{"id":17113,"date":"2026-07-06T15:44:55","date_gmt":"2026-07-06T22:44:55","guid":{"rendered":"https:\/\/www.cleanwaterstore.com\/blog\/?p=17113"},"modified":"2026-10-11T15:42:13","modified_gmt":"2026-10-11T22:42:13","slug":"boron-toxicity-irrigation-well-water","status":"publish","type":"post","link":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/","title":{"rendered":"Boron in Well Water: Is It Killing Your Plants?"},"content":{"rendered":"<p><!-- ============================================================ PASTE INTO WORDPRESS: Switch to Text\/Code editor, paste below SEO Title: Boron in Well Water: Is It Killing Your Plants? Focus Keyphrase: boron toxicity irrigation water Slug: \/blog\/boron-toxicity-irrigation-well-water\/ Meta Description: Brown leaf tips, dying fruit trees, and poor harvests may be caused by boron in your well water \u2014 not fertilizer. Gerry from Clean Water Store explains safe boron levels, which plants are most sensitive, and how to treat high boron irrigation water. ============================================================ --><\/p>\n<p>Brown tips on your citrus leaves. Grapevines that aren&#8217;t producing the way they used to. Avocado trees that look stressed despite regular watering and feeding. If you&#8217;ve been troubleshooting these problems without a clear answer, your well water may be worth a closer look, and specifically for boron.<\/p>\n<p>Boron is one of the most misunderstood irrigation water problems. It shows up on water test reports, but many homeowners aren&#8217;t sure what the number means or whether it&#8217;s a problem. In this video, Gerry from Clean Water Store walks through exactly what boron does to plants, how to interpret your water test results, and what treatment options are available.<\/p>\n<div style=\"max-width: 650px; margin: 0 auto;\">\n<div style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" title=\"Boron in Well Water \u2014 Is It Killing Your Plants?\" src=\"https:\/\/www.youtube.com\/embed\/F5Flz1ktm5A?si=YZP974_u4dj2_s6v\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><em>Article last updated July 6th, 2026.<\/em><\/p>\n<h2>What Is Boron and Why Do Plants Need It?<\/h2>\n<p>Boron is an essential micronutrient and plants require it in very small amounts for cell wall formation, pollen germination, fruit set, sugar transport, and protein synthesis. Without any boron at all, plants show deficiency symptoms including hollow stems, poor fruit set, and distorted new growth.<\/p>\n<p>The problem is that the range between too little and too much is extremely narrow. <strong>Boron is one of the few plant nutrients where the difference between deficiency and toxicity is measured in fractions of a part per million.<\/strong> What helps at trace levels becomes toxic at slightly elevated levels and that elevated level can come directly from your irrigation water.<\/p>\n<h2>When Does Boron Become Toxic to Plants?<\/h2>\n<p>According to the <a href=\"https:\/\/ipm.ucanr.edu\/PMG\/GARDEN\/PLANTS\/DISORDERS\/boronexcess.html\" target=\"_blank\" rel=\"noopener noreferrer\">University of California Integrated Pest Management Program<\/a>, boron toxicity in most landscape plants occurs when irrigation water exceeds approximately 0.5 ppm boron. The <a href=\"https:\/\/extension.psu.edu\/interpreting-irrigation-water-tests\" target=\"_blank\" rel=\"noopener noreferrer\">Pennsylvania State University Extension<\/a> similarly notes that boron toxicity may occur when irrigation water exceeds 0.5 to 1.0 mg\/L, particularly with long-term slow-growing crops.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17119 aligncenter\" src=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-1024x680.png\" alt=\"Avocado crops and citrus groves are sensitive to boron in well water. \" width=\"550\" height=\"365\" data-id=\"17119\" srcset=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-1024x680.png 1024w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-300x199.png 300w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-768x510.png 768w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-400x266.png 400w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-500x332.png 500w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops-1536x1020.png 1536w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/avocado_crops.png 1700w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/p>\n<p>These are low thresholds. Well water in arid and semi-arid regions, particularly in California, Nevada, Arizona, and the southwestern United States, frequently contains boron levels that exceed these limits. <a href=\"https:\/\/extension.unr.edu\/publication.aspx?PubID=3316\" target=\"_blank\" rel=\"noopener noreferrer\">University of Nevada Reno Extension<\/a> notes that well water near geothermal areas or earthquake faults may contain particularly high boron concentrations.<\/p>\n<p>Boron also accumulates in soil over time. Each irrigation cycle deposits more boron into the root zone, and as water evaporates the boron concentrates further. A well water source that tests borderline may still cause cumulative damage over a full growing season.