{"id":45604,"date":"2026-03-23T22:51:36","date_gmt":"2026-03-23T22:51:36","guid":{"rendered":"https:\/\/lawnlove.com\/blog\/?p=45604"},"modified":"2026-08-07T23:39:50","modified_gmt":"2026-08-07T23:39:50","slug":"signs-lawn-pest-damage-vs-disease-vs-drought-stress","status":"publish","type":"post","link":"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/","title":{"rendered":"Signs of Lawn Pest Damage vs. Disease vs. Drought Stress"},"content":{"rendered":"<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Key takeaways:<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u2022 Drought stress typically recovers within days of watering. Pest and disease damage does not.<br>\u2022 The footprint test and screwdriver test are fast, free ways to check for drought stress.<br>\u2022 Pest damage spreads rapidly and irregularly. Disease damage tends to follow predictable patterns.<br>\u2022 When in doubt, pull back a patch of damaged grass. Loose roots with no resistance usually mean grubs.<\/td><\/tr><\/tbody><\/table><\/figure>    <p class=\"wp-block-paragraph\">Brown patches, yellow grass, and bare spots are signs your lawn is struggling, but figuring out why is the hardest part. Pest damage, lawn disease, and drought stress can all look nearly identical on the surface, but they need completely different fixes. Treating drought stress as a pest problem (or vice versa) can make things worse and cost you time and money.<\/p>    <p class=\"wp-block-paragraph\">The quickest way to tell them apart: drought stress affects large, uniform areas, and grass rebounds after watering. Disease spreads in distinct patterns like rings and circles, and doesn&#8217;t respond to water alone. Pest damage appears in irregular patches that worsen quickly, often with visible insects or root destruction beneath the surface..<\/p>    <p class=\"wp-block-paragraph\">Not sure what&#8217;s attacking your lawn? Lawn Love can connect you with <a href=\"https:\/\/lawnlove.com\/\">local lawn care professionals<\/a> who can diagnose and treat the problem fast. Read on for a full breakdown of how to identify each issue yourself.<\/p>   <div class=\"wp-block-ub-table-of-contents-block ub_table-of-contents\" id=\"ub_table-of-contents-218ea9e1-34c5-4c10-a971-ef2eea2b31d9\" 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\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#0-quick-reference-comparison-chart\" style=\"\">Quick-reference comparison chart<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#1-signs-of-lawn-pest-damage\" style=\"\">Signs of lawn pest damage<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#4-signs-of-lawn-disease\" style=\"\">Signs of lawn disease<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#7-signs-of-drought-stress\" style=\"\">Signs of drought stress<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#9-how-to-tell-them-apart-3-diy-field-tests\" style=\"\">How to tell them apart: 3 DIY field tests<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#13-what-to-do-once-you-know-the-cause\" style=\"\">What to do once you know the cause<\/a><\/li><li style=\"\"><a href=\"https:\/\/lawnlove.com\/blog\/signs-lawn-pest-damage-vs-disease-vs-drought-stress\/#14-faqs\" style=\"\">FAQs<\/a><\/li><\/ul> \t\t\t<\/div> \t\t<\/div><\/div>   <h2 class=\"wp-block-heading\" id=\"0-quick-reference-comparison-chart\"><span id=\"quick-reference-comparison-chart\">Quick-reference comparison chart<\/span><\/h2>    <p class=\"wp-block-paragraph\">Use this chart for a quick side-by-side look before diving into the details.