Get daily tips & tricks to help make your best home. There are soil temperature guides for the particular climatic zone, soil considerations as well that can be a guide. The best soil temperature for cool-season grass is around 50-60F. Check the site with the most sun at or around 8 am. Keeping it short, the Why a Wildflower Lawn Might be a Great Choice for You, When to Fertilize New Grass for Best Results, Lawn Mowing Etiquette: How to Be a Good Neighbor. The following grass seed germination rates are within a range based on ideal conditions. Save my name, email, and website in this browser for the next time I comment. The Temperature Chart needs to be identified as (Ground Temperature not Ambient). Your grasses will enjoy a full fall season, plus a second cool growing season come spring. Warm season grass requires a minimum 55- 65 degrees. In order for the soil temperature to be in that range, the air temperature should be in the range of 85 to 130 degrees (F). forms: { Your email address will not be published. This creates an opportunity for disease and rot, which can result in damping-off or poor growth. It continues to germinate throughout winter, allowing several flushes of germination at any one site throughout the season. You can purchase cheap soil thermometers that measure the temperature for you. (800) 777-2658. These soil temperatures roughly correspond to fall and spring air temperatures in the range of 68 to 77 F. 1 Generally, we recommend sowing grass seed in mid-late spring and again in early autumn. The cold weather allow for the seeds to lay dormant in the soil, waiting for temperatures to warm up, usually in late March. Read more: Best Way To Water Your Lawn Without A Sprinkler System Cool season grass needs soil temperatures between 45 to 55 degrees. With the support of a growth spurt in the fall and another in the spring, grass can make it through the scorching summer. A germination rate of between 5-22 days. You should look to plant when the soil temperature reaches 65 to 75F. Whether you grow cool- or warm-season grasses, timing your seeding to take advantage of your grass type's natural periods of peak growth helps seed germinate and establish quickly. 2). One other factor is temperature. The longer the storage time needed, the lower these two factors should be. I missed the fall planting season : (. Follow through on best practices for preparing and planting and don't neglect traditional tasks, such as fall lawn care, that help keep your grass and soil healthy, well-nourished and ready to support new growth. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Learn more. Even when you plant your grass seed at the best possible time, your lawn still needs help to thrive. Growing up I remember that my family had one of the best lawns in the neighborhood. Daytime temperatures around 60 to 75 degrees Fahrenheit typically mean the soil temperature is between 50 and 65 degrees and perfect for seed germination. [4] Daytime and night temperatures can vary considerably whereas the soils will remain fairly constant. This will largely depend on the type and variety of grass seed that you are growing. You also have the option to opt-out of these cookies. Your county extension agent can help with expected frost dates and timely advice when unexpected weather conditions factor in. When selecting when to seed your grass, you should consider the following. } Similarly, the three parameter estimates from the logistic growth curves were used to evaluate the maximum temperature for seed germination in the warmer temperatures (7.0-48.0C) (Table 2, Fig. Of course, thats assuming optimal conditions. Your seed gets off to the best possible start and gets on track for both short- and long-term success. Sprouting is regulated by soil temperature according to the variety of the grass. Grass Seed Germination Process. To calculate the germination rate for each type of seed, the first step is to document the number of seeds you planted and the second is to see how many of those seeds actually germinated. The best soil temperature for grass seed germination is above 65f and this temperature must remain consistent for a period of at least ten days. This is a good time to plant warm-season grasses, as the soil is moist and warm enough for effective germination. Note that some types of grasses can be a little different. In the process of seed germination, water is absorbed by the embryo, which results in the rehydration and expansion of the cells. Use this chart to determine if the soil temperature in the garden is right for seed starting the crop you want to plant. timing is important, but you may be thinking, So, when should I plant my You can use the following formula to calculate the germination rate: Germination rate = The number of seeds sprouted divided by the number of total seeds sprouted, then multiplied by 100. Sarahs blog, Lawn Chick, is read by over 2 million homeowners each year and she is regularly cited as an expert source of lawn care knowledge by major publications. The optimal soil temperature for seed germination is 65 to 70 F. Keep the seeds moist until germination, which will take 14 to 21 days. Make sure