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. Switchgrass is one of those seeds. It grows to a height of 3 to 8 feet tall, depending on the variety. per acre, planted approximately 1/4 to 1/2 in. One of the challenges of planting switchgrass is the high dormancy rate of the seed that must be accounted for. Research in Tennessee has shown that, if grown exclu-sively for hay, 4-5 tons per acre are not uncommon. Even though the dormant seed is Ideal Conditions: Plant 5-6 PLS lbs per acre late May-July or frost seed December-February There is no “trick photography” here; these photos were taken the same day just a few feet apart in side-by-side test-plots. Many farmers prefer Switchgrass to other varieties of native grasses because of th… Switchgrass Production Guide Fields with soil test levels indicating phosphorus in the low range should receive 40 lbs. Seeding rates must be carefully designed to provide the desired balance of species. 389,000 seeds per pound; 6 pounds of pure live seed per acre; Indiangrass. None of the following stratification except the natural conditions would reduce the dormancy. Switchgrass is a herbaceous biofuel crop adapted to the Iowa environment. in somewhat dry conditions. 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. On our own properties we never plant plots of these grasses smaller than 5 acres. 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… Option 2 is a combination of wet-cold Switchgrass is easily identified by a small nest of hair where the blades attach to the sheath. germination and low dormancy or low germination and high dormancy (and After broadcasting the seed, pull a cultipacker or some sort of roller over the site to press the seed firmly into the soil. 259,000 seeds per lb Traditional Switchgrass Varieties – State of Origin ‘Carthage’-NC – upland … time, seed will not germinate, but they will be ready to germinate as were germinable earlier may not germinate now. 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. stratification is a somewhat risky process. Although it is very drought tolerant, Switchgrass prefers low, moist ground but can grow on various soil types. Switchgrass is a native, perennial, warm-season, sod-forming tall grass. Potential yields are 8 tons/acre without irrigation on marginal soils. It is possible to have seed with high have 20 seeds/sq. Comparison of that is allowed to dry out following wet-cold stratification may have a on the amount of switchgrass seed to plant are described, and all are Higher seeding rates can result in crowding where the grasses are stunted and will not grow as tall. However, few 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. They were replaced by cool-s… Planting seedlings instead of seeds is the easiest way to include ornamental switchgrass in your garden, since seeds are slow to germinate. Recommended seeding rates range from 4 to 6 Pure Live Seed pounds per acre. recommendations for establishing switchgrass vary widely – from 2 JIm recommends five lbs per acre when planting it alone for bird cover, (pheasants). Note that these photos were taken in early spring after the grasses had been through the entire winter. 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. F at 50 percent relative humidity) for two weeks until planting. The calculated seeding Seed lots with the same soon as soil temperatures are appropriate. Four options for deciding seed. 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. Herbicide – If your planting site has weeds growing on it, spray with a combination of glyphosate and atrazine at recommended rates. However, the seed that Please read these instructions completely before starting your switchgrass planting project! 3. Planting at higher rates will result in dense stands that wildlife may find difficult to utilize or travel through. 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. All warm-season native grasses can be slow to establish. Soil Types : Wide variety of soils Seeding Rate : 8-10 lbs. dormancy that decreases as the seed ages. "Alamo" grows to a height of 5 to 8 ft. tall. Only the germinable seed will seed basis - 5 lbs PLS results in different potential first table). Albert Lea Seed is Open for Curbside-Pickup Only.. Albert Lea Seed is now Curbside Pickup Only (until January 5 or further notice). 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 … Its slick, free-flowing seed can be planted with most seed drills or with a broadcast spreader. 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. seed will usually germinate the following year. A general rule for switchgrass seeding rate as a pure stand is 7 – 10 pounds PLS (pure live seed) per acre. seed basis - results in a different amount of bulk seed In 2010, another 1,000 acres of new switchgrass varieties were planted in the Tennessee study. Option 3 is a dormant season planting. Fields with soil test levels indicating potassium in the low range should receive 80 lbs. germination vs. 3.9 lbs/ acre at 65 percent germination). This stratification process is best left up to mother nature to perform. 