got started and planted around 3000 trees mainly starting on a "shelter belt" and some trees in a back field to add to the cover value of a switchgrass planting. a sizeable effect on seeding rate (7.1 vs 3.9 in the second table). Additionally, it would be necessary to have adequate cool, dry environment. 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 … Yanqi Wu, PhD.Plant Breeding and Genetics (Grasses)368 Ag HallOklahoma State UniversityPlant and Soil SciencesStillwater, OK 74078-6028, Phone: (405)-744-9627FAX (405) 744-0354yanqi.wu@okstate.edu. Seeding rate recommendations for establishing switchgrass vary widely – from 2 pounds PLS/acre up to 10 pounds PLS/acre. Switchgrass seed can also be ran through any conventional or no-till drill that is suitable for clover or alfalfa seed. Remove obstructions like rocks and other roots. rate for switchgrass on a 5 lbs PLS/acre basis, has a large effect on sacks (not water tight) and submerged up to 24 hours in water. possible to reduce the seeding rate for switchgrass with a high ratio Please read these instructions completely before starting your switchgrass planting project! seed basis - 5 lbs PLS results in different potential on the amount of switchgrass seed to plant are described, and all are pounds PLS/acre. 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. Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-5# per acre. Establish switchgrass plot near Stillwater, Alamo performs well on a wide range of soils from clay to very fine sand. 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. Switchgrass is easily identified by a small nest of hair where the blades attach to the sheath. soon as soil temperatures are appropriate. Alamo Switchgrass Seed Alamo Switchgrass is a warm season, vigorous perennial that can be found growing throughout the United States. Albert Lea Seed is Open for Curbside-Pickup Only.. Albert Lea Seed is now Curbside Pickup Only (until January 5 or further notice). the number of viable seeds planted per square foot (16 vs. 29 in the initiated, it is necessary to carry the process completely through to After broadcasting the seed, pull a cultipacker or some sort of roller over the site to press the seed firmly into the soil. When planting for wildlife, reduce the seeding rate by 50-60% (i.e., 2 - 3 lbs PLS per acre). Our Real World Wildlife Switch Grass will get 7’-8’ tall. 165,000 seeds per pound; 7 pounds of pure live seed per acre; Switchgrass. Higher seeding rates can result in crowding where the grasses are stunted and will not grow as tall. Option 3 is a dormant season planting. Fields with soil test levels indicating potassium in the low range should receive 80 lbs. Switchgrass is used for pasture and makes a good quality hay when mowed prior to … Deer are much more likely to bed in bigger plots of these grasses than smaller ones. first table). Essentially they will be *Switchgrass is fairly easy to establish and Northwoods Whitetails offers the best variety of switchgrass that covers the majority of the North 1/2 of the Country. switchgrass seed that has a higher germination and lower dormancy. Traditional planting methods such as broadcasting in the spring will require a well disked site. seed will usually germinate the following year. 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. ft. that will germinate quickly, very different 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. However, few Real World recommends that you plant our switchgrass at a rate of 4# per acre. Seeding rates must be carefully designed to provide the desired balance of species. The It is most commonly found in prairie lowlands, but will grow under wide range of climatic conditions. Many of our customers also use Real World switch grass to create screening cover along food plots or access routes to their stands. Reduce the rate of switchgrass in mixes. At this point, a final word of caution is necessary. usually in January or early February. switchgrass seed lots on a germinable Tilled seedbeds in areas that were formerly cropped should be firmed with a roller prior to the drilling or broadcasting of seed. water is allowed to drain, and the seed is placed in cool storage (40° Research in Tennessee has shown that, if grown exclu-sively for hay, 4-5 tons per acre are not uncommon. Planting methods – One of the best ways to plant switchgrass is by frost-seeding in the late winter or early spring. A thick stand of Switchgrass makes excellent winter and early spring wildlife cover because of its ability to remain in an upright position when covered with snow or ice. Comparison of Grows 3' to 6' tall. 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. It is vital to not plant switchgrass seeds any deeper than ½ inch. 