Perennial ryegrass will be the first species to germinate, generally 3-5 days after planting, and the other species will fill in over a 10-30 day period. ) is a leafy, sod-forming perennial grass that is best suited for hay or early spring pasture. per 1,000 square feet. Table of contents How Long Does Kentuck. If the soil is too cold, germination may be slow or. Planting Kentucky Bluegrass Seeds is an important step in creating a lush, healthy lawn. Because of this, the best time to plant a new lawn is in early fall. 5 pounds for 10,000 square feet. If you want to establish a lawn within a very short period of time then Kentucky 31 Tall Fescue would be an ideal option because its seeds take a shorter time to germinate as compared to Bluegrass. Although the optimum temperature range for rooting differs somewhat among turfgrass species, most cool-season turfgrasses produce the best root growth at soil temperatures between 50° and 65°F. Purchase 100% microclover seed. If you live in an area of the country where temperatures stay fairly consistent year round, you can typically plant warm-season grasses from early spring to. Note. ) and contain lower proportions of perennial ryegrass (PRG; Lolium perenne L. Weed competition from annual grass such as crabgrass, is also increased in the spring. Watch the grass grow! In this video Kentucky Bluegrass grows over 13 days. BEST BANG FOR THE BUCK: Pennington Smart Seed Dense Shade Grass Mix. Just a quick Kentucky Bluegrass Seed Update! We have pretty good germination at Josh's place at 18 days. It's 7 days! Top. Planting Kentucky Bluegrass Seeds is an important step in creating a lush, healthy lawn. during establishment and summer time when frequent irrigation. 63. Rates: NEW SEEDING:. Description. 9. cultivars/seed lots of rough bluegrass in vitro. Underground, the. To me, this is the magic of KBG. HGT® features the very best of Barenbrug's Kentucky bluegrass varieties. Add organic matter to the soil, if it is clayey. For complete renovation, 8 to 12 lbs per 1000 sq. Warm season grasses like Buffalograss and zoysiagrass are best establishedKentucky Bluegrass Germination. And then the germination rate is only about 80% because the seed varieties are terrible. It is a popular, dense, dark-green grass that. 14 to 30 days. 17 reviews. 2. In my experience, big seeded common or forage type varieties like Kenblue, which I believe is used in Scotts Pure Premium (check the label), as a rule, germinate in about half the time (10 days) as a typical elite type bluegrass. Apply just prior to expected annual bluegrass germination (late August or early September). Below are three examples of these mixtures. The two-week germination period for fescue seeds is a faster growth rate than other grasses. Refer to the seed label for the recommended amount of seed needed for the area to be covered. It is an excellent choice for home lawns, parks or sod production. Establishment and Aftercare – Control weeds and promote the establishment andKentucky bluegrass: Often found in climate zones 2 through 7, Kentucky bluegrass is a winter-hardy and fine-textured bluegrass. The objective was to determine the germination rate, seedling vigor, and seed phenotype of Kentucky bluegrass cultivars. Priming Kentucky bluegrass seed, with initial hydration followed by air drying, in creased germination speed and seedling fresh mass (Pill et al. mean turfgrass quality ratings of kentucky bluegrass cultivarsgrown under low input at eleven locations using 1. You can plant Kentucky bluegrass on its own or combine several varieties. Product Information. The best time to plant Kentucky bluegrass seed is in the fall when the soil temperatures are between 50-65 degrees F (10-18. Cool-season grasses, such as Kentucky bluegrass or the fescues, may be seeded any time from midspring to early fall, but late summer is the optimum seeding time in northern Utah. If you've taken the time to get a kentucky bluegrass. Here is a general timeline to provide you with an idea of what to expect during the germination process: Turf 101: Optimum temperatures for seed germination. Lower your lawn mower to its lowest setting and mow it two to three times. It has been 90-105 everyday since the beginning of June. The objective of our study was to evaluate establishment rate and. 0 Plus™. It grows so quickly that the lawn can be mow-able in about five to seven days from spreading seeds. Previous research (Christians et al. BEST WARM-SEASON: TifBlair Centipede Grass Seed. Viable seed can be produced just a few days after pollination, which allows the plant to reseed even in frequently mowed turf. Alta was selected from a stand of tall fescue in Oregon in 1923 and K-31 is an increase from tall fescue found in 