{"id":139982,"date":"2025-09-08T17:13:52","date_gmt":"2025-09-08T20:13:52","guid":{"rendered":"https:\/\/www.lawnstarter.com\/blog\/?p=139982"},"modified":"2025-09-08T17:13:54","modified_gmt":"2025-09-08T20:13:54","slug":"when-best-time-apply-fall-fertilizer","status":"publish","type":"post","link":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/","title":{"rendered":"When is the Best Time to Apply Fall Fertilizer?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Fall fertilizers determine how your lawn handles the winter stress and bounces back in the spring. They can boost or ruin your grass\u2019s health, so plan the application carefully.<\/p>    <p class=\"wp-block-paragraph\">The best time to apply fall fertilizer is usually September through November, but here\u2019s the thing \u2014 it depends on your grass type and location. Get the timing right with this rule: Fertilize when soil temperatures reach 50 F to 65 F for cool-season grasses. For warm-season varieties aim for 65 F to 75 F.<\/p>   <div class=\"wp-block-ub-table-of-contents-block ub_table-of-contents\" id=\"ub_table-of-contents-32b5ffc1-93dd-4f90-9b97-1c8e8d09f8e8\" data-linktodivider=\"false\" data-showtext=\"show\" data-hidetext=\"hide\" data-scrolltype=\"auto\" data-enablesmoothscroll=\"false\" data-initiallyhideonmobile=\"false\" data-initiallyshow=\"true\"><div class=\"ub_table-of-contents-header-container\" style=\"\"> \t\t\t<div class=\"ub_table-of-contents-header\" style=\"text-align: left; \"> \t\t\t\t<div class=\"ub_table-of-contents-title\" style=\"\">This guide covers:<\/div> \t\t\t\t \t\t\t<\/div> \t\t<\/div><div class=\"ub_table-of-contents-extra-container\" style=\"\"> \t\t\t<div class=\"ub_table-of-contents-container ub_table-of-contents-1-column\"> \t\t\t\t<ul style=\"\"><li style=\"\"><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#0-fall-fertilization-depends-on-grass-type-and-climate\" style=\"\">Fall Fertilization Depends on Grass Type and Climate<\/a><ul><li style=\"\"><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#1-cool-season-grasses-in-northern-regions\" style=\"\">Cool-Season Grasses in Northern Regions<\/a><\/li><li style=\"\"><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#2-transition-zone-in-the-middle-of-the-country\" style=\"\">Transition Zone in the Middle of the Country<\/a><\/li><li style=\"\"><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#5-warm-season-grasses-in-the-southern-us\" style=\"\">Warm-Season Grasses in the Southern U.S.<\/a><\/li><\/ul><\/li><li style=\"\"><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#6-faq\" style=\"\">FAQ<\/a><\/li><\/ul> \t\t\t<\/div> \t\t<\/div><\/div>   <h2 class=\"wp-block-heading\" id=\"0-fall-fertilization-depends-on-grass-type-and-climate\">Fall Fertilization Depends on Grass Type and Climate<\/h2>    <p class=\"wp-block-paragraph\">Should you fertilize in the fall? That\u2019s a strong YES for <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/cool-season-grass-growing-guide\/\">cool-season grasses<\/a>. These species are actively growing in the fall and need a nitrogen boost around Labor Day and, in some cases, a second application in October or November.&nbsp;<\/p>    <p class=\"wp-block-paragraph\">Warm-season varieties, on the other hand, slow their growth in the fall. For <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/warm-season-grass-growing-guide\/\">warm-season grasses<\/a>, fall fertilization is optional and should happen as early as possible to ensure the turf can still absorb nutrients and avoid delaying their winter dormancy.<\/p>    <p class=\"wp-block-paragraph\">For both grass types, the best time to apply fall fertilizer changes as you move from north to south across the country.&nbsp;&nbsp;<\/p>    <figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"505\" src=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2024\/04\/rsz_lawnstarter-overseeding-map_1-1.jpg?wsr\" alt=\"United States map showing the cool season grass, warm season grass and the transition zones\" class=\"wp-image-111242\" srcset=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2024\/04\/rsz_lawnstarter-overseeding-map_1-1.jpg 800w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2024\/04\/rsz_lawnstarter-overseeding-map_1-1-300x189.jpg 300w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2024\/04\/rsz_lawnstarter-overseeding-map_1-1-646x408.jpg 646w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2024\/04\/rsz_lawnstarter-overseeding-map_1-1-150x95.jpg 150w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2024\/04\/rsz_lawnstarter-overseeding-map_1-1-768x485.