{"id":33270,"date":"2025-03-18T18:50:56","date_gmt":"2025-03-18T18:50:56","guid":{"rendered":"https:\/\/lawnlove.com\/blog\/?p=33270"},"modified":"2025-07-14T03:02:46","modified_gmt":"2025-07-14T03:02:46","slug":"when-to-apply-preemergent-tennessee","status":"publish","type":"post","link":"https:\/\/lawnlove.com\/blog\/when-to-apply-preemergent-tennessee\/","title":{"rendered":"When to Apply Pre-Emergent Herbicide in Tennessee"},"content":{"rendered":"<p class=\"wp-block-paragraph\">To keep your Tennessee lawn weed-free, apply pre-emergent in the fall between August 25 and September 15 and then again in the spring, between February 21 and March 15.&nbsp;<\/p>    <p class=\"wp-block-paragraph\">These time frames allow you to target weed seedlings before they germinate. You can also apply a smaller quantity of herbicide in the spring and spread it over two applications, eight weeks apart. Keep reading for more details on when to apply pre-emergent in The Volunteer State.<\/p>   <div class=\"wp-block-ub-table-of-contents-block ub_table-of-contents\" id=\"ub_table-of-contents-d2e8c680-4c4c-46af-b3c1-39120bfec6f8\" 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=\"\">In this article:<\/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:\/\/lawnlove.com\/blog\/when-to-apply-preemergent-tennessee\/#0-fall-application\" style=\"\">Fall application<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/when-to-apply-preemergent-tennessee\/#1-spring-application\" style=\"\">Spring application<\/a><\/li><\/ul> \t\t\t<\/div> \t\t<\/div><\/div>   <h2 class=\"wp-block-heading\" id=\"0-fall-application\"><span id=\"fall-application\">Fall application<\/span><\/h2>    <p class=\"wp-block-paragraph\">Apply pre-emergent herbicide between late August to mid-September for fall\/winter weed control. This application targets winter annual weeds like annual bluegrass (Poa annua) and henbit. These weeds typically germinate when soil temperatures drop below 70 degrees in the fall.<\/p>    <p class=\"wp-block-paragraph\">Fall application helps prevent these weeds from establishing during winter and early spring<\/p>    <p class=\"wp-block-paragraph\">Agents that control winter weeds like annual bluegrass and chickweed,<strong> <\/strong>should be applied when nighttime temperatures are below 60 degrees, typically between August 25 and September 15.&nbsp;<\/p>    <h2 class=\"wp-block-heading\" id=\"1-spring-application\"><span id=\"spring-application\">Spring application<\/span><\/h2>    <figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2024\/05\/spraying-herbicide.jpeg\" alt=\"Spraying herbicide from the nozzle to Para Grass weeds \" class=\"wp-image-23523\" srcset=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2024\/05\/spraying-herbicide.jpeg 800w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2024\/05\/spraying-herbicide-300x200.jpeg 300w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2024\/05\/spraying-herbicide-768x512.jpeg 768w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2024\/05\/spraying-herbicide-610x406.jpeg 610w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/stock.adobe.com\/images\/spraying-herbicide-from-the-nozzle-to-para-grass-weeds\/297885202\" target=\"_blank\" rel=\"noreferrer noopener\">Krtichai<\/a> | Adobe Stock Free | <a href=\"https:\/\/stock.adobe.com\/jo\/license-terms\" target=\"_blank\" rel=\"noreferrer noopener\"> License<\/a><\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">The best time to apply pre-emergent herbicide in the spring is between February 25 and March 15. This allows the herbicide to be in place before soil temperatures reach 55 degrees consistently, which is when summer annual weeds like <a href=\"https:\/\/lawnlove.com\/blog\/how-to-get-rid-crabgrass\/\">crabgrass<\/a> begin to germinate.<\/p>    <p class=\"wp-block-paragraph\">Applying 2-3 weeks before germination gives the pre-emergent time to create its protective barrier in the soil. Apply pre-emergent a little earlier in western Tennessee and later in eastern Tennessee.<\/p>    <p class=\"wp-block-paragraph\">The Department of Plant Sciences at The University of Tennessee Institute of Agriculture says treating summer annuals at a lower rate can \u201cextend the length of residual control provided by a preemergence herbicide when it is applied twice.\u201d&nbsp;<\/p>    <h2 class=\"wp-block-heading\" id=\"2-find-a-pro-near-you\"><span id=\"find-a-pro-near-you\">Find a pro near you<\/span><\/h2>    <p class=\"wp-block-paragraph\">While you can apply pre-emergent yourself, herbicides need to be applied at the right time and in the right way to be effective and not harm the grass and ornamentals. Even more importantly, you want to make sure chemicals are handled so that you, your loved ones, and your fur babies remain safe.&nbsp;<\/p>    <p class=\"wp-block-paragraph\">Let Lawn Love <a href=\"https:\/\/lawnlove.com\/pre-emergent-weed-control\">professionals<\/a> handle your weed management and any other landscaping and lawn care tasks. Our experts do the work while you enjoy the benefits.<\/p>    <p class=\"wp-block-paragraph\">Main Photo Credit: <a href=\"https:\/\/stock.adobe.com\/images\/bags-of-lawn-fertilizer-and-herbicide-with-broadcast-spreader-in-yard-with-healthy-grass-lawn-care-weed-control-and-landscaping-concept\/799145291?asset_id=799145291\" target=\"_blank\" rel=\"noreferrer noopener\">JJ Gouin<\/a> | Adobe Stock | <a href=\"https:\/\/stock.adobe.com\/license-terms\" target=\"_blank\" rel=\"noreferrer noopener\">License<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Apply pre-emergent herbicide twice a year in Tennessee, in the fall between Sept. 1 and Oct. 15, and in the spring between Feb. 1 and March 15. This allows you to target weed seedlings before they germinate.<br \/>\n`<\/p>\n","protected":false},"author":87,"featured_media":24535,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[184],"tags":[741,141],"class_list":["post-33270","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tennessee","tag-lawn-care-tn","tag-weed-control"],"acf":[],"featured_image_src":"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2024\/06\/AdobeStock_799145291-1.jpeg","author_info":{"display_name":"LaShonda Tucker","author_link":"https:\/\/lawnlove.com\/blog\/author\/lashonda-tucker\/"},"_links":{"self":[{"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts\/33270","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/users\/87"}],"replies":[{"embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/comments?post=33270"}],"version-history":[{"count":1,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts\/33270\/revisions"}],"predecessor-version":[{"id":40266,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts\/33270\/revisions\/40266"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/media\/24535"}],"wp:attachment":[{"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/media?parent=33270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/categories?post=33270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/tags?post=33270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}