<\/p>   \n<table id=\"tablepress-6\" class=\"tablepress tablepress-id-6\">\n<thead>\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><\/td><th class=\"column-2\"><strong>Pest damage<\/strong><\/th><th class=\"column-3\"><strong>Lawn disease<\/strong><\/th><th class=\"column-4\"><strong>Drought stress<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\"><strong>Pattern<\/strong><\/td><td class=\"column-2\">Irregular, spreading fast<\/td><td class=\"column-3\">Rings, circles, defined edges<\/td><td class=\"column-4\">Large uniform areas; sunny spots first<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\"><strong>Color<\/strong><\/td><td class=\"column-2\">Yellow-brown; chewed or ragged blades<\/td><td class=\"column-3\">Brown with spots or lesions on blades<\/td><td class=\"column-4\">Gray-blue first, then brown<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\"><strong>Texture<\/strong><\/td><td class=\"column-2\">Grass pulls up easily; roots gone<\/td><td class=\"column-3\">Blades feel slimy, powdery, or coated<\/td><td class=\"column-4\">Blades curl inward; feel crunchy<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\"><strong>Response to water<\/strong><\/td><td class=\"column-2\">No improvement<\/td><td class=\"column-3\">May worsen<\/td><td class=\"column-4\">Rebounds within days<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\"><strong>Time of year<\/strong><\/td><td class=\"column-2\">Spring through fall<\/td><td class=\"column-3\">Warm, humid conditions<\/td><td class=\"column-4\">Hot, dry periods<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\"><strong>Visible clues<\/strong><\/td><td class=\"column-2\">Insects, grubs, birds pecking<\/td><td class=\"column-3\">Powdery mildew, reddish threads<\/td><td class=\"column-4\">Footprints linger; soil cracks<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-6 from cache -->    <h2 class=\"wp-block-heading\" id=\"1-signs-of-lawn-pest-damage\"><span id=\"signs-of-lawn-pest-damage\">Signs of lawn pest damage<\/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\/2026\/03\/AdobeStock_892429344.jpg\" alt=\"Bare spot and ant nest damage in a green lawn\" class=\"wp-image-45618\" srcset=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_892429344.jpg 800w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_892429344-300x200.jpg 300w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_892429344-768x512.jpg 768w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_892429344-610x406.jpg 610w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">A bare spot in a lawn caused by an ant colony. Photo Credit: <a href=\"https:\/\/stock.adobe.com\/images\/lawn-patch-with-bare-spot-ants-nest-in-the-lawn-lawn-damaged-by-ants-colony\/892429344\" target=\"_blank\" rel=\"noreferrer noopener\">GreenThumbShots<\/a> \/ Adobe Stock<\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">The most important signal: patches that appear and spread fast, often within days, and don&#8217;t improve with watering or fertilizer.<\/p>    <h3 class=\"wp-block-heading\" id=\"2-key-signs\"><span id=\"key-signs\">Key signs:<\/span><\/h3>    <ul class=\"wp-block-list\"> <li><strong>Irregular brown or yellow patches<\/strong> that expand quickly, especially during summer.<\/li>    <li><strong>Grass that pulls up <\/strong>with no resistance is a classic sign that <a href=\"https:\/\/lawnlove.com\/blog\/how-to-get-rid-of-grubs\/\">grubs<\/a> have eaten roots.<\/li>    <li><strong>Chewed or ragged blade tips<\/strong>, as surface feeders like <a href=\"https:\/\/lawnlove.com\/blog\/how-to-get-rid-of-armyworms\/\">armyworms<\/a> and sod webworms leave torn, uneven grass.<\/li>    <li><strong>Thinning turf in sunny spots<\/strong>, where <a href=\"https:\/\/lawnlove.com\/blog\/how-to-get-rid-of-chinch-bugs\/\">chinch bugs<\/a> inject toxins into grass blades, causing yellow-to-brown patches.<\/li>    <li><strong>Birds pecking repeatedly <\/strong>at the lawn are a strong indicator of grubs or other subsurface insects.