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Infographic by Juan Rodriguez<\/figcaption><\/figure>    <figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><a href=\"https:\/\/signup-web.lawnstarter.com\/cart\/contact-info?intent=treatment\">Hire a LawnStarter pro<\/a> to fertilize at the right time. Our pros charge an average of <strong>$103 per lawn treatment<\/strong> with a <strong>4.4-star rating<\/strong> from 39,500+ jobs done last year.<\/td><\/tr><\/tbody><\/table><\/figure>    <p class=\"wp-block-paragraph\"><strong>See Related:&nbsp;<\/strong><\/p>    <ul class=\"wp-block-list\"> <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-to-fertilize-lawn\/\">When to Fertilize Your Lawn<\/a><\/li> <\/ul>    <h3 class=\"wp-block-heading\" id=\"1-cool-season-grasses-in-northern-regions\">Cool-Season Grasses in Northern Regions<\/h3>    <p class=\"wp-block-paragraph\">Fall is cool-season grasses\u2019 second growing season, so fescues, Kentucky bluegrass, and ryegrass benefit the most from fall fertilizers, enjoying:<\/p>    <ul class=\"wp-block-list\"> <li>Thicker, healthier grass<\/li>    <li>Increased winter hardiness&nbsp;<\/li>    <li>Prolonged green color&nbsp;<\/li>    <li>Faster spring green-up with stronger roots&nbsp;<\/li> <\/ul>    <p class=\"wp-block-paragraph\">Because of milder summers and harsher winters, northern regions start and finish <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/fall-lawn-care-checklist\/\">fall lawn care<\/a> earlier. Check the chart below for timing and cues to help you figure out when to fertilize in the fall in your area:<\/p>    <figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>Early Fall Application (Essential)<\/strong><\/td><td><strong>Late Fall Application (Optional)<\/strong><\/td><\/tr><tr><td><strong>Months<\/strong><\/td><td>Mid-August to early September&nbsp;<\/td><td>Mid-September to late October<\/td><\/tr><tr><td><strong>Soil temperature<\/strong><\/td><td>Under 65 F&nbsp;<\/td><td>Over 50 F&nbsp;<\/td><\/tr><tr><td><strong>Frost cue<\/strong><\/td><td>6 to 8 weeks before the first frost<\/td><td>2 to 3 weeks before ground freeze<\/td><\/tr><tr><td><strong>Grass appearance<\/strong><\/td><td>Grass turns green if it turns brown in the summer<\/td><td>Grass is still green<\/td><\/tr><\/tbody><\/table><\/figure>    <p class=\"wp-block-paragraph\">In some of our coldest states (North Dakota, Maine), fall fertilizing usually starts in <strong>August<\/strong>, when summer temps drop, and wraps up by <strong>mid-September<\/strong>.&nbsp;<\/p>    <p class=\"wp-block-paragraph\">Moving south, the season shifts later. In states like Kansas and Missouri, the fall fertilization window is <strong>early September to early November.<\/strong>&nbsp;<\/p>    <p class=\"wp-block-paragraph\">Use a high nitrogen fall fertilizer with <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/what-is-slow-release-fertilizer\/\">slow-release nitrogen<\/a>, <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/what-does-potassium-do-for-lawns\/\">potassium<\/a> and phosphorus \u2014 it supports fall growth and winter hardening. For late fall select a fertilizer with <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/slow-release-vs-quick-release-fertilizer\/\">quick-release nitrogen<\/a>.<\/p>    <p class=\"wp-block-paragraph\">Don\u2019t apply fall grass fertilizer on frozen ground. Plants can\u2019t absorb it, and it will run off with the snowmelt, polluting the groundwater.&nbsp;<\/p>    <p class=\"wp-block-paragraph\"><strong><em>Pro Tip:<\/em><\/strong><em> Labor Day is a perfect time for early fall fertilization in the northern regions. Take advantage of the long weekend and feed your lawn.<\/em><\/p>    <p class=\"wp-block-paragraph\"><strong>See Related:<\/strong><\/p>    <ul class=\"wp-block-list\"> <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-to-fertilize-fescue\/\">How and When to Fertilize Fescue<\/a><\/li>    <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-to-fertilize-kentucky-bluegrass\/\">How and When to Fertilize Kentucky Bluegrass<\/a><\/li> <\/ul>    <h3 class=\"wp-block-heading\" id=\"2-transition-zone-in-the-middle-of-the-country\">Transition Zone in the Middle of the Country<\/h3>    <p class=\"wp-block-paragraph\">The middle of the U.S. (called the <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/guide-to-growing-grass-in-the-transition-zone\/\">transition zone<\/a>) grows both warm-season and cool-season grasses, so fall fertilizing schedules vary.