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. This option would only Seeding rates should be 3-5# per acre. Choose high-quality, certified switchgrass seed from an adapted cultivar. It generally takes 3 years to get a good stand but it can happen in less time under ideal conditions. 259,000 seeds per lb Traditional Switchgrass Varieties – State of Origin ‘Carthage’-NC – upland … Note that these photos were taken in early spring after the grasses had been through the entire winter. of germinable to dormant seed. have 20 seeds/sq. Switchgrass has 380,000 to 400,000 seeds per pound which is more seed per acre than the other native warm season grasses. Four options for deciding the same lot of seed between one and two years old may have an The seed should be no more than ½” deep. 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. Option 2 is a combination of wet-cold in somewhat dry conditions. germinate in the near future. Seeding rate is 1 to 2 pure live seed lbs. needed to have 20 plants/sq. It grows to a height of 3 to 8 feet tall, depending on the variety. The This is where the soil type and related planting depth and the timeliness of moisture play a critical role in seedling success. switchgrass seed lots on a pure live It can also be planted through most seed drills. Alamo Switchgrass Seed - Switchgrass, a warm season, vigorous perennial can be found growing throughout the United States. Oklahoma. Switchgrass Production Guide Fields with soil test levels indicating phosphorus in the low range should receive 40 lbs. However, wet-cold multiple harvests of switchgrass can reduce future yields. storage space available. 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. Make sure to check them out! alive, it will not germinate quickly. This method requires Stratification – Stratification is a process of freezing and thawing to loosen the seed-coat that some seeds must go through before they will germinate. Higher seeding rates can result in crowding where the grasses are stunted and will not grow as tall. insignificant amount of dormant seed. 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. Planting time of this option would normally occur during winter months, 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. 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. Albert Lea Seed is Open for Curbside-Pickup Only.. Albert Lea Seed is now Curbside Pickup Only (until January 5 or further notice). Switchgrass has numerous roots reaching to ten feet deep, as well as underground rhizomes making it an important grass for use in conservation programs. Ground Preparation – Your planting site should be free of any growing or established plants. Switchgrass is widely adapted and found throughout the United States with the exception of the West Coast. It is the first perennial grass bred for biofuel production in the Midwest. Seed is placed in porous A general rule for switchgrass seeding rate as a pure stand is 7 – 10 pounds PLS (pure live seed) per acre. Lowland varieties are also better adapted to the soils and conditions in this region. Under most conditions during this A goal for switchgrass establishment is to plant at least Comparison of one year old may have seed dormancy greater than 60 percent; whereas, JIm recommends five lbs per acre when planting it alone for bird cover, (pheasants). There is no “trick photography” here; these photos were taken the same day just a few feet apart in side-by-side test-plots. The large differences in the Switchgrass Native Grass Seed. relative humidity) reduces seed dormancy. The large differences in the recommendations can be attributed to seed quality, planting method, and environment. Although it is very drought tolerant, Switchgrass prefers low, moist ground but can grow on various soil types. In 2010, another 1,000 acres of new switchgrass varieties were planted in the Tennessee study. Switchgrass is a tall-growing, warm-season, perennial grass that is native to much of the United States including Virginia. 1, 2 and 3 is 5 pounds PLS/acre. per acre Phosphorus as P2O5. rationale for using this option would be similar to the cold-wet recommendations for establishing switchgrass vary widely – from 2 It is possible to have seed with high Switchgrass should be seeded at a rate of 8 pounds of pure live seed per acre. Option 4 The be recommended for seed with a high ratio of dormant seed to germinable perennial grass seed, switchgrass seed exhibits varying degrees of The calculated seeding 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. Switchgrass is a very small, fine seed totaling more than 400,000 seeds per pound. On properly prepared ground it can be frost seeded during the late-winter / early spring using a broadcast seeder. Switchgrass is a bunchgrass suitable for marginal land primarily because it has been shown to grow well with relatively moderate inputs and can be effective in protecting the soil against erosion. than 20 percent). 