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. 20 PLS/ square foot. The large differences in the is to plant seed that has been in storage for at least a year. Real World variety switch grass is the same switch grass that we use in our Bedding-In-A-Bag. This method requires pounds PLS/acre. Even though the overall effect of seedling density appears small, it The stem is round, hollow, and usually has a reddish tint. Real World Giant Miscanthus - 100 Rhizomes, Real World Wildlife Native Grass Seed Blends. Real World recommends that you plant our switchgrass at a rate of 4# per acre. 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. recommendations throughout the U.S., including the southern Great temperatures and elevated relative humidity (40° F at 50 percent Depending on the He recommends 10 lbs per acre when growing switchgrass as a crop. 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. 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. Seedbeds should be firmed with a The glyphosate will kill the growing weeds and the atrazine will stay in the soil and help prevent further weeds. amounts of bulk seed is required (7.1 lbs/acre at 35 percent To accomplish this goal, common seeding rate the number of viable seeds planted per square foot (16 vs. 29 in the Ideal Conditions: Plant 5-6 PLS lbs per acre late May-July or frost seed December-February The 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. a similar PLS) that will behave differently under field conditions due 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. 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. switchgrass seed lots on a germinable Switchgrass (Panicum virgatum) is a summer perennial grass that is native to North America. The It could save you a lot of time, money and disappointment. Switchgrass is widely adapted and found throughout the United States with the exception of the West Coast. 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. 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. Lowland varieties are also better adapted to the soils and conditions in this region. 165,000 seeds per pound; 7 pounds of pure live seed per acre; Switchgrass. 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. Switchgrass has 380,000 to 400,000 seeds per pound which is more seed per acre than the other native warm season grasses. 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. As a result of this diversity in habitat, the switchgrass species has two major ecotypes: upland and lowland. stratification of the seed prior to planting. per acre Potassium is the establishment based solely on germinable seed. Additionally, it would be necessary to have adequate cool, dry Note – When planting warm-season native grasses for bedding cover always remember that bigger is better when it comes to plot size. than 20 percent). 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. This is a very heavy seeding rate and well get you maximum SG hay for livestock use or etanol production. per acre related to managing seed dormancy at planting. relative humidity) reduces seed dormancy. Like most Oklahoma. primary drawback to using this option is that once it has been Comparison of 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. 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. Seeding rate Switchgrass can be planted a variety of ways. deep. Broadcast seed at a rate of 8-10 pounds of pure live seed (PLS) per acre for a pure stand. Grows 3' to 6' tall. Seed is placed in porous 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. initiated, it is necessary to carry the process completely through to It is most commonly found in prairie lowlands, but will grow under wide range of climatic conditions. Sign up for our newsletter to receive specials and up to date product news and releases. Clearly the Real World switchgrass has better standability and offers better bedding cover for wildlife. rationale for using this option would be similar to the cold-wet Traditional planting methods such as broadcasting in the spring will require a well disked site. storage space available. environment. to the number of germinable seeds per pound. Essentially they will be 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 … At this point, a final word of caution is necessary. These 2 photos show the difference between Real World switchgrass and the popular Cave-in-Rock variety of switchgrass. perennial grass seed, switchgrass seed exhibits varying degrees of a sizeable effect on seeding rate (7.1 vs 3.9 in the second table). Seeding rate recommendations for establishing switchgrass vary widely – from 2 pounds PLS/acre up to 10 pounds PLS/acre. Make sure to check them out! Seeding rates should be 3-5# per acre. Switchgrass is a warm season perennial that propagates by underground stems and by seed. moist and stored in a cold soil. For best results seeding should be made in the spring of the year. Seeding rate is 1 to 2 pure live seed lbs. Due to its height and deep root system, switchgrass can become dominant over other natives over time. higher amount of dormant seed present than before. 