<\/li>    <li><strong>Silken tunnels<\/strong> at the soil level are a sign of <a href=\"https:\/\/lawnlove.com\/blog\/how-to-get-rid-of-sod-webworms\/\">sod webworm<\/a> activity.<\/li> <\/ul>    <h3 class=\"wp-block-heading\" id=\"3-most-common-springsummer-culprits\"><span id=\"most-common-spring-summer-culprits\">Most common spring\/summer culprits:<\/span><\/h3>    <ul class=\"wp-block-list\"> <li><strong>Grubs<\/strong> (white grubs\/<a href=\"https:\/\/lawnlove.com\/blog\/how-to-get-rid-of-japanese-beetles\/\">Japanese beetle<\/a> larvae): Feed on roots below the soil surface. Typical damage includes apparent drought stress even when soil moisture is adequate, and turf that pulls up easily, according to <a href=\"https:\/\/extension.uga.edu\/publications\/detail.html?number=C940&amp;title=white-grub-pests-of-turfgrass\" target=\"_blank\" rel=\"noreferrer noopener\">UGA Extension<\/a>.&nbsp;<\/li>    <li><strong>Chinch bugs<\/strong>: Inject toxin into grass blades, causing yellow-to-brown spreading patches in hot, dry areas.<\/li>    <li><strong>Sod webworms<\/strong>: Surface feeders; damage looks like close-cropped or chewed grass with silken tunnels at the soil level.<\/li>    <li><strong>Armyworms:<\/strong> Rapid defoliators. <a href=\"https:\/\/extension.psu.edu\/fall-armyworm-invasion\" target=\"_blank\" rel=\"noreferrer noopener\">Penn State Extension<\/a> reports armyworms can strip large sections of turf nearly bare as they march through in groups.<\/li> <\/ul>    <p class=\"wp-block-paragraph\">According to a 2025 survey from <a href=\"https:\/\/golfcourselawn.store\/pages\/the-state-of-u-s-lawns-survey-analysis-2025\" target=\"_blank\" rel=\"noreferrer noopener\">Golf Course Lawn Store<\/a>, 40% of U.S. homeowners struggle with lawn pests such as moles, insects, and grubs, making pests the second most common lawn challenge after weeds.<\/p>    <p class=\"wp-block-paragraph\">Misidentification is common.<\/p>    <p class=\"wp-block-paragraph\">&#8220;I see a lot of people misidentify bufo toad holes and mole cricket holes in lawns for moles,&#8221; says Daniel Banting, technician at <a href=\"https:\/\/www.nativepestmanagement.com\/contact-us\/?utm_campaign=gbp-west-palm-beach&amp;utm_medium=organic&amp;utm_source=google\" target=\"_blank\" rel=\"noreferrer noopener\">Native Pest Management<\/a> in West Palm Beach, FL. &#8220;They misidentify and perform wrong treatments, causing a delay in solving the problem.&#8221;<\/p>    <p class=\"wp-block-paragraph\"><strong>Read more:<\/strong><\/p>    <ul class=\"wp-block-list\"> <li><a href=\"https:\/\/lawnlove.com\/blog\/common-summer-lawn-pests\/\">Common Summer Lawn Pests<\/a><\/li>    <li><a href=\"https:\/\/lawnlove.com\/blog\/signs-of-moles-in-yard\/\">Signs of Moles in Your Yard<\/a><\/li>    <li><a href=\"https:\/\/lawnlove.com\/blog\/benefits-attracting-birds-your-yard\/\">Benefits of Attracting Birds to Your Yard<\/a><\/li> <\/ul>    <h2 class=\"wp-block-heading\" id=\"4-signs-of-lawn-disease\"><span id=\"signs-of-lawn-disease\">Signs of lawn disease<\/span><\/h2>    <figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2022\/02\/red-thread-disease.jpg\" alt=\"A patch of grass with visible red threads indicating fungal infection affecting the turf.\" class=\"wp-image-44958\" srcset=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2022\/02\/red-thread-disease.jpg 800w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2022\/02\/red-thread-disease-300x225.jpg 300w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2022\/02\/red-thread-disease-768x576.jpg 768w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2022\/02\/red-thread-disease-510x382.jpg 510w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2022\/02\/red-thread-disease-610x458.jpg 610w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Red Thread Disease. Photo Credit: <a href=\"https:\/\/www.flickr.com\/photos\/lawnsciencesm\/31387492642\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kris Lord<\/a> \/ Flickr \/ <a href=\"https:\/\/creativecommons.org\/licenses\/by\/2.0\/\" target=\"_blank\" rel=\"noreferrer noopener\">CC BY 2.0<\/a><\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">The most important signal: damage spreads in predictable patterns with visible markings on individual blades, and often worsens with more water.