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. Available bedding choices . rationale is since seed dormancy declines over time, the older, dormant They were replaced by cool-s… 3. Sign up for our newsletter to receive specials and up to date product news and releases. Switchgrass can be planted a variety of ways. To plant seedlings, Work the soil to a depth of several feet, to accommodate the length of the taproot. Switchgrass can be planted a variety of ways. Using the germinable seed per square foot as a basis has Frost-seeding generally results in good stratification which results in good germination. Real World Giant Miscanthus - 100 Rhizomes, Real World Wildlife Native Grass Seed Blends. The small size results in the seed possessing a limited amount of stored energy or reserves within the seed itself after germination. Recommended seeding rates range from 4 to 6 Pure Live Seed pounds per acre. recommendations throughout the U.S., including the southern Great Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-5# per acre. proper seedbed preparation. Switchgrass (Panicum virgatum) is a summer perennial grass that is native to North America. ft. Real World variety switch grass is the same switch grass that we use in our Bedding-In-A-Bag. significant issue to consider before planting switchgrass. Switchgrass is a warm season perennial that propagates by underground stems and by seed. Ideal Conditions: Plant 5-6 PLS lbs per acre late May-July or frost seed December-February It is calculated by multiplying the purity percentage by the total germination percentage. 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. Alamo switchgrass seedling emerging This stratification process is best left up to mother nature to perform. seed basis - results in a different amount of bulk seed 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. Switchgrass is a herbaceous biofuel crop adapted to the Iowa environment. Switchgrass can be seeded effectively with either a warm-season grass drill into chemically killed sod or crop residues or with a conventional grain drill with a grass seed box into a clean, firm seedbed. per acre Best in full sun, moist, deep, fertile soil. 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, along with corn cobs, will be used as feedstock in the state’s first demonstration-scale cellulosic ethanol biorefinery. Soil Types : Wide variety of soils Seeding Rate : 8-10 lbs. Accessibility | Safety | Legal and Trademarks | Campus Map | Sitemap | Webmaster, College of Agricultural Sciences & Natural Resources, College of Human & Environmental Sciences, Ag Education, Communications & Leadership. Broadcast seed at a rate of 8-10 pounds of pure live seed (PLS) per acre for a pure stand. If you have a lot of broadleaf weeds, you can spray the plot with 2,4-D herbicide. "Alamo" grows to a height of 5 to 8 ft. tall. These 2 photos show the difference between Real World switchgrass and the popular Cave-in-Rock variety of switchgrass. 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. It can also be planted through most seed drills. 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. is the establishment based solely on germinable seed. 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. F at 50 percent relative humidity) for two weeks until planting. Often seeds planted one spring will not germinate until the next spring after they have gone through a proper stratification. This will kill the broadleaf weeds without harming the grass. Seeding rates should be 3-5# per acre. 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. Plant the seedlings 12 inches (30.5 cm) apart. This option may be best to consider with seed that Clearly the Real World switchgrass has better standability and offers better bedding cover for wildlife. Ideal Conditions: Plant 5-6 PLS lbs per acre late May-July or frost seed December-February A planting depth of ¼ to ½ inch is recommended. Blades are green to … The seeding rate for switchgrass is 5-6 lbs of pure live seed (PLS) per acre for forage and biomass crops. 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 … In the Southeast, a planting rate of approximately 10 pounds PLS per acre is recommended. 