<\/p>    <h4 class=\"wp-block-heading\" id=\"3-cool-season-grasses\">Cool-Season Grasses<\/h4>    <figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-cool-season-growth.jpg?wsr\" alt=\"A picture showing growth of cool season grass round the year\" class=\"wp-image-92131\" srcset=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-cool-season-growth.jpg 800w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-cool-season-growth-300x169.jpg 300w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-cool-season-growth-646x363.jpg 646w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-cool-season-growth-150x84.jpg 150w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-cool-season-growth-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Infographic by Juan Rodriguez  <\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">Summers are hotter and longer than up north, so <strong>there\u2019s more risk of fertilizing cool-season grasses too early. <\/strong>Follow the cues in this chart to get the timing right.<\/p>    <figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong>Early Fall Application (Essential)<\/strong><\/td><td><strong>Late Fall Application (Optional)<\/strong><\/td><\/tr><tr><td><strong>Months<\/strong><\/td><td>Late August to mid-September&nbsp;<\/td><td>Mid-October to mid-November<\/td><\/tr><tr><td><strong>Soil temperature<\/strong><\/td><td>Under 65 F<\/td><td>Over 50 F&nbsp;<\/td><\/tr><tr><td><strong>Frost cue<\/strong><\/td><td>6-8 weeks before first frost<\/td><td>2 to 3 weeks before ground freeze<\/td><\/tr><tr><td><strong>Grass appearance<\/strong><\/td><td>Grass turns green if it is brown in the summer<\/td><td>Grass is still green<\/td><\/tr><\/tbody><\/table><\/figure>    <p class=\"wp-block-paragraph\">Wait until daytime temps stay below 80 F for a week before fertilizing. Go too early and you risk <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/what-is-fertilizer-burn\/\">fertilizer burn<\/a> and runoff \u2014 the grass is still dormant from summer, so it can\u2019t absorb nutrients fast enough.<\/p>    <p class=\"wp-block-paragraph\">Some states restrict fertilizer use in late fall. Check local rules before buying fall fertilizer for your grass. For example, <a href=\"https:\/\/www.lawnstarter.com\/blog\/maryland\/lawn-fertilizer-law-md\/\">Maryland bans<\/a> phosphorus fertilizers year-round and prohibits nitrogen from Nov. 15 to March 1 to protect the Chesapeake Bay.<\/p>    <p class=\"wp-block-paragraph\"><strong>See Related: <\/strong><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/cities-limiting-lawn-chemicals\/\">Cities Limiting Use of Lawn Fertilizers and Pesticides<\/a><\/p>    <h4 class=\"wp-block-heading\" id=\"4-warm-season-grasses\">Warm-Season Grasses<\/h4>    <figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-warm-season-growth-1.jpg?wsr\" alt=\"A picture showing growth of warm season grass round the year\" class=\"wp-image-92138\" srcset=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-warm-season-growth-1.jpg 800w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-warm-season-growth-1-300x169.jpg 300w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-warm-season-growth-1-646x363.jpg 646w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-warm-season-growth-1-150x84.jpg 150w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2023\/05\/LS-warm-season-growth-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Infographic by Juan Rodriguez<\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">Warm-season grasses (Bermuda, Zoysia, centipede, St. Augustine, and bahia) thrive from late spring to late summer and go dormant in the winter, which comes early in the transition zone.&nbsp;<\/p>    <p class=\"wp-block-paragraph\">If you need to feed your lawn with a fall fertilizer, the best time is mid-August through September.