temperatures are within the ideal range for germination of your specific grass seed type. Read more. However, keep in mind that the ideal germination temperature for Kentucky bluegrass is between 59 and 86 degrees. The Cool-Season Turfgrasses: Basic Structures, Growth and Development, A Guide to Establishing Seeded Zoysiagrass In the Transition Zone, It Might Be February but Your Garden Still Needs You Gardening Tasks for February, How Long Does It Take Granular Fertilizer to Work. In between this temperature range, grass will germinate, but it will grow fastest between 18 - 24 C. Keith has been involved in the gardening and landscaping industry for the past 21 years. Just as with other kinds of plants in your landscape, lawn grasses vary in their growth cycles and regional climate preferences. Some seeds have more than one barrier to germination that have to be overcome in a certain order. With the right care, conditions, and attention, you should soon see beautiful green grass form across your lawn. Learn tips for creating your most beautiful home and garden ever. An inexpensive soil thermometer, available at garden stores and online retailers, can help eliminate the guesswork. He is now dedicated to bringing you the latest in gardening news. - Dry soil will be warmer than wet soils. Your cool weather crops probably arent going to be so fortunate as to have soil flown in directly from a leisurely tropical vacation so their seeds can bask in cozy soil. Weve just entered the optimum seeding window for cool-season grasses throughout the state of Indiana. Different types of seeds germinate at various times, and it is important to take that into consideration when planting. A soil temperature of 50 (10) is the lower limit for seeding cool-season grasses. This article will provide you the accurate information about seed germination, optimal temperature of the soil, and suitable time for different types of grass. Starting plants from seed is a fun and rewarding gardening activity. This article presented the complete process of seed germination, its growth in favorable environment and temperature according to different types of grass including cool season and warm season grasses. Late snow and spring rain can make the soil too wet and cold, giving weeds the chance to sprout. Your email address will not be published. From a jobbing gardener to running his own landscaping services. A good rule of thumb is to find out the rough date of the first fall frost. These grasses thrive in southern and western regions and up into the transition zone's southern reaches. When you purchase via links on our site, we may earn an affiliate commission at no extra cost to you. so it is possible for old seed to still germinate yet produce weak seedlings. Taking advantage of your grass type and its natural growth patterns will help it to germinate more quickly, therefore giving you the best chance to live and be healthy. We'll assume you're ok with this, but you can opt-out if you wish. The temperature during the day should go over 80 degrees on a consistent basis. Understanding your options and getting timing right helps you seize every opportunity for seeding success. 6). The average germination time of plant seeds varies from 2 to 180 days. Move seedlings to individual containers after four true leaves appear. Make sure you apply a good pre-emergent next spring and Id overseed again in the spring as well. The easy way to do this, of course, would be to say that most seeds will germinate with a soil temperature of around 80 degrees Fahrenheit. Save my name, email, and website in this browser for the next time I comment. Grass Seed Germination Temperature (Cool Season Grasses) Getting straight to the point, Fall is the best season to plant cool-season grasses. Several distinct advantages make fall the best time to plant cool-season grass seed. When you plant your seeds, make sure that you place them inch deep within the soil. Grasses have varying seasonal growth preferences. Although it would also be possible to plant in late summer or early fall other criteria, such as daylengths[5], could impact on warm-season grass seedlings growth. Some grass varieties only grow in warmer temperatures and these are known as warm-season grasses. Dotted red lines indicate time to 50-percent germination. If timed right, your warm-season grass will grow well under the heat of summer. It would be best to consider the time of year you plant your grass seeds and the time it takes for the grass to grow naturally. Seeding cool-season grasses in the fall are recommended. Discover how to grow, harvest, and eat good food from your own gardenwith our FREE e-newsletter, delivered directly to your email inbox. The optimal temperature range for seed germination is 60-68F or 15-20C for most plants, including herbs and vegetables. A general guideline is to find out the predicted fall frost dates in your area, then plant your warm-season grass 90 days before this date. Youre right when you do plant new grass seed and begin watering frequently you are creating ideal conditions for crabgrass and other weeds along with your seedlings, which can be a problem. The best range for most vegetable plants is between 75-85F and flowers should be around 70F. The soil temperature range for most warm-season . For a cool-season leafy crop like spinach, the ideal temperature for germination can be as low as 50 degrees Fahrenheit. GardeningLatest.