<\/p>\n<h2>How Boron Toxicity Is Different From SAR Problems<\/h2>\n<p>Homeowners dealing with irrigation water problems often see both boron and sodium on their water test report and aren&#8217;t sure which one is causing the damage. They are different problems with different mechanisms.<\/p>\n<p><strong>SAR (Sodium Adsorption Ratio)<\/strong> measures sodium relative to calcium and magnesium in your water. High SAR causes sodium to displace beneficial minerals in soil, degrading soil structure over time. The damage is indirect and\u00a0 compacted, poorly draining soil suffocates roots. Plants can look wilted or drought-stressed even with regular irrigation.<\/p>\n<p><strong>Boron toxicity is a direct ion toxicity.<\/strong> Boron is absorbed through plant roots and accumulates in leaf tissue. Once it reaches a toxic concentration in the leaf, it causes direct cellular damage. The visual symptoms are different and a water test is the only reliable way to know which problem you are dealing with, or whether both are present simultaneously.<\/p>\n<h2>What Boron Toxicity Looks Like on Plants<\/h2>\n<p>Boron accumulates in the oldest leaf tissue first, which means symptoms appear on older leaves before newer growth. Classic boron toxicity symptoms include:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: circle;\">\n<li><strong>Brown or scorched leaf tips and margins<\/strong> \u2014 starting at the edges and progressing inward as damage increases<\/li>\n<li><strong>Blackened or irregularly shaped spots<\/strong> between leaf veins on more severely affected leaves<\/li>\n<li><strong>Yellowing of older leaves<\/strong> before browning and die-back<\/li>\n<li><strong>Poor fruit set and reduced yield<\/strong> on fruit trees and vines<\/li>\n<li><strong>Lower fruit quality<\/strong> \u2014 smaller size, off flavors, premature drop<\/li>\n<li><strong>Needle die-back from the tips downward<\/strong> on conifers, with most damage on older needles<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>One important diagnostic note: these symptoms look similar to salt burn, chloride toxicity, and certain nutrient deficiencies. Visual symptoms alone cannot definitively identify boron toxicity. A water test and in some cases a plant tissue test are needed for a definitive diagnosis.<\/p>\n<p><!-- CTA BANNER --><\/p>\n<div style=\"background-color: #e8f4f8; border-left: 4px solid #2a7ab5; padding: 20px 24px; margin: 32px 0; border-radius: 4px;\">\n<p style=\"margin: 0 0 8px 0;\"><strong>Does your water test report show boron?<\/strong><\/p>\n<p style=\"margin: 0 0 16px 0;\">Not sure what the number means for your plants? Our WQA-certified water specialists review irrigation water test results every day and can help you understand whether your boron level is a concern and what to do about it.<\/p>\n<p style=\"margin: 0;\"><a style=\"background-color: #2a7ab5; color: white; padding: 10px 20px; text-decoration: none; border-radius: 4px; display: inline-block;\" href=\"https:\/\/go.appointmentcore.com\/book\/eZeZdVQj\">Schedule a Free Consultation \u2192<\/a><\/p>\n<\/div>\n<h2>Which Plants Are Most Sensitive to Boron?<\/h2>\n<p>Plant sensitivity to boron varies enormously by species. This is why you may see damage on some plants in your garden while others right next to them on the same irrigation zone appear perfectly healthy.<\/p>\n<p><strong>Most sensitive \u2014 show damage at low boron levels:<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: circle;\">\n<li>Citrus (lemon, orange, grapefruit)<\/li>\n<li>Avocado<\/li>\n<li>Grapevines<\/li>\n<li>Stone fruits (peach, cherry, plum, apricot)<\/li>\n<li>Strawberries<\/li>\n<li>Beans and peas<\/li>\n<li>Many ornamental shrubs and trees<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Moderately sensitive:<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: circle;\">\n<li>Tomatoes and peppers<\/li>\n<li>Corn<\/li>\n<li>Lettuce and leafy greens<\/li>\n<li>Walnut \u2014 note that walnut trees irrigated with moderate boron levels may produce nuts without obvious fruit damage but show severe leaf toxicity symptoms by end of season, reducing long-term tree vigor<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17125 aligncenter\" src=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-1024x679.png\" alt=\"Tomato crop using well water irrigation\" width=\"550\" height=\"365\" data-id=\"17125\" srcset=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-1024x679.png 1024w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-300x199.png 300w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-768x509.png 768w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-400x265.png 400w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-500x331.png 500w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop-1536x1018.png 1536w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/tomato_crop.png 1700w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/p>\n<p><strong>More tolerant:<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: circle;\">\n<li>Asparagus<\/li>\n<li>Beets and sugar beets<\/li>\n<li>Bermuda grass and some turf varieties<\/li>\n<li>Certain native and drought-tolerant shrubs<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>How to Read a Boron Result on Your Water Test<\/h2>\n<p>Boron on a water test report is expressed in milligrams per liter (mg\/L) or parts per million (ppm) \u2014 these are equivalent units.