<\/p>    <h3 class=\"wp-block-heading\" id=\"5-key-signs\"><span id=\"key-signs-2\">Key signs:<\/span><\/h3>    <ul class=\"wp-block-list\"> <li><strong>Circular or ring-shaped patches<\/strong> with clear edges between healthy and damaged grass.<\/li>    <li><strong>Spots, lesions, or color changes<\/strong> on individual blades, not just at the tip.<\/li>    <li><strong>Powdery, slimy, or thread-like<\/strong> coatings on grass blades.<\/li>    <li><strong>Damage that persists<\/strong> or worsens with extra watering, as moisture fuels disease rather than fixes it.<\/li>    <li><strong>Gradually spread<\/strong> in a defined pattern, unlike pest damage, which can appear almost overnight.<\/li> <\/ul>    <h3 class=\"wp-block-heading\" id=\"6-common-lawn-diseases\"><span id=\"common-lawn-diseases\">Common lawn diseases<\/span><\/h3>    <ul class=\"wp-block-list\"> <li><strong>Brown patch<\/strong>: Circular tan-to-brown rings, <a href=\"https:\/\/lawnlove.com\/blog\/brown-patch-lawn-disease\/\">brown patch<\/a>, worsens when nights stay above 68 degrees F with high humidity. Most damaging to tall fescue, ryegrass, and bentgrass.<\/li>    <li><strong>Dollar spot<\/strong>: Straw-colored spots 2 to 6 inches, <a href=\"https:\/\/lawnlove.com\/blog\/dollar-spot-lawn-disease\/\">dollar spot<\/a> is most active late spring through fall on warm days, cool nights, and heavy dew.<\/li>    <li><strong>Gray leaf spot:<\/strong> Oblong tan-to-gray lesions with purple borders on individual blades. Most damaging during warm, rainy summers. According to<a href=\"https:\/\/hgic.clemson.edu\/factsheet\/leaf-diseases-of-lawns\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Clemson Extension<\/a>, severe cases can make an entire lawn look drought-scorched.<\/li>    <li><strong>Red thread<\/strong>: Pink to red thread-like strands forming circular or irregular patches 4 inches to 2 feet wide. Most common in wet spring and fall weather.&nbsp;<\/li> <\/ul>    <p class=\"wp-block-paragraph\">&#8220;Cutting off your sprinklers for a few days and letting the grass dry out helps to reduce the brown patch fungus,&#8221; Banting says. &#8220;Also, make sure that you, your landscapers, or pest company do not apply any fertilizer containing nitrogen. Nitrogen is like adding gasoline to the fire and will cause the brown patch to quickly spread.&#8221;<\/p>    <p class=\"wp-block-paragraph\">According to the 2025 Golf Course Lawn Store survey, about 30% of U.S. homeowners battle <a href=\"https:\/\/lawnlove.com\/blog\/lawn-fungus\/\">lawn diseases<\/a> and fungal issues, with the highest rates in warm, humid climates.<\/p>    <p class=\"wp-block-paragraph\"><strong>Read more:<\/strong><\/p>    <ul class=\"wp-block-list\"> <li><a href=\"https:\/\/lawnlove.com\/blog\/most-common-st-augustine-grass-diseases\/\">Most Common St. Augustine Grass Diseases<\/a><\/li>    <li><a href=\"https:\/\/lawnlove.com\/blog\/common-diseases-affecting-zoysiagrass\/\">Most Common Diseases Affecting Zoysiagrass<\/a><\/li>    <li><a href=\"https:\/\/lawnlove.com\/blog\/most-common-diseases-in-fine-fescue-grass\/\">Most Common Diseases in Fine Fescue Grass<\/a><\/li> <\/ul>    <h2 class=\"wp-block-heading\" id=\"7-signs-of-drought-stress\"><span id=\"signs-of-drought-stress\">Signs of drought stress<\/span><\/h2>    <figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_280444320-1.jpg\" alt=\"Drought-damaged lawn with bare