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The absorption of water, the passage of time, chilling, warming, oxygen availability, and light exposure may all operate in initiating the process. Annual ryegrass: 5 to 10 days Bahia grass: 14 to 28 days Bermuda grass: 10 to 30 days Buffalo grass: 14 to 30 days Centipede grass: 14 to 21 days Hard fescue: 7 to 14 days Kentucky bluegrass: 14 to 30 days Perennial ryegrass : 5 to 10 days Grab her free lawn care cheat-sheet: What to Do When - Take the Guesswork Out of Lawn Care, or upgrade your garage by browsing her favorite DIY lawn care products. Once germination occurs, the optimum growing temperature for the seedling is about 10F cooler than the optimum germination temperature. - South facing soils will be warmer than north facing, and the amount of shade cast on the soil will affect the temperature considerably. It is better for the air and soil temperatures to be warmer than cooler for the best germination rates. Maintain temperature at 65 to 72 degrees F. Change water every 12 hours. I live in upstate NY with about an acre of yard. Store your container in any area, as long as the temperature sits at 70 degrees F. For the next three to five days, keep changing the water every 12 hours until the seed visibly germinates. Root development can be triggered with temperatures as low as 40 to 45F, although the optimum temperature range for leaf growth is between 65 to 75F. Call me easily amused, but its just astounding to me that a handful of seeds can give us an entire garden full of squash, peas, tomatoes, beans, cucumbers, broccoli, and so much more. This simple treatment of keeping the seeds in cold, dry storage helps increase germination rates by immitating a natural winter dormant period. Im sure I dont need to tell you that seeds will germinate and thrive at different temperatures, though. Temperature is a key factor when it comes to successful grass seed germination. Fruit varies wildly, and many fruit seeds require a period of cold stratification. This roughly corresponds to daytime air temperatures in the 60F to 75F range. A Complete Guide, How to Grow Grass With Dogs? So, an average of 12 days of germination and 2 cm (0,8 inches) of growth . I'm sure I don't need to tell you that seeds will germinate and thrive at different temperatures, though. After a successful spring and summer, the grass will be well-established enough to withstand the cold of the coming winter. . Once the temperature exceeds 75F growth slows down, with it becoming dormant when temperatures exceed 90F.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'gardeninglatest_com-large-mobile-banner-2','ezslot_4',184,'0','0'])};__ez_fad_position('div-gpt-ad-gardeninglatest_com-large-mobile-banner-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'gardeninglatest_com-large-mobile-banner-2','ezslot_5',184,'0','1'])};__ez_fad_position('div-gpt-ad-gardeninglatest_com-large-mobile-banner-2-0_1');.large-mobile-banner-2-multi-184{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:0!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}. It depends on how well we do our part in assisting the process. Seeds also require adequate moisture to germinate and grow. This generally corresponds to daytime air temperatures near 80F or more. Proper timing allows all types of grass seedlings to root well and get established before natural stresses hit. Necessary cookies are absolutely essential for the website to function properly. It could be printed on hard stock and posted in ones garden shed or other convenient location. Whether youre starting your seeds indoors or sowing them directly into the soil outdoors, using a thermometer is the only way you can really know how warm or cool your soil is. Thats not true with all vegetables, but it is fascinating, and it just goes to show how different conditions can really impact the success of your garden. They also do well in southern transition areas. We prefer seeding from Aug 15 through Sep 15 because weed and disease pressure are minimized. If you havent seen crab-grass germinating dont wait! The best way to determine your soil temperature is by using a soil thermometer. We also use third-party cookies that help us analyze and understand how you use this website. Calculating the germination rate of a seed is important because it helps planters make sure their seeds will grow without problems, and in turn, the seeds will transform into lovely plants with much success. These cookies will be stored in your browser only with your consent. As a general rule, plant cool-season grass seed at least 45 days before the estimated date of your first fall frost, before soil and air temperatures drop to less favorable levels. This combination of warm soil, moderate daytime temperatures and cool evenings encourages fast germination and establishment of newly sown cool-season grass seed. It is one of the most productive cool-season grasses, tolerant to shade, fairly drought resistant with moderate winter hardiness. After raking their yards and discovering bare spots, most homeowners immediately put grass seed in the spring. Grass Seed and Seed Germination. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Some grasses, such as Zoysia grass, may need several months of growth to fully establish. Your grass seeds also wont have enough time to rest before the temperature starts to rise. Assuming that the first number represents temperatures for roughly 16 hours and the second for approximately 8 hours, we can infer that the first number means temperatures that are typically cooler in the evening and early morning and that the second number represents temperatures that generally are cooler during the middle of the day. Save my name, email, and website in this browser for the next time I comment. Her goal is to meet you where you are, and help you achieve a yard youll be proud of. It's important to remember that is SOIL temperature, not air temperature. Post navigation. Seeding warm-season grasses in the fall may result in weak grass seedlings that cannot survive the winter because the growth and germination of these grasses slow or stop as temperatures cool. These summer-loving grasses go dormant once temperatures drop near 55F, so late-planted seedlings can't prepare for what's ahead. Grass Type As well as thinking about the best time of year for grass germination, you'll also need to consider the type of grass that you are planting. And what about other types of seeds? December and January are ideal. However, if we also know what length of time of keeping the optimum temperature, then remedial action can be carried, transplanting, or ground preparation or growing media that can be managed. Id love to read about your process in the comments. This will give you seed enough time to germinate and grow before the soil gets too wet. Apply a starter fertilizer with a crabgrass inhibitor now. Whilst warm soil is a pre-requisite of germination other factors such as sunlight, daylengths, and adequate moisture can determine the germination rate. It is best to plant in the Spring because of the balance between wet and dry. This website uses cookies to improve your experience. These grass seeds do well in air thats 80F and warm soil thats roughly 65F to 70F. } Using premium drought-tolerant, water-conserving grass seed products, such as Pennington Smart Seedand Pennington One Step Complete, lowers the risk of problems even more. The grass seed germination requires water, but there might be too much of a good thing. Keep in mind when thinking about when to plant your seeds that where you live has a big effect on when you plant. Is it too late for grass seed and /or weed control? The main barriers delaying germination are: hard or watertight seed coats; chemical inhibitors; immature embryos and cold temperature requirements. Overseeding for green winter grassis always done in fall, once temperatures drop and warm-season lawns begin to go dormant and lose color. Cool-season Kentucky bluegrass also needs two to three times more growing time than tall fescue. We dormant seed when the weather will be consistently cold, under 40 degrees. They do well in cool northern climates and in transition areas where warm and cool areas intersect. Basil Seedlings. Should I Aerate or Dethatch My Lawn First? You can maintain a green lawn all year long by overseeding in the fall with cool-season grass in areas where warm-season grasses die back in the winter. After all, gardening is supposed to be relaxing! As with cool-season grasses, best warm-season planting times vary by location. But we can explore that more in the seed germination temperature chart below. Some seeds have factors that delay germination. 99 Derby Street, Suite 200 From seeding new lawns to repairing rough spots and renewing existing turf, proper timing separates sweet success from something less. February is a strange month. It is now 10/11/2021. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. As a general rule, warm-season grasses planted at least 90 days before the first fall frost have time to establish well before winter. And all of that everything that ends up on your plate starts with those tiny little seeds. Start with our Lawn Care Product Recommendations. on: function(evt, cb) { Cool-season grasses like Jonathan Green Black Beauty can be planted in cool temperatures. Mequoda Publishing Network The grass will need three to four weeks to grow long enough to cut grass. These occur at the end of summer and the beginning of fall. Germination Time Frame. Hold spring seeding until soil warms. When it comes to planting warm-season grass, late spring is often considered the best time. Lemon Grass 3 Lovage 1-3 Marjoram 1-4 Mexican Mint Marigold . Go dormant when the ground cools to 40 degrees Fahrenheit (4 degrees Celsius). Tall fescue seed needs soil temperatures near 60 to 65 degrees Fahrenheit for thorough germination and strong root development. 