<\/p>    <figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Months<\/strong><\/td><td>Mid-August through September&nbsp;<\/td><\/tr><tr><td><strong>Soil temperature<\/strong><\/td><td>65 F to 75 F<\/td><\/tr><tr><td><strong>Frost<\/strong><\/td><td>6-8 weeks before first frost<\/td><\/tr><tr><td><strong>Grass appearance<\/strong><\/td><td>Still green, not dormant<\/td><\/tr><\/tbody><\/table><\/figure>    <p class=\"wp-block-paragraph\">Avoid fertilizing with nitrogen later than August, as this can delay dormancy and increase the grass&#8217;s susceptibility to winter damage. The best time to fertilize warm-season grasses with nitrogen is late spring to early summer \u2014 the beginning of their growing season.&nbsp;<\/p>    <p class=\"wp-block-paragraph\"><strong>Note<\/strong>: If you need to fertilize with nitrogen in the fall, Texas A&amp;M University recommends using a fertilizer with quick-release nitrogen.&nbsp;<\/p>    <p class=\"wp-block-paragraph\">In September, you can apply a potassium-only fertilizer that helps the grass better withstand the cold. Use phosphorus only if the lawn is deficient and the local rules allow it.<\/p>    <h3 class=\"wp-block-heading\" id=\"5-warm-season-grasses-in-the-southern-us\">Warm-Season Grasses in the Southern U.S.<\/h3>    <figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"553\" src=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/04\/granular-weed-and-feed.jpg\" alt=\"person adding granular fertilizer in a spreader\" class=\"wp-image-131275\" style=\"object-fit:cover\" srcset=\"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/04\/granular-weed-and-feed.jpg 800w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/04\/granular-weed-and-feed-300x207.jpg 300w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/04\/granular-weed-and-feed-656x453.jpg 656w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/04\/granular-weed-and-feed-150x104.jpg 150w, https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/04\/granular-weed-and-feed-768x531.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Pouring fertilizer in a spreader. Photo Credit: <a href=\"https:\/\/www.shutterstock.com\/pt\/image-photo\/lawn-spring-fertilization-caucasian-gardener-resupply-1055906663\" target=\"_blank\" rel=\"noreferrer noopener\">Shutterstock<\/a><\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">The further south you live, the longer warm-season grasses keep growing. Fall fertilizing is still debatable \u2014 if you fed your lawn enough in spring and summer, skip it. But if your lawn needs it, you have a bigger window to apply it.<\/p>    <figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Months<\/strong><\/td><td>September through October<\/td><\/tr><tr><td><strong>Soil temperature<\/strong><\/td><td>65 F to 75 F<\/td><\/tr><tr><td><strong>Frost cue<\/strong><\/td><td>6-8 weeks before first frost<\/td><\/tr><tr><td><strong>Grass appearance<\/strong><\/td><td>Green grass<\/td><\/tr><\/tbody><\/table><\/figure>    <p class=\"wp-block-paragraph\">Fall fertilizing might be necessary when:<\/p>    <ul class=\"wp-block-list\"> <li>You maintain a high-end lawn (short, dense, golf-course quality)<\/li>    <li>You live in Florida (summer fertilizer ban) and grow hungry grasses like Bermuda or St. Augustine<\/li>    <li>Your lawn lacks potassium (needed for winter hardiness)<\/li> <\/ul>    <p class=\"wp-block-paragraph\">If you need to apply nitrogen, follow University of Arizona guidelines: no more than 0.25 to 0.50 pound per 1,000 square feet. Otherwise, stick to potassium-only fertilizer.&nbsp;<\/p>    <p class=\"wp-block-paragraph\"><strong>See Related:<\/strong><\/p>    <ul class=\"wp-block-list\"> <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-fertilize-bermudagrass\/\">How and When to Fertilize Bermudagrass Lawns<\/a><\/li>    <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-to-fertilize-centipedegrass\/\">How and When to Fertilize Centipedegrass<\/a><\/li>    <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-fertilize-zoysiagrass\/\">How and When to Fertilize Zoysiagrass<\/a><\/li>    <li><a href=\"https:\/\/www.lawnstarter.com\/blog\/florida\/when-to-fertilize-bahiagrass-in-florida\/\">When to Fertilize Bahiagrass in Florida<\/a><\/li> <\/ul>    <h2 class=\"wp-block-heading\" id=\"6-faq\">FAQ<\/h2>    <div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1756862821218\"><strong class=\"schema-faq-question\">Should I Fertilize Differently if I&#8217;m Overseeding in Fall?