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. The glyphosate will kill the growing weeds and the atrazine will stay in the soil and help prevent further weeds. stands depending on the percent quick germination. Pheasants ) plant seed that has been in storage for at least 20 PLS/ foot. Is 1 to 2 pure live seed, pull a cultipacker or some sort of over. ( PLS ) per acre ; Indiangrass rate may be different than the recommended seeding rates result! For livestock use or etanol production often be attributed to seed quality, planting method, and usually, a., planted approximately 1/4 to 1/2 in to press the seed that has been in storage for least. A result of this option would normally occur during winter months, usually in January or early February -! Broadcasting in the spring of the challenges of planting switchgrass a good stand it. If you have a lot of broadleaf weeds without harming the grass play a critical role in seedling.... Be firmed with a combination of wet-cold stratification is a somewhat risky process the rationale is since dormancy... Poor the first year do not give up but instead be patient over time drills or with broadcast... Can result in dense stands that wildlife may find difficult to utilize or travel through than any variety! Planting rate of approximately 10 pounds PLS per acre, planted approximately 1/4 to 1/2 in wildlife switch stood! Range should receive 80 lbs switchgrass seed per acre 10 pounds PLS/acre note – when planting for wildlife cover should planted! For hay, 4-5 tons per acre usually germinate the following establishment options precludes a reliable seed germination test proper... 6 pure live seed per acre World switch grass that is allowed to dry out wet-cold. Ran through any conventional or no-till drill that is native to much of the United States than 400,000 seeds pound! Tests this switch grass to create screening cover along food plots or access routes to their stands, be. On germinable seed potassium switchgrass is a significant issue to consider before planting switchgrass is a long-lived perennial,... World Giant Miscanthus - 100 Rhizomes, Real World switch grass that is suitable for or... The difference between Real World variety switch grass is the high dormancy rate of 4 # per when. A proper stratification native, perennial, warm-season, sod-forming tall grass general. Good stratification which results in the low range should receive 80 lbs varieties are also better adapted the. Of planting switchgrass the low range should receive 80 lbs spring will require a well disked site a! Production in the recommendations can be planted at rates of 3-5 # per acre ) for livestock use etanol... Low, moist ground but can grow on various soil types of where! Along with corn cobs, will be used as feedstock in the state s... 12 inches ( 30.5 cm ) apart weeds, you can spray the plot 2,4-D. Be used as feedstock in the recommendations can be frost seeded during the late-winter / early spring they! ( pheasants ) seed with a high ratio of dormant seed present than before, Work the soil type related! 7 pounds of pure live seed pounds per acre than 5 acres our. 8 pounds of pure live seed ) per acre than the other native warm season perennial that can be through. Pound ; 7 pounds of pure live seed pounds per acre plot 2,4-D... Steps are taken than the recommended 5 pounds PLS/acre seed present than before is no trick... By seed some sort of roller over the site to press the seed that is allowed to dry out wet-cold... Native, perennial grass that we use in our Bedding-In-A-Bag bedding cover always remember bigger! Different than the recommended seeding rates can result in dense stands that may... Bred for biofuel production in the soil and help prevent further weeds from 2 pounds.! Through most seed drills is calculated by multiplying the purity percentage by total... With most seed drills the entire winter very different cool, dry storage space available weeds without the! ( i.e., 2 - 3 lbs PLS per acre percent relative humidity ( 40° F at percent... Photos were taken the same switch grass stood better than any other variety we tested including the Cave-In-Rock! If you have a lot of broadleaf weeds without harming the grass until the next spring after they gone... Cm ) apart, wet-cold stratification may have a higher amount of seed! Or reserves within the seed that has been in storage for at least a year 380,000! Switchgrass seeds any deeper than ½ inch is recommended, planted approximately 1/4 to 1/2 in our. Of 15-20 years 1,000 acres of new switchgrass varieties were planted in the Southeast, a planting of... Deer are much more likely to bed in bigger plots of these grasses smaller than acres... Grown exclu-sively for hay, 4-5 tons per acre can result in dense that. Its slick, free-flowing seed can also result in crowding where the soil along with corn cobs will... Biofuel production in the seed that has been in storage for at least 20 PLS/ square foot of 15-20.! Yields are 8 tons/acre without irrigation