1931 on a Kentucky farm where it had been growing for 50 years. Kentucky bluegrass is considered by many as the ideal lawn grass. However, the current embryological information is fragmentary for Kentucky bluegrass (Poa pratensis L. When planting a new lawn with micro clover, prepare the top 4 to 6 inches of your soil by tilling and adding compost. Fine Fescue Today we mow Josh's newly seeded Kentucky Bluegrass Lawn. 30% Other. Buy Now. Kentucky bluegrass can be established from seed or sod with equal success. For best results, keep kids, pets, and lawn mowers off newly planted seedlings until the grass is 3 inches high. ) is 1-3. Once it gets going, Kentucky bluegrass spreads rapidly, but getting new seed to that stage can take some time. 2016), this concentration is considered as mild saline solution. My license number is AL-0053865. Kentucky bluegrass, prized for its lovely blue tinge and soft-bladed friendliness is a popular turf grass for home lawns, where it usually is planted in a mix that includes deeper-rooted fescues. Growth Habit – Kentucky Bluegrass spreads laterally and is better for a thick, full lawn. As low as $20. , 1997). Bass (2)~ concluded after a detailed study of the factors affecting germination of Kentucky bluegrass that the stage of maFall is the best time for renovation and seeding of cool-season lawns. Application or Use: Lawn, Turf, Golf Courses, Parks & Recreation, Athletic Fields; Germination Time: 14 - 21 days, under optimal conditionsKentucky bluegrass is a popular choice for lawns due to its lush texture and ability to withstand foot traffic. A mixture of tall fescue (90-95%) and Kentucky bluegrass (5-10%) will help provide a uniform establishment. 7K views 2 years ago I'm into my third and soon to be fourth KBG renovation and I want to make it absolutely clear that you do not need to worry about it coming in kind of thin. *Minimum of 4 weeks of daily irrigation to allow Kentucky Bluegrasses to. The aggressive growth drives roots that make Kentucky bluegrass extremely drought tolerant as well. I will keep a close eye and watering that area to see whether those seedlings can survive the summer heat. Seed germination is related to soil temperature. 50% of those 10 lb is a useless seed coating. Prevents soil erosion. KY-31 Tall Fescue at a Glance. Saves water. 0 Plus™ is a unique high density 80/20 Blue-Rye turf mixture with a superb fibrous root system that is credited to Hampton (The Root Monster) along with a diverse formulation of other "Super Elite" high performance Kentucky Bluegrasses and top-performance Benchmark Perennial Ryegrass. When mowed regularly, clippings filter down through the grass. Rapid seed germination and development are critical to managing these high wear areas. Midnight, if conditions are right, can germinate in as little as 7 days. To avoid smothering seedlings, partially remove mulch after germination occurs and 2–3 inch roots develop. The best time to plant Kentucky bluegrass is in the early fall or spring when the soil temperatures are cooler but still warm enough for germination. One of the cool things about Kentucky Bluegrass are the Rhizomes. Centipede grass: 14 to 21 days to germinate. The objectives of this research were to determine the effect of water aeration, seed soaking duration, and water temperature on mean germination time (MGT) and. The main stem is basically an extension of the flower stem. a. Ryegrass germination time is about a week, while the Bluegrass portion will take at least two weeks to sprout. These can be sowed in chilly temperatures, yet meager expansion and grass malfunction can still occur. S. The germination time for most types of grass seed ranges from 5 to 30 days depending on the variety you plant. BEST BANG FOR THE BUCK: Vigoro Bermuda Grass Seed Blend. Cumulative germination of Kentucky bluegrass (Poa pratensis) seeds from two seed lots of different quality, exposed to either photosynthetically active radiation (PAR, 400–700 nm; control. Wear Resistance. Kentucky bluegrass is considered by many as the ideal lawn grass. Kentucky bluegrass seed takes anywhere from two to five weeks to germinate. Drought tolerant: Traditional. 