spots, cracked soil, and dead brown grass\" class=\"wp-image-45615\" srcset=\"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_280444320-1.jpg 800w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_280444320-1-300x200.jpg 300w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_280444320-1-768x512.jpg 768w, https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/AdobeStock_280444320-1-610x406.jpg 610w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">A lawn with dead grass and bare spots caused by drought conditions. Photo Credit: <a href=\"https:\/\/stock.adobe.com\/images\/dead-grass-bare-spots-and-cracks-in-soil-of-lawn-due-to-hot-weather-and-no-rain-causing-drought-conditions\/280444320\" target=\"_blank\" rel=\"noreferrer noopener\">JJ Gouin<\/a> \/ Adobe Stock<\/figcaption><\/figure>    <p class=\"wp-block-paragraph\">The most important signal: large, uniform browning, especially in full-sun areas, that bounces back within days of deep watering.<\/p>    <h3 class=\"wp-block-heading\" id=\"8-key-signs\"><span id=\"key-signs-3\">Key signs<\/span><\/h3>    <ul class=\"wp-block-list\"> <li><strong>Gray-blue or dull green<\/strong> color before browning is one of the earliest visible signs.<\/li>    <li><strong>Blades that curl inward<\/strong> or fold lengthwise as the grass conserves moisture.<\/li>    <li><strong>Footprints that stay visible<\/strong> after walking across the lawn are a sign that the grass lacks the turgor to spring back.<\/li>    <li><strong>Crunchy, brittle blades <\/strong>that snap underfoot.<\/li>    <li><strong>Uniform browning <\/strong>across large sections, especially in full-sun areas.<\/li>    <li><strong>Cracked or compacted soil <\/strong>beneath the affected area.<\/li> <\/ul>    <p class=\"wp-block-paragraph\">Dean Minchillo, urban water program specialist at <a href=\"https:\/\/agrilifeextension.tamu.edu\/\" target=\"_blank\" rel=\"noreferrer noopener\">Texas A&amp;M AgriLife Extension Service<\/a>, describes the color shift: &#8220;As the grass dries out, it shifts from green to a bluish-gray hue. You might also notice the blades curling up like little straws, especially in St. Augustine lawns.&#8221;<\/p>    <p class=\"wp-block-paragraph\">&#8220;Ideally, you want the soil to be moist to a depth of at least six inches,&#8221; Minchillo says. &#8220;This encourages deep root growth and helps sustain the grass between waterings. Shallow watering leads to shallow roots, which dry out quickly in the summer.&#8221;<\/p>    <p class=\"wp-block-paragraph\"><strong>The screwdriver test.<\/strong> Push a screwdriver 6 inches into the soil in a brown area. Hard to push in means the soil is dry and drought stress is likely. Slides in easily means moisture is adequate, and something else is causing the damage.<\/p>    <p class=\"wp-block-paragraph\">According to the 2025 Golf Course Lawn Store survey, about 30% of U.S. homeowners struggle with drought stress or watering restrictions, with the highest rates in Western states.<\/p>    <p class=\"wp-block-paragraph\"><strong>Read more:<\/strong><\/p>    <ul class=\"wp-block-list\"> <li><a href=\"https:\/\/lawnlove.com\/blog\/signs-your-lawn-needs-watering\/\">Signs Your Lawn Needs Watering<\/a><\/li>    <li><a href=\"https:\/\/lawnlove.com\/blog\/best-time-to-water-grass\/\">When Is the Best Time to Water Your Grass?<\/a><\/li>    <li><a href=\"https:\/\/lawnlove.com\/blog\/how-long-should-water-lawn\/\">How Long Should You Water Your Lawn?<\/a><\/li> <\/ul>    <h2 class=\"wp-block-heading\" id=\"9-how-to-tell-them-apart-3-diy-field-tests\"><span id=\"how-to-tell-them-apart-3-diy-field-tests\">How to tell them apart: 3 DIY field tests<\/span><\/h2>    <p class=\"wp-block-paragraph\">If the visual signs aren&#8217;t enough, these 3 tests take less than 5 minutes and cost nothing.