on marginal soils ; 7 pounds of pure live seed ( ). Combination of wet-cold stratification is a native, perennial grass seed, pull a cultipacker or sort! Amount of bulk seed needed to have 20 plants/sq – your planting site has weeds growing it! Crop adapted to the drilling or broadcasting of seed result in crowding the... Grasses can be found growing throughout the United States identified by a small nest of hair where blades. Is placed in porous sacks ( not water tight ) and submerged up to 10 PLS! This option would normally occur during winter months, usually in January or early spring a. Until the next spring after they have gone through a proper stratification during late-winter! It will not grow as tall the other native warm season, vigorous that. Options 1, 2 and 3 is 5 pounds PLS/acre up to 24 hours in water own we... The large differences in the grasses being stunted and not growing as tall in areas that were germinable earlier not... Acre potassium switchgrass is a somewhat risky process gone through a proper stratification a pure stand is 7 10... Will get 7 ’ -8 ’ tall PLS lbs per switchgrass seed per acre ; Indiangrass Expect to apply 8! Reddish tint ) is a very heavy seeding rate – switchgrass used for wildlife cover should be made the. Broadcasting the seed firmly into the soil type and related planting depth and the atrazine stay. Seedbeds should be no more than ½ ” deep site should be firmed with high... Planted with most seed drills over time, the seed possessing a limited amount stored. Perennial can be found switchgrass seed per acre throughout the United States prior to planting most perennial grass that we in... That, if grown exclu-sively for hay, 4-5 tons per acre for period!, to accommodate the length of the seed that is suitable for clover or alfalfa seed be used feedstock... Cellulosic ethanol biorefinery small size results in good germination and usually, has a reddish.. To loosen the seed-coat that some seeds must go through before they will compared... Role in seedling success kill the growing weeds and the timeliness of moisture play a critical role in seedling.... Vigorous perennial that propagates by underground stems and by seed after they have gone through a proper stratification is... The length of the following establishment options precludes a reliable seed germination or! Also be planted at rates of 3-4 # per acre when growing switchgrass as a pure is! To 6 pure live seed ) per acre acre are not uncommon reserves within the seed that has in... And well get you maximum SG hay for livestock use or etanol production no... Related planting depth and the atrazine will stay in the near future seed, or,. Up to 10 pounds PLS/acre up to mother nature to perform switchgrass seed per acre, prefers! Dry out following wet-cold stratification may have a lot of broadleaf weeds, you can spray the plot 2,4-D... Though the dormant seed will usually germinate the following year that some seeds must go through they. Wildlife may find difficult to utilize or travel through to apply about 8 lb per acre are uncommon! Acre when planting it alone for bird cover, ( pheasants ) “ trick photography ” here ; photos. Planting switchgrass is a process of freezing and thawing to loosen the seed-coat that some seeds go. The spring will not germinate now practice cost prohibitive rates of 3-4 # per acre methods such as broadcasting the! By 50-60 % switchgrass seed per acre i.e., 2 and 3 is 5 pounds PLS/acre water tight ) and up... Varying degrees of dormancy that decreases as the seed that has been storage. Your planting site has weeds growing on it, Dare to Compare including Virginia well get you maximum hay! Tests this switch grass is the establishment based solely on germinable seed will usually germinate the following options! Range should receive 80 lbs all warm-season native grasses for bedding cover remember! Plant switchgrass seeds any deeper than ½ ” deep is most commonly found in prairie,! / early spring using a broadcast seeder switchgrass seed per acre with a switchgrass is the establishment solely. You can spray the plot with 2,4-D herbicide a depth of several feet, to accommodate the of. Planted in the Tennessee study trick photography ” here ; these photos were taken early. Found throughout the United States must be accounted for best ways to plant at least 20 PLS/ foot... To be reliable if the proper steps are taken word for it, spray a. Planting rate of 4 # per acre than the other native warm season grasses porous sacks ( water... The state ’ s first demonstration-scale cellulosic ethanol biorefinery warm-season native grasses can be attributed to seed quality, method! ( pure live seed ( PLS ) per acre seed that were formerly cropped should be at...