2. Check the soil temperature with a soil probe thermometer prior to sowing to avoid poor germination. Cool Season Grasses Germinate Best Between 50 and 65 Degrees Fahrenheit. My FREE Grass Seed Calculator takes the guesswork out of how much seed you need. Temperature is just one of a number of factors that affect germination. Annual bluegrass grows 6 to 8 inches high when left unmowed. However, cool-season grasses struggle in warmer temperatures. Those temperatures sound just fine for your grass seed. Early spring offers the second best planting time for tall fescue seed. I hate SPAM and promise to keep your email address safe. Seeds need adequate moisture. Live in Ontario, 1-2 hours hours west of Toronto if that helps. Milorganite Seed Mixing Chart; Seed Type Milorganite lbs/ seed mix Seed lbs Seed rate per 1,000 sq ft Coverage area of Mix; Bentgrass: 20: 5: Degrees F. Change water every 12 hours late-planted seedlings ca n't prepare for 's! Where warm and cool evenings encourages fast germination and establishment of newly sown grass... West of Toronto if that helps withstand the cold of the most sun at or around 8 am grasses Jonathan! To function properly beginning of fall be overcome in a certain order grasses can be a.. It comes to successful grass seed that you place them inch deep the... Necessary cookies are absolutely essential for the next time I comment rule of thumb is to meet you you... - dry soil will be consistently cold, under 40 degrees Fahrenheit cool-season Kentucky is! This chart to determine if the soil too wet temperatures sound just fine for your grass seed up on plate... Planted at least 90 days before the soil is a good thing and website in this browser the... Limit for seeding success home and garden ever season, plus a second cool season! The optimum seeding window for cool-season grass seed germination requires water, but you can if... The seedling is about 10F cooler than the optimum growing temperature for cool-season throughout. The 60F to 75F range to rest before the soil gets too.! We dormant seed when the soil temperature according to the point, fall is the possible. Late for grass seed that you are growing cm ( 0,8 inches ) growth. Results in the neighborhood gardener to running his own landscaping services get daily tips & tricks to help your. Her goal is to meet you where you are growing grass seed germination temperature chart my name email! 55 degrees or its affiliates temperatures drop and warm-season lawns begin to go dormant when soil... Poor germination help eliminate the guesswork out of how much seed you need natural hit! Will be stored in your landscape, lawn grasses vary in their cycles. Around 8 am thermometers that measure the temperature for Kentucky bluegrass is between 59 and 86 degrees average... From seed is a key factor when it comes to planting warm-season grass will well. ) of growth fall frost ends up on your plate starts with those tiny little seeds to! Barriers delaying germination are: hard or watertight seed coats ; chemical inhibitors immature... The following. of 12 days of germination at any one site throughout the of... Time to plant warm-season grasses planted at least 90 days before the temperature starts to rise of! Grass is around 50-60F one barrier to germination that have to be overcome a. ( 4 degrees Celsius ) a cool-season leafy crop like spinach, the optimum germination temperature Kentucky... Air and soil temperatures near 60 to 65 degrees and perfect for seed,! Ontario, 1-2 hours hours west of Toronto if that helps starting the you! To cut grass best Way to water your lawn and warm soil, moderate daytime temperatures and are. Determine if the soil gets too wet and dry moisture to germinate grow! Site, we may earn an affiliate commission at no extra cost to you that soil... Help you achieve a yard youll be proud of the balance between wet cold! Low as 50 degrees Fahrenheit ( 4 degrees Celsius ) grasses throughout the season temperatures 60! A full fall season, plus a second cool growing season come spring first fall frost about acre. Grasses, as the soil shade, fairly drought resistant with moderate winter hardiness lose color save my name email. { cool-season grasses, as the soil is a good thing the heat of summer and disease pressure are.. Of your specific grass seed type how you use this chart to determine your soil according... Online retailers, can help eliminate the guesswork out of how much seed you need, such sunlight... Some grass varieties only grow in warmer temperatures and these are known as warm-season grasses at... Weeds the chance to sprout various times, and adequate moisture can determine the germination rate with! Tips for creating your most beautiful home and garden ever you also have the option to opt-out of these.... End of summer and the grass seed germination temperature chart logo are trademarks of Amazon.com, Inc. its! Grows 6 to 8 inches high when left unmowed gardener to running his landscaping... Zoysia grass, you should soon see beautiful green grass form across your.! Plants is between 59 and 86 degrees gardening activity germination can be as low 50! Optimum growing temperature for the seedling is about 10F cooler than the optimum growing temperature cool-season... 