<\/p>    <h3 class=\"wp-block-heading\" id=\"10-the-footprint-test-\"><span id=\"the-footprint-test\"><strong>The footprint test<\/strong><\/span><\/h3>    <p class=\"wp-block-paragraph\">Walk across the affected area. If footprints stay visible for more than a few minutes, it&#8217;s a strong sign of drought stress. Healthy grass and pest- or disease-damaged grass both bounce back quickly after being stepped on.<\/p>    <h3 class=\"wp-block-heading\" id=\"11-the-screwdriver-test-\"><span id=\"the-screwdriver-test\"><strong>The screwdriver test<\/strong><\/span><\/h3>    <p class=\"wp-block-paragraph\">See the screwdriver test in the drought stress section above. If the screwdriver slides in easily, moisture is adequate, and drought stress is unlikely, move on to the tug test.<\/p>    <h3 class=\"wp-block-heading\" id=\"12-the-tug-test-\"><span id=\"the-tug-test\"><strong>The tug test<\/strong><\/span><\/h3>    <p class=\"wp-block-paragraph\">Grab a handful of brown or yellow grass and pull firmly.<\/p>    <ul class=\"wp-block-list\"> <li>Comes up easily with no roots: grubs or subsurface pest damage<\/li>    <li>Holds firm, but blades look damaged or discolored: likely disease or surface pest feeding<\/li>    <li>Holds firm and soil is dry: drought stress<\/li> <\/ul>    <h2 class=\"wp-block-heading\" id=\"13-what-to-do-once-you-know-the-cause\"><span id=\"what-to-do-once-you-know-the-cause\">What to do once you know the cause<\/span><\/h2>    <p class=\"wp-block-paragraph\"><strong>Pest damage:<\/strong> Identify the specific pest, then treat with <a href=\"https:\/\/lawnlove.com\/blog\/common-spring-lawn-pests\/\">targeted insecticide or biological controls<\/a>. Timing matters. Grubs are best treated in late spring or early summer before they burrow deep.<\/p>    <p class=\"wp-block-paragraph\"><strong>Disease:<\/strong> Improve air circulation, switch to morning-only watering to keep blades dry overnight, and <a href=\"https:\/\/lawnlove.com\/blog\/how-to-treat-lawn-fungus\/\">apply a targeted fungicide<\/a> if needed.<\/p>    <p class=\"wp-block-paragraph\"><strong>Drought stress: <\/strong>If you spot <a href=\"https:\/\/lawnlove.com\/blog\/signs-of-drought-stressed-lawn\/\">signs of drought<\/a>,&nbsp; water deeply at 1-1.5 inches per week, water in the early morning, and hold off on fertilizing until the lawn recovers.<\/p>    <h2 class=\"wp-block-heading\" id=\"14-faqs\"><span id=\"faqs\">FAQs<\/span><\/h2>    <div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1773932512447\"><strong class=\"schema-faq-question\">Can a lawn have pest damage and drought stress at the same time?\u00a0<\/strong> <p class=\"schema-faq-answer\">Yes, and it happens more often than people expect, especially in late summer. Drought-stressed grass has weakened roots and less energy to fight off attack, making it far more vulnerable to pests like grubs and chinch bugs. The tricky part is that both problems can look identical on the surface.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773932523279\"><strong class=\"schema-faq-question\">How fast does lawn pest damage spread compared to disease?\u00a0<\/strong> <p class=\"schema-faq-answer\">Pest damage, especially from armyworms or chinch bugs, can spread visibly within 24 to 72 hours. Lawn disease typically spreads more slowly in predictable patterns over days or weeks. If damage appears overnight or expands rapidly with no clear pattern, pest damage is the more likely culprit.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1773932536931\"><strong class=\"schema-faq-question\">Should I fertilize my lawn if it has brown patches?\u00a0<\/strong> <p class=\"schema-faq-answer\">Not until you know the cause. Fertilizing a drought-stressed lawn can burn already-weakened grass. Fertilizing a lawn with an active disease, especially one with nitrogen, can accelerate fungal spread. Fertilizer does nothing to prevent pest damage. Diagnose first, then treat.