4M views 5 years ago. Kentucky bluegrass but has a distinct blue-green foliage, flattened wiry stems and short compact panicles. . The water was poured off and. The optimal time for perennial ryegrass seeds to germinate is either in the early spring or early fall (early fall tends to be better because the grass has more time to prepare itself for the stress of summer). Photo by Brenda Ryan . We cut the lawn first with the. Some varieties vulnerable to stress damage. , 2001). Kentucky Bluegrass prefers full sun; Kentucky Bluegrass seed requires watering to germinate;. WeatherAre you thinking about seeding KENTUCKY BLUEGRASS? Before you do, there are a few things you should know. turf_toes Posts: 6031 Joined: December 17th, 2008, 8:46 pm Location: Central NJ. If you live in an area of the country where temperatures stay fairly consistent year round, you can typically plant warm-season grasses from early spring to late fall. Both of these grasses are coarse textured and produce a rather weak turf. Fungus tends to thrive in grass with high levels of thatch. So lets just say my lawn was looking pretty ugly for a couple of weeks. , 2004) assessed the size of Kentucky bluegrass seed throughMixtures of turfgrass seed are commonly used to establish lawns, with kentucky bluegrass (KBG) and perennial ryegrass (PRG) comprising two of the more commonly used species. It also helps to get the seed down before the leaves begin. In summer and during major drought periods, water Kentucky bluegrass whenever the soil is dry to a depth of 5 cm. 1-2. Zhang et al. In my experience, big seeded common or forage type varieties like Kenblue, which I believe is used in Scotts Pure Premium (check the label), as a rule, germinate in about half the time (10 days) as a typical elite type bluegrass. Perennial Ryegrass. For example, a 10 lb bag is actually only about three or four pounds of useful seed. Kentucky bluegrass: It typically takes two to four weeks for Kentucky bluegrass to germinate. With faster. Next, loosen the soil with a rake or aerator to ensure good seed-to-soil contact. The objective was to determine the germination rate, seedling vigor, and seed phenotype of Kentucky bluegrass cultivars. Many factors influence germination speed. Kentucky bluegrass is a perennial, cool-season lawn grass. Expected germination time (days) Annual ryegrass: 5 - 10 : Bermudagrass (Seeded) 10 - 30 : Buffalograss: 14 - 30 : Colonial bentgrass: 10 - 14 : Creeping bentgrass: 10 - 14 : Hard fescue: 7 - 14 : Kentucky bluegrass Hydroseed Time Lapse With Pictures. This allows the grass to establish itself before the stress of summer heat or winter cold. Kentucky bluegrass: 1. This means that Kentucky Bluegrass can be used in lawns, and is a good grass to use in parks as an attractive border. EZ Straw grass seed germination blanket is clean processed straw. Brede In this case, add 6 oz. Midnight, like all bluegrasses, requires about 3 weeks for complete germination. KBG is the primary spreading grass type for cool season folks. Sports field construction contracts in cool-season areas often stipulate a 9- to 12-month period between seeding and opening for play. The objective was to determine the germination rate, seedling vigor, and seed phenotype of Kentucky bluegrass cultivars. Watering. Results showed that shoot dry weight (SDW), root dry weight. Don’t wait too long to plant the seeds in the fall, however, since they need enough time to germinate before the first frost. ), is one of four cool season grasses that provide the backbone of forage systems in Kentucky. Since Kentucky bluegrass is a cool-season plant, its germination time will begin once the temperature starts to cool down. 13 lbs. Fescue seeds takes approximately 14 to 21 days to germinate. Crabgrass seeds are dormant for a short period of time after they shed from plants. In southern regions (zones 8-9), Kentucky Bluegrass is less commonly planted due to the warm climate. Jonathan Green Black Beauty grass seed mixtures are primarily made up of tall fescue, perennial ryegrass, and Kentucky bluegrass. In the mountain meadows of Oregon, the northern pocket gopher, mice, and Columbian ground squirrel feed off of the dominating Kentucky bluegrass. You want to wait until the soil temperature falls to 50 degrees to 65 degrees Fahrenheit to get the best germination from your fescue seeds. per 1,000 square feet. Saves water. 1. Seed germination and grass establishment are slow, and weeds may become a problem if an area is seeded in late spring or early summer. Reicher et al. ) cultivars and to investigate the physiological responses of shoots and roots to WL. 6, or 9. Seed from a mother plant (children) is essentially identical to the parent plant. I figure that is at least another couple of weeks. Dormie is theKentucky bluegrass has better disease, drought, and wear tolerance the perennial ryegrass, but is very slow to germinate. Use a sharp mower blade for the best quality cut. Contact me at [email protected] germination and subsequent seedling development are critical to managing high traffic. Choose The Right Time. Typically if I'm doing a mix seeding I'll do a flower pot of just the bluegrass I'm adding, and keep up the vigorous watering 3 - 5 days after it comes up in the flowerpot. The annual form of annual bluegrass is a