<\/strong> <p class=\"schema-faq-answer\">Yes. If you\u2019re overseeding in the fall, either spread a starter fertilizer after seeding or wait until the new grass sprouts and then fertilize the entire area.\u00a0<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1756862825648\"><strong class=\"schema-faq-question\">How Do I Know if My Grass Needs Fall Fertilizer?<\/strong> <p class=\"schema-faq-answer\">You <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/signs-to-fertilize-lawn\/\">know your grass needs fertilizer<\/a> if you notice slow growth, yellowish, fading grass color, an increase in weeds and pests, or thinning patches.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1756862834932\"><strong class=\"schema-faq-question\">Can I Use the Same Fertilizer for Spring and Fall Applications?<\/strong> <p class=\"schema-faq-answer\">It depends on your grass type and timing.<br\/><br\/>\u2022 <strong>Cool-season grasses, early fall: <\/strong>Yes \u2014 in both cases, the grass needs a balanced, slow-release fertilizer high in nitrogen.<br\/>\u2022 <strong>Cool-season grasses, late fall:<\/strong> No \u2014 you need quick-release nitrogen in smaller amounts with more potassium and phosphorus.<br\/>\u2022 <strong>Warm-season grasses<\/strong>: No\u00a0 \u2014 spring needs balanced fertilizer, fall needs potassium and phosphorus with little to no nitrogen.<\/p> <\/div> <\/div>    <h2 class=\"wp-block-heading\" id=\"7-let-the-pros-handle-fall-fertilizing\">Let the Pros Handle Fall Fertilizing<\/h2>    <p class=\"wp-block-paragraph\">Fall fertilizing is essential for cool-season grass but tricky for warm-season varieties \u2014 one wrong move and you could damage your lawn. <a href=\"https:\/\/signup-web.lawnstarter.com\/cart\/contact-info?intent=treatment\">Find a LawnStarter fertilizer pro<\/a> in your area to get the timing and formula exactly right for thick, healthy growth.<\/p>   <div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-19e7fa52-0762-4177-b832-ea050e4316c4\" data-mobilecollapse=\"false\" data-desktopcollapse=\"true\" data-preventcollapse=\"false\" data-showonlyone=\"true\"> <div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #f1f1f1; \" id=\"ub-content-toggle-panel-block-\"> \t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #f1f1f1;\" aria-controls=\"ub-content-toggle-panel-0-19e7fa52-0762-4177-b832-ea050e4316c4\" tabindex=\"0\"> \t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-19e7fa52-0762-4177-b832-ea050e4316c4\" style=\"color: #000000; \"><strong>Sources:\u00a0<\/strong><\/p> \t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down\"><\/span><\/div> \t\t<\/div> \t\t\t<div role=\"region\" aria-expanded=\"false\" class=\"wp-block-ub-content-toggle-accordion-content-wrap ub-hide\" id=\"ub-content-toggle-panel-0-19e7fa52-0762-4177-b832-ea050e4316c4\">  <ul class=\"wp-block-list\"> <li>\u201c<a href=\"https:\/\/turfdisease.osu.edu\/news\/benefits-late-fall-fertilization-0\" target=\"_blank\" rel=\"noreferrer noopener\">Benefits of Late Fall Fertilization<\/a>.\u201d<strong> <\/strong>By Anthony Koski, professor and Extension turfgrass specialist, and John Street, professor of agronomy. The Ohio State University.<\/li>    <li>\u201c<a href=\"https:\/\/ag.purdue.edu\/department\/btny\/ppdl\/potw-dept-folder\/2022\/fall-fertilization-home-lawns.html\" target=\"_blank\" rel=\"noreferrer noopener\">Fall Fertilization of Home Lawns: Is it too Late?<\/a>\u201d By John Orick, master gardener state coordinator. Purdue University.<\/li>    <li>\u201c<a href=\"https:\/\/ext.vt.edu\/lawn-garden\/turfandgardentips\/tips\/fall_fertilization_2008.html\" target=\"_blank\" rel=\"noreferrer noopener\">Fall Fertilization Strategies for Lawns<\/a>.\u201d Virginia Cooperative Extension.<\/li>    <li>\u201c<a href=\"https:\/\/cales.arizona.edu\/crop\/soils\/nitfertmgtAZ.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Nitrogen Fertilizer Management in Arizona<\/a>.\u201d By Thomas A. Doerge, soils specialist, Robert L. Roth, superintendent of research farm, Maricopa Agricultural Center, and Bryant R. Gardner, former research scientist at Yuma Agricultural Center. University of Arizona.<\/li>    <li>\u201c<a href=\"https:\/\/wayne.ces.ncsu.edu\/2025\/08\/think-twice-before-fertilizing-your-lawn-this-fall\/\" target=\"_blank\" rel=\"noreferrer noopener\">Think Twice Before Fertilizing Your Lawn This Fall<\/a>.