<\/p> <\/div> <\/div>    <h3 class=\"wp-block-heading\" id=\"15-when-to-call-a-pro\"><span id=\"when-to-call-a-pro\">When to call a pro<\/span><\/h3>    <p class=\"wp-block-paragraph\">If multiple symptoms overlap, damage is spreading fast, or DIY treatments aren&#8217;t working after 2 to 3 weeks, it&#8217;s time to get a professional diagnosis. Treating the wrong problem, like watering a lawn with grub damage or applying fungicide to an armyworm infestation, can worsen the damage and waste money.<\/p>    <p class=\"wp-block-paragraph\">Misidentification is more common than you might think. According to Banting, homeowners often misidentify lawn damage and &#8220;perform wrong treatments, causing a delay in solving the problem.&#8221;<\/p>    <p class=\"wp-block-paragraph\">When you&#8217;re ready for backup, Lawn Love can connect you with <a href=\"https:\/\/lawnlove.com\/lawn-care-near-me\/\">local lawn care professionals<\/a> who know your grass type, your region, and your season. From <a href=\"https:\/\/lawnlove.com\/lawn-care-near-me\/\">pest control<\/a> and<a href=\"https:\/\/lawnlove.com\/lawn-care-near-me\/\"> lawn mowing<\/a> to <a href=\"https:\/\/lawnlove.com\/services\/lawn-fertilization\/\">professional fertilization<\/a>, handing off the hard work means less guesswork, less wasted product, and more time enjoying your yard.<\/p>    <p class=\"wp-block-paragraph\">Main Image: Pest Damage vs. Disease vs. Drought Stress. <br>Image Credits:<br>Grub: <a href=\"https:\/\/stock.adobe.com\/images\/white-lawn-grub-in-brown-dead-grass-lawncare-insect-and-pest-control-concept\/790129231\" target=\"_blank\" rel=\"noreferrer noopener\">JJ Gouin<\/a> \/ Adobe Stock. <br>Red Thread: <a href=\"https:\/\/www.flickr.com\/photos\/lawnsciencesm\/31579500936\" target=\"_blank\" rel=\"noreferrer noopener\">Kris Lord<\/a> \/ Flickr \/ <a href=\"https:\/\/creativecommons.org\/licenses\/by\/2.0\/deed.en\" target=\"_blank\" rel=\"noreferrer noopener\">CC BY 2.0<\/a> . <br>Drought: <a href=\"https:\/\/stock.adobe.com\/images\/dry-front-lawn-due-to-drought\/525673512\" target=\"_blank\" rel=\"noreferrer noopener\">Christian Delbert<\/a> \/ Adobe Stock<\/p>    <p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Lawn pest damage, disease and drought may look similar, but they\u2019re not. Know how to tell them apart and find out exactly what to do once you know the cause.<\/p>\n","protected":false},"author":93,"featured_media":45622,"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":[126],"tags":[226],"class_list":["post-45604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lawn-care-tips","tag-lawn-care-tips"],"acf":[],"featured_image_src":"https:\/\/lawnlove.com\/blog\/wp-content\/uploads\/2026\/03\/Pest-Damage-vs.-Disease-vs.-Drought-Stress.jpg","author_info":{"display_name":"Raven Wisdom","author_link":"https:\/\/lawnlove.com\/blog\/author\/raven-wisdom\/"},"_links":{"self":[{"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts\/45604","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\/93"}],"replies":[{"embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/comments?post=45604"}],"version-history":[{"count":10,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts\/45604\/revisions"}],"predecessor-version":[{"id":48158,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/posts\/45604\/revisions\/48158"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/media\/45622"}],"wp:attachment":[{"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/media?parent=45604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/categories?post=45604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lawnlove.com\/blog\/wp-json\/wp\/v2\/tags?post=45604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}