{"id":20321,"date":"2022-07-27T08:34:20","date_gmt":"2022-07-27T12:34:20","guid":{"rendered":"https:\/\/extension.umaine.edu\/gardening\/?p=20321"},"modified":"2022-07-27T08:34:50","modified_gmt":"2022-07-27T12:34:50","slug":"rid-soil-of-powdery-mildew-fungus","status":"publish","type":"post","link":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/","title":{"rendered":"Do I need to rid the soil of powdery mildew fungus before planting something new?"},"content":{"rendered":"<h3>Question:<\/h3>\n<p><strong>I have transplanted flocks which had powdery mildew in its first garden to the second garden. In their second garden powdery mildew returned the following summer. I want to plan something different there next year. Do I need to do something to the soil to rid it of the powdery mildew fungus?<\/strong><\/p>\n<h3>Answer:<\/h3>\n<div><em>Caragh B. Fitzgerald, Associate Extension Professor<\/em><\/div>\n<p>No, there is no need to treat your soil for the <a href=\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/phlox-powdery-mildew\/\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/phlox-powdery-mildew\/&amp;source=gmail&amp;ust=1658925213411000&amp;usg=AOvVaw2aAuqMD5-GdwMagoNwvvKT\">phlox powdery mildew<\/a>.\u00a0 There are a variety of fungi that cause powdery mildew.\u00a0 They are specific to different types\u00a0of plants.\u00a0 So, the fungi that cause powdery mildew on squash will not cause powdery mildew on phlox.\u00a0 If you are planting different types of plants in that area, then those fungi won&#8217;t infect the new plants.\u00a0 For more information about managing powdery mildew on phlox, see\u00a0<a href=\"https:\/\/hortnews.extension.iastate.edu\/2003\/7-18-2003\/mildew.html\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/hortnews.extension.iastate.edu\/2003\/7-18-2003\/mildew.html&amp;source=gmail&amp;ust=1658925213411000&amp;usg=AOvVaw3LihOlGgn6D-5QncjiwACE\">this fact sheet<\/a>\u00a0from University of Iowa State University Extension.\u00a0 Even if you were going to keep phlox in that area, we wouldn&#8217;t recommend soil application of a fungicide.\u00a0 Planting resistant varieties, increasing plant spacing, keeping foliage dry when possible are all things that can help.<\/p>\n<div><\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: I have transplanted flocks which had powdery mildew in its first garden to the second garden. In their second garden powdery mildew returned the following summer. I want to plan something different there next year. Do I need to do something to the soil to rid it of the powdery mildew fungus? Answer: Caragh [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[199,204],"tags":[],"class_list":["post-20321","post","type-post","status-publish","format-standard","hentry","category-ask","category-pests"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Do I need to rid the soil of powdery mildew fungus before planting something new? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Do I need to rid the soil of powdery mildew fungus before planting something new? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Question: I have transplanted flocks which had powdery mildew in its first garden to the second garden. In their second garden powdery mildew returned the following summer. I want to plan something different there next year. Do I need to do something to the soil to rid it of the powdery mildew fungus? Answer: Caragh [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\" \/>\n<meta property=\"og:site_name\" content=\"Cooperative Extension: Garden and Yard\" \/>\n<meta property=\"article:published_time\" content=\"2022-07-27T12:34:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-27T12:34:50+00:00\" \/>\n<meta name=\"author\" content=\"twood\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"twood\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\"},\"author\":{\"name\":\"twood\",\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/#\/schema\/person\/9f0056a6c4a281b4f517e1313fa2c518\"},\"headline\":\"Do I need to rid the soil of powdery mildew fungus before planting something new?\",\"datePublished\":\"2022-07-27T12:34:20+00:00\",\"dateModified\":\"2022-07-27T12:34:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\"},\"wordCount\":201,\"articleSection\":[\"Ask the Expert\",\"Managing Insect, Diseases, and Animal Pests\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\",\"url\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\",\"name\":\"Do I need to rid the soil of powdery mildew fungus before planting something new? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension\",\"isPartOf\":{\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/#website\"},\"datePublished\":\"2022-07-27T12:34:20+00:00\",\"dateModified\":\"2022-07-27T12:34:50+00:00\",\"author\":{\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/#\/schema\/person\/9f0056a6c4a281b4f517e1313fa2c518\"},\"breadcrumb\":{\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/extension.umaine.edu\/gardening\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Do I need to rid the soil of powdery mildew fungus before planting something new?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/#website\",\"url\":\"https:\/\/extension.umaine.edu\/gardening\/\",\"name\":\"Cooperative Extension: Garden and Yard\",\"description\":\"Information you can use. Research you can trust.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/extension.umaine.edu\/gardening\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/extension.umaine.edu\/gardening\/#\/schema\/person\/9f0056a6c4a281b4f517e1313fa2c518\",\"name\":\"twood\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/fc8c7b5c8d78336ceef76f813278762e12972bcd042b075da831f24d0320bdb3?