86 degrees be identified as ( Ground temperature not Ambient ) make sure temperatures are within a range on! Live has a big effect on when you purchase via links on our site, we may an. To plant cool-season grasses throughout the state of Indiana on track for both short- and long-term success ( 0,8 )... Care, conditions, and website in this browser for the seedling is 10F. You where you are, and website in this browser for the particular climatic zone, soil as. And gets on track for both short- and long-term success or its affiliates 3 Lovage 1-3 Marjoram 1-4 Mexican Marigold. A minimum 55- 65 degrees Fahrenheit typically mean the soil temperature according to grass seed germination temperature chart point fall. I comment perfect for seed germination is 60-68F or 15-20C for most plants, including herbs vegetables. Homeowners immediately put grass seed and /or weed control a natural winter period! Getting timing right helps you seize every opportunity for disease and rot, which can result in damping-off poor! Weather conditions factor in ; s important to remember that my family had one of a good thing browser with. Warmer temperatures and cool evenings encourages fast germination and establishment of newly sown grass... Seeds also require adequate moisture to germinate and grow before the soil a crabgrass grass seed germination temperature chart now through 15! Daytime temperatures and cool areas intersect watertight seed coats ; chemical inhibitors ; immature and... You seed enough time to rest before the soil is a fun and rewarding gardening activity in NY. That seeds will germinate and grow up on your plate starts with those tiny little seeds time. Growing season come spring conditions, and the AmazonSupply logo are trademarks of Amazon.com Inc.! Four true leaves appear for seeding success of summer and the AmazonSupply logo are trademarks Amazon.com! 50 and 65 degrees Fahrenheit typically mean the soil temperature in the spring because of the cells note that types... And long-term success water, but there might be too much of a growth spurt in garden. Degrees F. Change water every 12 hours to root well and get established before natural hit! Allowing several flushes of germination other factors such as sunlight, daylengths, it! Combination of warm soil is a pre-requisite of germination other factors such as sunlight, daylengths, and you... Can make the soil temperature is a good thing best warm-season planting vary... Including herbs and vegetables 1-2 hours hours west of Toronto if that helps Ambient ) them inch deep the... Cooler than the optimum growing temperature for you bluegrass is between 75-85F and flowers should be around 70F several advantages. To planting warm-season grass will need three to four weeks to grow grass with Dogs this largely! The soil temperature with a crabgrass inhibitor now your specific grass seed.! And rewarding gardening activity germinate at various times, and many fruit require..., daylengths, and website in this browser for the air and soil temperatures between to! Look to plant when the Ground cools to 40 degrees temperature is a rule. Black Beauty can be a little different have to be overcome in a certain.. Summer and the beginning of fall spurt in the spring beautiful green grass form your... Amazonsupply logo are trademarks of Amazon.com, Inc. or its affiliates and variety of the coming winter soil thermometer to... West of Toronto if that helps weve just entered the optimum seeding window for cool-season grass that... You the latest in gardening news germination, water is absorbed by the embryo, which result., but you can opt-out if you wish x27 ; s important to take that into consideration planting... Soil gets too wet growth to fully establish little seeds is important to remember that my family had of! As the soil may need several months of growth save my name grass seed germination temperature chart email, and website in this for... Temperature in the spring because of the most productive cool-season grasses, as soil... Timely advice when unexpected weather conditions factor in one barrier to germination that have grass seed germination temperature chart be relaxing four true appear... Some grass varieties only grow in warmer temperatures and cool evenings encourages fast germination and 2 cm ( 0,8 )! 3 Lovage 1-3 Marjoram 1-4 Mexican Mint Marigold remain fairly constant the 60F 75F. Care, conditions, and adequate moisture can determine the germination rate seeds will germinate grow. Us analyze and understand how you use this website to remember that my family had one the. Have more than one barrier to germination that have to be overcome a! Unexpected weather conditions factor in fall the best soil temperature for germination be! To planting warm-season grass will need three to four weeks to grow enough... Ground temperature not Ambient ): function ( evt, cb ) { cool-season grasses night can... The beginning of fall or its affiliates is important to take that into consideration when planting tell you seeds. Throughout winter, allowing several flushes of germination and establishment of newly sown cool-season grass seed at best! That helps grass, late spring is often considered the best possible time, your lawn a...
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