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. Choose high-quality, certified switchgrass seed from an adapted cultivar. proper seedbed preparation. Seeding rate – Switchgrass used for wildlife cover should be planted at rates of 3-5# per acre. If you have a lot of broadleaf weeds, you can spray the plot with 2,4-D herbicide. Higher seeding rates can result in crowding where the grasses are stunted and will not grow as tall. The seeding rate for switchgrass is 5-6 lbs of pure live seed (PLS) per acre for forage and biomass crops. ft. Planting more seed than needed may make this practice ... 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. Switchgrass is a tall-growing, warm-season, perennial grass that is native to much of the United States including Virginia. Alamo performs well on a wide range of soils from clay to very fine sand. Higher seeding rates can also result in the grasses being stunted and not growing as tall. Establish switchgrass plot near Stillwater, Switchgrass is a long-lived perennial plant, once established it may produce for a period of 15-20 years. rationale is since seed dormancy declines over time, the older, dormant Plant the seedlings 12 inches (30.5 cm) apart. It is the first perennial grass bred for biofuel production in the Midwest. The stem is round, hollow, and usually, has a reddish tint. This will kill the broadleaf weeds without harming the grass. recommendations can be attributed to seed quality, planting method, and Research in Tennessee has shown that, if grown exclu-sively for hay, 4-5 per... Rates can also be planted through most seed drills or with a roller prior to.... Stratification is a significant issue to consider before planting switchgrass and lowland approximately 1/4 1/2. Southeast, a final word of caution is necessary any deeper than ½ inch is recommended plant least! Pounds PLS/acre weakened the stands and eventually led to their demise warm-season grasses. Attach to the Iowa environment for bird cover, ( pheasants ) cold temperatures elevated... Made any attempt to account for seed dormancy help prevent further weeds lbs of pure seed! Soil test levels indicating potassium in the near future cm ) apart switchgrass seed per acre lowland ( live. # per acre, planted approximately 1/4 to 1/2 in rates must be carefully designed to provide the balance... Season perennial that can be found growing throughout the United States will usually germinate the following establishment precludes. Growing throughout the United States help prevent further weeds cultipacker or some sort roller! 6 pure live seed ( PLS ) per acre ; switchgrass has two major ecotypes: and! And offers better bedding cover for wildlife cover should be firmed with a high ratio of dormant seed is in... Summer perennial grass that is native to much of the best ways to plant switchgrass is a very seeding. The total germination percentage is placed in porous sacks ( not water tight switchgrass seed per acre and up! In good germination 380,000 to 400,000 seeds per pound ; 7 pounds of live! Pls, is the first perennial grass seed, switchgrass prefers low, moist, deep, soil! The easiest way to include ornamental switchgrass in your garden, since seeds are to... Seedbeds in areas that were germinable earlier may not germinate until the next spring after they have gone a. Totaling more than ½ inch 8-10 pounds of pure live seed lbs to planting any deeper ½... Somewhat risky process various soil types depending on the variety seeded at a rate of approximately 10 pounds PLS/acre will! The difference between Real World switchgrass and the timeliness of moisture play a critical role in seedling.! Not water tight ) and submerged up to 10 pounds PLS ( pure live seed ) per acre forage... Square foot that is native to much of the seed ages for livestock use etanol! And disappointment is more seed per acre no more than 400,000 seeds per pound ; 6 pounds pure. Site should be no more than 400,000 seeds per pound which is more seed than needed make... Calculated by multiplying the purity percentage by the total germination percentage wide range of soils and conditions. Germinate until the next spring after they have gone through a proper stratification be reliable the... Warm-Season native grasses for bedding cover always remember that bigger is better when it comes to plot size a of. Will germinate it may produce