rapid and prolific seeder. Bare Spot Repair. Stop after you have gone over the area once. It will take Kentucky bluegrass seed at least. Seeds will germinate A Laboratory research at Jacklin Seed Co. This is a time-lapse of my new lawn growing from seed. For optimal germination, plant tall fescue when soil temperatures are between 50°F and 65. Bluegrass and ryegrass do not perform well in the shade, so creeping red fescue is a great addition to this mix for its shade tolerance. Remain patient and follow Kentucky Bluegrass water requirements until it begins to take root. However, some grass seeds can germinate at lower temperatures depending on the species and variety of grass seed used. When planting grass seed in Massachusetts, you'll want to put the seeds in the ground between August 15 and September 15. If you want a grass variety that is economical and easy to take. The best time of the year to successfully start grass seed in Connecticut is between August 15 and September 15. Hence bluegrass and perennial ryegrass are often used in the same mix to get the best of both worlds. 56 kg/ha 14 DAE without risk of injury. 7°C), while Kentucky bluegrass has been observed to germinate in temperatures as low as 32°F. Expected time (days) Annual ryegrass. 0 Traditional Kentucky bluegrass thrives in full sun, but it does perform moderately well in partially shaded areas. 15%Aries Kentucky Bluegrass, germination 80%, origin OR. Generally speaking, grass seed takes 3 to 28 days to germinate. If you live in a. ) is 1–3. ). Planting Kentucky Bluegrass. At that point, apply starter fertilizer. (30 C), and water just the tips every two weeks. It takes eight weeks or more for those tiny green, Kentucky bluegrass sprouts -- telltale signs of success -- to form dense growth. If you want a grass variety that is economical and easy to take. Kentucky Bluegrass Classification Limousine (Aggressive) Recommended Other These charts are for general observation only. You know it's time to mow when the grass is a couple of weeks post germination. Air temperature is 80+, after 3 days. That generally equates to days when air temperature consistently hits 60 to 75 degrees. Cover the seeds lightly with soil when spread and lightly compact the soil to help ensure germination occurs. The soil needs to be warm enough for germination and root development so that it will survive through the winter. Black Beauty Ultra® Grass Seed. 4 Ft. may be needed. It thrives in full sun but goes dormant in dry, hot weather. Germination Time - Medium to slow 17 to 21 days is normal in spring and fall with irrigationKentucky bluegrass ( Poa pratensis) grows 18 to 24 inches tall and is readily identified by its boat-shaped leaf tip. Germination. Planting Kentucky Bluegrass. Grass sowing and grass growing time lapse. It is a fine-bladed grass that is ideal for high-traffic areas of the yard. So 10 days after seeding KBG is perfectly fine to see little to no green grass. Southern (warm-season) grasses: Suited for tropical and subtropical climates. Perennial ryegrass will typically germinate in 7-14 days, tall and fine fescues will germinate in 10-20 days, and Kentucky bluegrass can take up to 21-28 days to germinate. Pre-chilling at 10°C (50°F) or alternating temperatures increases germination rates (Klein 2008). quality ratings:table 6. Allow the bluegrass to go dormant in high-heat conditions above 85 degrees F. Temperatures are currently normal for early September, and history suggest it will continue to drop in October. 0 Plus. Nevertheless, determined homeowners in warmer states can achieve lush results despite the climate, if they keep a strong irrigation system in place. 5 to 2. Bars with different lettering are. Easy to cut and use. Bentgrass: Bentgrass seeds usually grow in 10-14 days. “non-spreading”) cool-season grass that germinates quickly after seeding. Many intensively trafficked areas such as athletic fields and golf courses require constant overseeding to maintain suitable turfgrass cover. Therefore, enhanced genetic diversity in Kentucky bluegrass seed for the end. The best time to plant Kentucky bluegrass seed is in the fall when the soil temperatures are between 50-65 degrees F (10-18. Compare this to centipede grass, which takes an average of 3 weeks to sprout, or Kentucky Bluegrass, which can take from 3 to 4 weeks to germinate. This means you won’t be able to train deeper roots this time of year. lodged from the head. - Grass Seed Germination and Grass Growing Time Lapse (Time-Lapse Photography) over the course of about 10 days available. 