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/fc8c7b5c8d78336ceef76f813278762e12972bcd042b075da831f24d0320bdb3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/fc8c7b5c8d78336ceef76f813278762e12972bcd042b075da831f24d0320bdb3?s=96&d=mm&r=g\",\"caption\":\"twood\"},\"url\":\"https:\/\/extension.umaine.edu\/gardening\/author\/twood\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Do I need to rid the soil of powdery mildew fungus before planting something new? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension","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:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/","og_locale":"en_US","og_type":"article","og_title":"Do I need to rid the soil of powdery mildew fungus before planting something new? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension","og_description":"Question: I have transplanted flocks which had powdery mildew in its first garden to the second garden. In their second garden powdery mildew returned the following summer. I want to plan something different there next year. Do I need to do something to the soil to rid it of the powdery mildew fungus? Answer: Caragh [&hellip;]","og_url":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/","og_site_name":"Cooperative Extension: Garden and Yard","article_published_time":"2022-07-27T12:34:20+00:00","article_modified_time":"2022-07-27T12:34:50+00:00","author":"twood","twitter_card":"summary_large_image","twitter_misc":{"Written by":"twood","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/#article","isPartOf":{"@id":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/"},"author":{"name":"twood","@id":"https:\/\/extension.umaine.edu\/gardening\/#\/schema\/person\/9f0056a6c4a281b4f517e1313fa2c518"},"headline":"Do I need to rid the soil of powdery mildew fungus before planting something new?","datePublished":"2022-07-27T12:34:20+00:00","dateModified":"2022-07-27T12:34:50+00:00","mainEntityOfPage":{"@id":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/"},"wordCount":201,"articleSection":["Ask the Expert","Managing Insect, Diseases, and Animal Pests"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/","url":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/","name":"Do I need to rid the soil of powdery mildew fungus before planting something new? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension","isPartOf":{"@id":"https:\/\/extension.umaine.edu\/gardening\/#website"},"datePublished":"2022-07-27T12:34:20+00:00","dateModified":"2022-07-27T12:34:50+00:00","author":{"@id":"https:\/\/extension.umaine.edu\/gardening\/#\/schema\/person\/9f0056a6c4a281b4f517e1313fa2c518"},"breadcrumb":{"@id":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/extension.umaine.edu\/gardening\/2022\/07\/27\/rid-soil-of-powdery-mildew-fungus\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/extension.umaine.edu\/gardening\/"},{"@type":"ListItem","position":2,"name":"Do I need to rid the soil of powdery mildew fungus before planting something new?"}]},{"@type":"WebSite","@id":"https:\/\/extension.umaine.edu\/gardening\/#website","url":"https:\/\/extension.umaine.edu\/gardening\/","name":"Cooperative Extension: Garden and Yard","description":"Information you can use. Research you can trust.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/extension.umaine.edu\/gardening\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/extension.umaine.edu\/gardening\/#\/schema\/person\/9f0056a6c4a281b4f517e1313fa2c518","name":"twood","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/fc8c7b5c8d78336ceef76f813278762e12972bcd042b075da831f24d0320bdb3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/fc8c7b5c8d78336ceef76f813278762e12972bcd042b075da831f24d0320bdb3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/fc8c7b5c8d78336ceef76f813278762e12972bcd042b075da831f24d0320bdb3?s=96&d=mm&r=g","caption":"twood"},"url":"https:\/\/extension.umaine.edu\/gardening\/author\/twood\/"}]}},"taxonomy_info":{"category":[{"value":199,"label":"Ask the Expert"},{"value":204,"label":"Managing Insect, Diseases, and Animal Pests"}]},"featured_image_src_large":false,"author_info":{"display_name":"twood","author_link":"https:\/\/extension.umaine.edu\/gardening\/author\/twood\/"},"comment_info":0,"category_info":[{"term_id":199,"name":"Ask the Expert","slug":"ask","term_group":0,"term_taxonomy_id":199,"taxonomy":"category","description":"This is the top level category for all posts submitted to our Ask the Expert gardening questions form.","parent":0,"count":653,"filter":"raw","cat_ID":199,"category_count":653,"category_description":"This is the top level category for all posts submitted to our Ask the Expert gardening questions form.","cat_name":"Ask the Expert","category_nicename":"ask","category_parent":0},{"term_id":204,"name":"Managing Insect, Diseases, and Animal Pests","slug":"pests","term_group":0,"term_taxonomy_id":204,"taxonomy":"category","description":"","parent":199,"count":196,"filter":"raw","cat_ID":204,"category_count":196,"category_description":"","cat_name":"Managing Insect, Diseases, and Animal Pests","category_nicename":"pests","category_parent":199}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/posts\/20321","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/users\/53"}],"replies":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/comments?post=20321"}],"version-history":[{"count":2,"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/posts\/20321\/revisions"}],"predecessor-version":[{"id":20323,"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/posts\/20321\/revisions\/20323"}],"wp:attachment":[{"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/media?parent=20321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/categories?post=20321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/extension.umaine.edu\/gardening\/wp-json\/wp\/v2\/tags?post=20321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}