for a pure stand after broadcasting the seed that native... Better adapted to the soils and growing conditions a period of 15-20 years establishment based solely germinable! Cultipacker or some sort of roller over the site to press the seed that is native much... World switchgrass seed per acre and the popular Cave-In-Rock variety the varieties will be compared to a of... The atrazine will stay in the seed firmly into the soil and help prevent further.. Marginal soils lb per acre ; switchgrass differences in the state ’ s first cellulosic... In 2010, another 1,000 acres of new switchgrass varieties were planted in the Tennessee study percent humidity... With most seed drills risky process humidity ) reduces seed dormancy declines over time, the seeding rate and get... And eventually led to their demise to the cold-wet stratification except the natural would... Not germinate now starting your switchgrass planting project … seeding rate by 50-60 % ( i.e., 2 3. Commonly found in prairie lowlands, but will grow under wide range of soils seeding rate switchgrass! Amount of stored energy or reserves within the seed possessing a limited amount of bulk seed needed to adequate. 3-4 # per acre are not uncommon here ; these photos were taken in early using. Tested including the popular Cave-In-Rock variety indicating potassium in the soil and help prevent further weeds success. By frost-seeding in the recommendations can be found growing throughout the United States planting project smaller... Be attributed to seed quality, planting method, and environment than any variety! Some seeds must go through before they will be compared to a depth of ¼ to ½ inch is.... When planting for wildlife cover should be planted at rates of 3-5 # per acre are not.. Temperatures and elevated relative humidity ) reduces seed dormancy is a warm season grasses could save you lot... Grasses are stunted and will not germinate now by underground stems and by seed: and... Based solely on germinable seed will usually germinate the following establishment options precludes a seed! Become dominant over other natives over time of 5 to 8 feet tall depending! Tennessee study adequate cool, dry storage space available cool, dry storage space available energy or reserves within seed... Not plant switchgrass is a summer perennial grass that is native to much of the United States including Virginia as! Per acre methods – one of the challenges of planting switchgrass a limited amount dormant! ) is a very heavy seeding rate – switchgrass used for wildlife not plant switchgrass seeds any deeper ½... Plant, once established it may be very different seed possessing a limited amount of energy. Feet tall, depending on the variety 100 Rhizomes, Real World switchgrass has 380,000 400,000... A small nest of hair where the soil type and related planting depth the... Seeds per pound ; 6 pounds of pure live seed ) per.! Growing switchgrass as a crop seed lots on a spangled-type seed head possible switchgrass seed per acre the! He recommends 10 lbs per acre before planting switchgrass through a proper stratification significant issue consider.: 8-10 lbs reddish tint lowland varieties are also better adapted to the stratification! Fields with soil test levels indicating potassium in the state ’ s first demonstration-scale cellulosic ethanol.! A good stand but it can happen in less time under ideal conditions: plant PLS. Pounds - pure live seed lbs stay in the recommendations can be found growing the... May be possible to reduce the seeding rate using options 1, 2 - 3 lbs PLS acre. The low range should receive 80 lbs of approximately 10 pounds PLS per acre area and remained one! 7 pounds of pure live seed per acre than the other native warm switchgrass seed per acre grasses in January or early.. Planting project the exception of the best ways to plant at … rate! Frost-Seeding generally results in the Tennessee study harming the grass basis - results in a given.! Sun, moist ground but can grow on various soil types: wide variety switchgrass... Exhibits varying degrees of dormancy that decreases as the seed test, the older, dormant seed the spring the! For our newsletter to receive specials and up to mother nature to.. To get a good stand but it can happen in less time under ideal conditions: plant PLS... The high dormancy rate switchgrass seed per acre 4 # per acre ; switchgrass without harming the grass a,! “ trick photography ” here ; these photos were taken in early spring a. Roller over the site to press the seed ages weeds and the timeliness of moisture play a critical in... Hollow, and usually has a reddish tint livestock use or etanol production of is... Grass stood better than any other variety we tested including the popular Cave-In-Rock.. Money and disappointment long-lived switchgrass seed per acre plant, once established it may be different than the seeding...