0. The height of the grass should be kept at around 3 inches. The seeds are sown onto the soil surface. Bluegrass & Newgrass Music in Kentucky. In steep areas, erosion control matting with nylon netting or jute can also be applied over seeded areas and left in place after germination. This residential hydroseeding project was started on August 23, 2016 in the upper Midwest. BEST COOL-SEASON: Scotts Turf Builder Kentucky Bluegrass Mix Seed. 10% Wildhorse Kentucky Bluegrass, germination 80%, orgin WA. It is a popular, dense, dark-green grass that grows well in cooler months and is hardy in all USDA hardiness zones, according to the USDA Maryland Conservation Planting Guide. 1. ) is 1–2 feet tall, has flat, wiry stems and narrow, blue-green blades. Cool season grasses, such as Kentucky Bluegrass, Fescues, and Ryegrass, germinate best when the soil temperatures are between 50-65°F. Soil temperature at the time of seeding was 83 degrees. , to give the grass time to dry completely. k. After three years, there was an 80 to 95 percent decline in ryegrass while the bluegrass increased making up as much as 95% of the grass species population. 1baruzo 3. At Jonathan Green, we mix elite varieties of Kentucky Bluegrass seed as well as tall fescue and perennial ryegrass to create our Black Beauty ® Ultra grass seed mixture. seed harvested in the summer may have a short-term dormancy factor so it. Like other cool-season grasses, the best time to sow bluegrass is during the fall, during its peak growing season. Thrive between temps 60-75 ⁰F. Introduction Kentucky bluegrass, ( Poa pratensis L. ∙ More rapid Kentucky bluegrass germination was associated with longer and more linear-shaped seed. Regular and robust irrigation promotes deep root growth and greater grass longevity. 2016), this concentration is considered as mild saline solution. You want to wait until the soil temperature falls to 50 degrees to 65 degrees Fahrenheit to get the best germination from your fescue seeds. The grass was developing extremely fast and strong with lots of. Kentucky bluegrass is a turfgrass with a panicle-type seed head. BABE Kentucky bluegrass has very good performance versus the fungal diseases dollar spot and summer patch, Use BABE Kentucky bluegrass as a component in your turfgrass mixes to offer an excellent and versatile choice for great looking turf. Prevents soil erosion. One of the best ways to improve the soil is by tilling in good quality organic matter (e. In southern regions (zones 8-9), Kentucky Bluegrass is less commonly planted due to the warm climate. 97% said Tenacity delivers consistently good results for their customers. Highlights of this solid performer include rapid establishment and year. Kentucky bluegrass is well-adapted to eastern Washington’s soil and climate and can be planted as monostands or mixtures. ft. Introduction may have been accidental in many regions, but Kentucky bluegrass has also been planted in many areas as forage and for erosion control (Carrier and Bort 1916; Huff 2003; USDA. Due to Barvette HGT's smaller seed size, 35% blend composition acts more like 50%. Since our grass seed varieties often are made up of multiple types of cool-season seed, you are likely to see the first. Kentucky Bluegrass (KBG) KBG is the primary recreational turfgrass, and with proper management, forms a fine-textured, high quality, long lasting turf. However, germination time can vary depending on factors such as temperature, moisture, and seed quality. ) is 1-3 ft (30-91 cm) tall, with yellow-green leaves 1-8” (2. Spring planting can be done as early as the ground can be worked, but. Remember, germination occurs underground and what you see above ground is well after that. Non-toxic, biodegradable. The optimal time for planting Kentucky bluegrass varies depending on your climate and location. Germination can take longer if the soil surface lacks moisture, the soil surface temperature is cold or old or poor quality seed is used. In some studies as much as 95% in three years. Introduction: Kentucky bluegrass has long been the most important cool season grass planted as turf. com Great spring green up Reduced top growth Good drought recovery and wear tolerance Scan for more information on Jacklin bluegrasses New Jersey Trial Loca on, 3rd Week of May, Non‐Irrigated, Natural Rain Water OnlyTall fescue needs mowing often due to its fast growth habit. The rate of ryegrass decline was measured and the percentage of bluegrass was also measured. Kentucky Bluegrass Growth under Saline, Waterlogging, and Saline-waterlogging Conditions during the Germination and Seedling Growth Stage Kevin Rue and Qi Zhang* Department of Plant Sciences, North Dakota State University, Department # 7670, P. Seeding/Planting – Select seed mixes and seeding methods that are well suited to the site and project goals. It is believed that Kentucky bluegrass originally came from the northern latitudes of Eurasia, but it is now present in in favorable climates worldwide. The best time to seed cool-season grasses such as Kentucky bluegrass or tall fescue is from mid-August to late September. ) is the most widely used cool-season turfgrass for athletic fields, but its seeds germinate slowly. Temperatures are currently normal for early September, and history suggest it will continue to drop in October. 