<\/p>\n<p>A simple interpretation framework:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: circle;\">\n<li><strong>Below 0.5 ppm<\/strong> \u2014 generally safe for most plants including sensitive species<\/li>\n<li><strong>0.5 to 1.0 ppm<\/strong> \u2014 marginal range; sensitive plants may show symptoms with long-term irrigation, tolerant plants usually unaffected<\/li>\n<li><strong>1.0 to 2.0 ppm<\/strong> \u2014 problematic for most landscape plants and fruit trees; treatment should be considered<\/li>\n<li><strong>Above 2.0 ppm<\/strong> \u2014 high risk for most crops and ornamentals; treatment required for sensitive species<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Important: a general salinity test that measures only TDS or electrical conductivity does not tell you your boron concentration. Boron requires a specific test. Request a water test that explicitly includes boron alongside TDS, sodium, SAR, chloride, pH, and alkalinity for a complete irrigation water evaluation.<\/p>\n<h2>Treatment Options for High Boron Irrigation Water<\/h2>\n<h3>Reverse Osmosis<\/h3>\n<p>Reverse osmosis is one of the most effective technologies for boron removal. RO membranes physically reject boron molecules, reducing levels significantly. One important factor: boron removal by RO is pH-dependent. At lower pH levels, boron exists primarily as boric acid which passes through membranes more readily. At higher pH levels (above 8.5 to 9), boron converts to borate ion which RO rejects more effectively. pH adjustment upstream of an RO system can significantly improve boron removal efficiency.<\/p>\n<p><a href=\"https:\/\/www.cleanwaterstore.com\/reverse-osmosis.html\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-13829 size-full\" src=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2025\/05\/Reverse_Osmosis_USA_1-e1776193101836.jpg\" alt=\"Compact reverse osmosis water filtration system with white tank, three-stage filter unit, and chrome faucet, designed for high-flow 60 GPD filtration.\" width=\"500\" height=\"309\" data-id=\"13829\" srcset=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2025\/05\/Reverse_Osmosis_USA_1-e1776193101836.jpg 500w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2025\/05\/Reverse_Osmosis_USA_1-e1776193101836-300x185.jpg 300w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2025\/05\/Reverse_Osmosis_USA_1-e1776193101836-400x247.jpg 400w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h3>Anion Exchange<\/h3>\n<p>Boron-selective anion exchange resins can effectively reduce boron levels in irrigation water. Standard water softeners do not remove boron, a specialized resin designed for boron removal is required. This approach can be effective for irrigation applications where treating larger water volumes is necessary.<\/p>\n<h3>Blending Water Sources<\/h3>\n<p>For some properties, blending high-boron well water with a lower-boron source like municipal water, rainwater capture, or a secondary well, is a practical and cost-effective solution. Diluting the boron concentration below the toxicity threshold for your specific plants can solve the problem without a full treatment system. The feasibility depends on your property, water availability, and the boron level in your well.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17120 aligncenter\" src=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-1024x680.png\" alt=\"Strawberries growing, with well water and irrigation.\" width=\"550\" height=\"365\" data-id=\"17120\" srcset=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-1024x680.png 1024w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-300x199.png 300w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-768x510.png 768w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-400x266.png 400w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-500x332.png 500w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-1536x1020.png 1536w, https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries.png 1560w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/p>\n<h3>Plant Selection<\/h3>\n<p>Where treatment is not practical, selecting boron-tolerant plant species for areas irrigated with high-boron water is the most straightforward management approach. This is not a fix for existing sensitive plants but is worth considering for new landscaping installations.<\/p>\n<h2>The Right Starting Point: A Water Test<\/h2>\n<p>If your well water is used for irrigation and you&#8217;re experiencing unexplained leaf damage, declining fruit production, or landscaping problems that don&#8217;t respond to fertilizer or watering adjustments, boron is worth testing for specifically.<\/p>\n<p>Ask about <a href=\"https:\/\/www.cleanwaterstore.com\/water-testing.html\">a water test<\/a> that includes boron along with the full range of parameters relevant to irrigation water quality. Once you know what you&#8217;re working with, the right solution becomes clear.<\/p>\n<p>Whether you buy from us or not, we hope understanding your water better helps you give your garden, orchard, and landscaping the best possible chance.<\/p>\n<p><!