\u201d By Jessica Strickland, Extension agent, Wayne County Center. North Carolina Cooperative Extension.<\/li> <\/ul>  <\/div> \t\t<\/div> <\/div>   <p class=\"wp-block-paragraph\">Main Image: Person fertilizing a lawn using a spreader. Image Credit: <a href=\"https:\/\/stock.adobe.com\/images\/man-seeding-and-fertilizing-residential-backyard-lawn-with-manual-grass-seed-spreader\/284943935\" target=\"_blank\" rel=\"noreferrer noopener\">Scott Habermann<\/a> \/ Adobe Stock<\/p>    <p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>The best time to apply fall fertilizer is when soil temperatures reach 50 F to 65 F for cool-season grasses, and 65 F to 75 F for warm-season varieties. <\/p>\n","protected":false},"author":140,"featured_media":139986,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[9],"class_list":["post-139982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lawn-care-2","tag-lawn-care"],"acf":[],"featured_image_src":"https:\/\/www.lawnstarter.com\/blog\/wp-content\/uploads\/2025\/09\/fertilizing-grass.jpg?wsr","author_info":{"display_name":"Sinziana Spiridon","author_link":"https:\/\/www.lawnstarter.com\/blog\/author\/sinziana-spiridon\/"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>When is the Best Time to Apply Fall Fertilizer?<\/title>\n<meta name=\"description\" content=\"The best time to apply fall fertilizer is when soil temperatures reach 50 F to 65 F for cool-season grasses, and 65 F 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When not writing about weeds, pests, soil, and growing plants, she's tending to her veggie garden and the lovely turf strip in her front yard.","url":"https:\/\/www.lawnstarter.com\/blog\/author\/sinziana-spiridon\/"},{"@type":"Question","@id":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#faq-question-1756862821218","position":1,"url":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#faq-question-1756862821218","name":"Should I Fertilize Differently if I'm Overseeding in Fall?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. If you\u2019re overseeding in the fall, either spread a starter fertilizer after seeding or wait until the new grass sprouts and then fertilize the entire area.\u00a0","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#faq-question-1756862825648","position":2,"url":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#faq-question-1756862825648","name":"How Do I Know if My Grass Needs Fall Fertilizer?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"You <a href=\"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/signs-to-fertilize-lawn\/\">know your grass needs fertilizer<\/a> if you notice slow growth, yellowish, fading grass color, an increase in weeds and pests, or thinning patches.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#faq-question-1756862834932","position":3,"url":"https:\/\/www.lawnstarter.com\/blog\/lawn-care-2\/when-best-time-apply-fall-fertilizer\/#faq-question-1756862834932","name":"Can I Use the Same Fertilizer for Spring and Fall Applications?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It depends on your grass type and timing.<br\/><br\/>\u2022 <strong>Cool-season grasses, early fall: <\/strong>Yes \u2014 in both cases, the grass needs a balanced, slow-release fertilizer high in nitrogen.<br\/>\u2022 <strong>Cool-season grasses, late fall:<\/strong> No \u2014 you need quick-release nitrogen in smaller amounts with more potassium and phosphorus.<br\/>\u2022 <strong>Warm-season grasses<\/strong>: No\u00a0 \u2014 spring needs balanced fertilizer, fall needs potassium and phosphorus with little to no nitrogen.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/posts\/139982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/users\/140"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/comments?post=139982"}],"version-history":[{"count":0,"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/posts\/139982\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/media\/139986"}],"wp:attachment":[{"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/media?parent=139982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/categories?post=139982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lawnstarter.com\/blog\/wp-json\/wp\/v2\/tags?post=139982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}