63. germination by 20% and 30%, respectively (Takabe et al. Some varieties susceptible to heat and drought. Posts: 6031. Kentucky Bluegrass Fine Fescue Kentucky-31 Tall Fescue Perennial Ryegrass Figure 2. When it is time to sow the seeds, mow the lawn slightly. Ryegrass: Ryegrass seeds usually grow in 5-10 days. 5 inches; Buffalograss: 1 to 2 inches; Ways to Hydroseed, Step by Step guideSeed of lower purity and germination has to be seeded at higher rates to compensate for lower Pure Live Seed (PLS) content. Kentucky bluegrass required. Bentgrass - cool-season, USDA zones lower 4 to 6, plant in spring or fall (fall is best) Bermudagrass - warm-season, USDA zones 7 to 10, plant March through August. 13 lbs. Plant seed in the spring or fall when daily average soil temperatures are consistently between 55°F and 70°F, or air temperatures between 60°F and 80°F or 70°F and 90°F depending on the product . ∙ It may be possible to establish turf more quickly through Kentucky bluegrass cultivar selection. August 1st – September 15th is a great time frame. We’ve just entered the optimum seeding window for cool-season grasses throughout the state of Indiana. Step 9. The best time to plant Kentucky bluegrass is in the spring when the temperatures are cool but not cold. Summary. Previous research (Christians et al. Hancock's Kentucky Bluegrass is known for its early spring green-up and remains dark green and dense all season long. Perennial ryegrass is a bunch-type (a. For this cool-season grass, it’s crucial to sow the seeds at the appropriate time, ideally in the early fall or spring since it’s seeds germinate best when soil temperatures are between 50 and 65 degrees Fahrenheit. Common cool-season grasses are tall fescue, ryegrass, Kentucky bluegrass, red fescue, chewings fescue, and. The video starts 6 days after sowing the seed, just as the first signs of grass are starting to appear. ). Individual performance of. Whereas Kentucky bluegrass is a rhizome-forming grass, ryegrass is a bunchgrass, and it has a rather shallow root system. Scotts Turf Builder Seed Kentucky Bluegrass Seed Mix. , 2004). Bermudagrass (Seeded) 10 - 30. Kentucky bluegrass prefers full sun, but will tolerate some shade. Kentucky bluegrass is often planted in the fall from September to November or late. Cool season grasses can be established in early spring. Germination Time Frame. 157 Share 8. Keep it moist. Compare this to centipede grass, which takes an average of 3 weeks to sprout, or Kentucky Bluegrass, which can take from 3 to 4 weeks to germinate. Level: Not Specified. Root growth in bluegrass slows when soil temperatures rise above 70 degrees and stops completely above 80 degrees. What factors can influence the establishment time of Kentucky. However, germination and growing into a full lush lawn takes a little longer, approximately 2 – 5 weeks. Abstract. If this happens the cells are pierced by the frozen ice crystals resulting in a brown and unsightly lawn come spring. Kentucky. It is found that seed coating has minimal effects on establishment of turfgrass species and did have a positive effect on the germination time of Kentucky bluegrass in a sandy loam soil, but did not improve germinationTime or percentage emergence in the other soil types. Dithiopyr could be applied as early as 3 DAE on sites with heavy large crabgrass. Then a tall fescue variety known as Kentucky 31 made the leap from pasture to turf — and became an important part of Pennington Seed's history in the process. ) is the most widely used cool-season turfgrass for athletic fields, but its seeds germinate slowly. In my experience, Kentucky bluegrass (KBG) seed germination takes up to 2-4 weeks under favorable conditions. Perennial ryegrass germination rates range from four to 10 days for most cultivars. Improved heat tolerance over many tall fescue varieties. Light fertilisation. Bluegrass is able to do this by the way it spreads. Annual bluegrass (Poa annua) and rough bluegrass (Poa trivialis) are common weeds on golf courses, but are now becoming a problem on highly maintained lawns and athletic fields. You know it's time to mow when the grass is a couple of weeks post germination. . Kentucky 31, also known as K-31 or KY-31, is drought resistant, has improved heat tolerance, and is easy to establish, making it a favorite among homeowners. .