-- SCHEDULE A CALL CTA --><\/p>\n<div style=\"background-color: #2a7ab5; padding: 28px 24px; margin: 32px 0; border-radius: 4px; text-align: center;\">\n<p style=\"margin: 0 0 8px 0; color: #ffffff; font-size: 1.2em;\"><strong>Not sure what your boron level means for your plants?<\/strong><\/p>\n<p style=\"margin: 0 0 20px 0; color: #ffffff;\">Schedule a free call with one of our WQA-certified water specialists. We&#8217;ll review your water test results and help you find the right solution for your property.<\/p>\n<p><a style=\"background-color: #ffffff; color: #2a7ab5; padding: 12px 28px; text-decoration: none; border-radius: 4px; display: inline-block; font-weight: bold;\" href=\"https:\/\/go.appointmentcore.com\/book\/eZeZdVQj\">Schedule a Free Call \u2192<\/a><\/p>\n<\/div>\n<p><!-- RELATED RESOURCES --><\/p>\n<div style=\"background-color: #f5f5f5; padding: 20px 24px; margin: 32px 0; border-radius: 4px;\">\n<p style=\"margin: 0 0 12px 0;\"><strong>Related Resources<\/strong><\/p>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li><a href=\"https:\/\/www.cleanwaterstore.com\/blog\/well-water-irrigation-lawn-garden-problems\/\">Is Your Well Water Killing Your Lawn and Garden?<\/a><\/li>\n<li><a href=\"https:\/\/www.cleanwaterstore.com\/blog\/well-water-summer-testing-checklist\/\">When Should You Test Your Well Water? A Summer Checklist<\/a><\/li>\n<li><a href=\"https:\/\/www.cleanwaterstore.com\/blog\/blog-how-to-size-iron-filter-well-water\/\">How to Size an Iron Filter for Your Well Water<\/a><\/li>\n<\/ul>\n<\/div>\n<p><!-- SOURCES --><\/p>\n<div style=\"background-color: #f5f5f5; padding: 20px 24px; margin: 32px 0; border-radius: 4px;\">\n<p style=\"margin: 0 0 12px 0;\"><strong>Sources &amp; Further Reading<\/strong><\/p>\n<ul style=\"margin: 0; padding-left: 20px;\">\n<li><a href=\"https:\/\/ipm.ucanr.edu\/PMG\/GARDEN\/PLANTS\/DISORDERS\/boronexcess.html\" target=\"_blank\" rel=\"noopener noreferrer\">Boron Toxicity in Landscape Plants \u2014 UC IPM, University of California<\/a><\/li>\n<li><a href=\"https:\/\/extension.unr.edu\/publication.aspx?PubID=3316\" target=\"_blank\" rel=\"noopener noreferrer\">Boron and Salt Tolerant Trees and Shrubs \u2014 University of Nevada Reno Extension<\/a><\/li>\n<li><a href=\"https:\/\/extension.psu.edu\/interpreting-irrigation-water-tests\" target=\"_blank\" rel=\"noopener noreferrer\">Interpreting Irrigation Water Tests \u2014 Penn State University Extension<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Brown tips on your citrus leaves. Grapevines that aren&#8217;t producing the way they used to. Avocado trees that look stressed despite regular watering and feeding. If you&#8217;ve been troubleshooting these problems without a clear answer, your well water may be worth a closer look, and specifically for boron. Boron is one of the most misunderstood &hellip; <a href=\"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Boron in Well Water: Is It Killing Your Plants?<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":17120,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17113","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Boron in Well Water: Is It Killing Your Plants? | Clean Water Store<\/title>\n<meta name=\"description\" content=\"Brown leaf tips, dying fruit trees, and poor harvests may be caused by boron in your well water \u2014 not fertilizer. Gerry from Clean Water Store explains safe boron levels, which plants are most sensitive, and how to treat high boron irrigation water.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Boron in Well Water: Is It Killing Your Plants? - Clean Water Store\" \/>\n<meta property=\"og:description\" content=\"Brown tips on your citrus leaves. Grapevines that aren&#039;t producing the way they used to. Avocado trees that look stressed despite regular watering and Clean, Safe Water Solutions from Clean Water Store.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/\" \/>\n<meta property=\"og:site_name\" content=\"The Clean Well Water Report\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/cleanwaterstore\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/cleanwaterstore\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-06T22:44:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-11T22:42:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-1024x680.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"680\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Gerry Bulfin\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gerry Bulfin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/\"},\"author\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/#gerry\"},\"headline\":\"Boron in Well Water: Is It Killing Your Plants?\",\"datePublished\":\"2026-07-06T22:44:55+00:00\",\"dateModified\":\"2026-10-11T22:42:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/\"},\"wordCount\":1443,\"publisher\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/strawberries.png\",\"articleSection\":[\"Treating Well Water\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/\",\"url\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/\",\"name\":\"Boron in Well Water: Is It Killing Your Plants? | Clean Water Store\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/strawberries.png\",\"datePublished\":\"2026-07-06T22:44:55+00:00\",\"dateModified\":\"2026-10-11T22:42:13+00:00\",\"description\":\"Brown leaf tips, dying fruit trees, and poor harvests may be caused by boron in your well water \u2014 not fertilizer. Gerry from Clean Water Store explains safe boron levels, which plants are most sensitive, and how to treat high boron irrigation water.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/strawberries.png\",\"contentUrl\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/strawberries.png\",\"width\":1560,\"height\":1036,\"caption\":\"Strawberries growing, with well water and irrigation.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/boron-toxicity-irrigation-well-water\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Boron in Well Water: Is It Killing Your Plants?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/\",\"name\":\"The Clean Well Water Report\",\"description\":\"Useful Tips and Information About Well Water Treatment Systems &amp; Applications\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.cleanwaterstore.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Boron in Well Water: Is It Killing Your Plants? | Clean Water Store","description":"Brown leaf tips, dying fruit trees, and poor harvests may be caused by boron in your well water \u2014 not fertilizer. Gerry from Clean Water Store explains safe boron levels, which plants are most sensitive, and how to treat high boron irrigation water.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/","og_locale":"en_US","og_type":"article","og_title":"Boron in Well Water: Is It Killing Your Plants? - Clean Water Store","og_description":"Brown tips on your citrus leaves. Grapevines that aren't producing the way they used to. Avocado trees that look stressed despite regular watering and Clean, Safe Water Solutions from Clean Water Store.","og_url":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/","og_site_name":"The Clean Well Water Report","article_publisher":"https:\/\/www.facebook.com\/cleanwaterstore","article_author":"https:\/\/www.facebook.com\/cleanwaterstore","article_published_time":"2026-07-06T22:44:55+00:00","article_modified_time":"2026-10-11T22:42:13+00:00","og_image":[{"width":1024,"height":680,"url":"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries-1024x680.png","type":"image\/png"}],"author":"Gerry Bulfin","twitter_misc":{"Written by":"Gerry Bulfin","Est. reading time":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#article","isPartOf":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/"},"author":{"@id":"https:\/\/www.cleanwaterstore.com\/#gerry"},"headline":"Boron in Well Water: Is It Killing Your Plants?","datePublished":"2026-07-06T22:44:55+00:00","dateModified":"2026-10-11T22:42:13+00:00","mainEntityOfPage":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/"},"wordCount":1443,"publisher":{"@id":"https:\/\/www.cleanwaterstore.com\/#organization"},"image":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries.png","articleSection":["Treating Well Water"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/","url":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/","name":"Boron in Well Water: Is It Killing Your Plants? | Clean Water Store","isPartOf":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#primaryimage"},"image":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries.png","datePublished":"2026-07-06T22:44:55+00:00","dateModified":"2026-10-11T22:42:13+00:00","description":"Brown leaf tips, dying fruit trees, and poor harvests may be caused by boron in your well water \u2014 not fertilizer. Gerry from Clean Water Store explains safe boron levels, which plants are most sensitive, and how to treat high boron irrigation water.","breadcrumb":{"@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#primaryimage","url":"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries.png","contentUrl":"https:\/\/www.cleanwaterstore.com\/blog\/wp-content\/uploads\/2026\/07\/strawberries.png","width":1560,"height":1036,"caption":"Strawberries growing, with well water and irrigation."},{"@type":"BreadcrumbList","@id":"https:\/\/www.cleanwaterstore.com\/blog\/boron-toxicity-irrigation-well-water\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.cleanwaterstore.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Boron in Well Water: Is It Killing Your Plants?"}]},{"@type":"WebSite","@id":"https:\/\/www.cleanwaterstore.com\/blog\/#website","url":"https:\/\/www.cleanwaterstore.com\/blog\/","name":"The Clean Well Water Report","description":"Useful Tips and Information About Well Water Treatment Systems &amp; Applications","publisher":{"@id":"https:\/\/www.cleanwaterstore.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.cleanwaterstore.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/posts\/17113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/comments?post=17113"}],"version-history":[{"count":0,"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/posts\/17113\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/media\/17120"}],"wp:attachment":[{"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/media?parent=17113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/categories?post=17113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cleanwaterstore.com\/blog\/wp-json\/wp\/v2\/tags?post=17113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}