{"id":3084,"date":"2011-04-19T11:56:07","date_gmt":"2011-04-19T15:56:07","guid":{"rendered":"https:\/\/extension.umaine.edu\/blueberries\/"},"modified":"2024-02-07T13:51:35","modified_gmt":"2024-02-07T18:51:35","slug":"northern-red-oak","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/","title":{"rendered":"Northern red oak"},"content":{"rendered":"<p><em>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018.<\/em><\/p>\n<p><strong>Scientific name:<\/strong> <em>Quercus rubra <\/em>L.<\/p>\n<p><strong>Common name(s):<\/strong> northern red oak<\/p>\n<p><strong>Links:<\/strong> <a href=\"https:\/\/plants.usda.gov\/home\/plantProfile?symbol=QURU\" target=\"_blank\" rel=\"noopener noreferrer\">USDA PLANTS Profile<\/a>, <a href=\"http:\/\/www.wildflower.org\/plants\/result.php?id_plant=QURU\" target=\"_blank\" rel=\"noopener noreferrer\">NPIN Profile<\/a>, <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/quercus\/rubra\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a><\/p>\n<p><em><strong>Images:<\/strong> (to see enlargements [PC]: click on image, then right click and choose &#8220;view image&#8221;)<\/em><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 25%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-3084 gallery-columns-4 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-002-opt.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-002-opt-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Quercus rubra young leaves, end of May\" aria-describedby=\"gallery-1-14316\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-002-opt-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-002-opt-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-14316'>\n\t\t\t\tyoung leaves, end of May\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-12-opt.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-12-opt-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Quercus rubra young tree\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-12-opt-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-12-opt-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/03\/Quercus-rubra-11.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/03\/Quercus-rubra-11-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Quercus rubra in recently leveled blueberry field\" aria-describedby=\"gallery-1-9787\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/03\/Quercus-rubra-11-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/03\/Quercus-rubra-11-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-9787'>\n\t\t\t\tin recently leveled blueberry field\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-2-opt.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-2-opt-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Quercus rubra sun leaves\" aria-describedby=\"gallery-1-14314\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-2-opt-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-2-opt-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-14314'>\n\t\t\t\tsun leaves\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Quercus-rubra-2C.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Quercus-rubra-2C-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Quercus rubra shade leaves\" aria-describedby=\"gallery-1-3087\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Quercus-rubra-2C-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Quercus-rubra-2C-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-3087'>\n\t\t\t\tshade leaves\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-1-opt.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-1-opt-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Quercus rubra leaf detail\" aria-describedby=\"gallery-1-14315\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-1-opt-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-1-opt-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-14315'>\n\t\t\t\tleaf detail\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><strong>Description:<em><br \/>\n<\/em><\/strong><\/p>\n<p>-Fagaceae family<\/p>\n<p>-can grow to 20-30 meters tall and have a 36 in DBH<\/p>\n<p>-fruit is an acorn<\/p>\n<ul>\n<li>occurs singularly or in clusters of 2-5<\/li>\n<\/ul>\n<p>-begins to bear fruit at age 25<\/p>\n<p>-do not grow fast enough to compete with fast woody sprouts<\/p>\n<p>&#8211; may be confused with <em>Q. velutina<\/em> or <em>Q. coccinea<\/em>, which is endangered in ME; see left sidebar on <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/quercus\/rubra\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a> webpage<\/p>\n<p><strong>Wildlife:<\/strong><\/p>\n<p>-The most destructive defoliating insect attacking northern red oak is the imported gypsy moth <i>(Lymantria dispar). <\/i><\/p>\n<p>-damage is done to northern red oak acorns by<\/p>\n<ul>\n<li>the nut weevils <i>(Curculio spp.)<\/i><\/li>\n<li><i> <\/i>gall-forming cynipids <i>(Callirhytis spp.)<\/i><\/li>\n<li><i> <\/i>the filbertworm <i>(Melissopus latiferreanus)<\/i><\/li>\n<li>the acorn moth <i>(Valentinia glandulella)<\/i><\/li>\n<\/ul>\n<p>-acorns are an important food for squirrels deer, turkey, mice, voles, and other mammals and birds<\/p>\n<p><strong>Habitat:<\/strong><\/p>\n<p>-forests<\/p>\n<p>-woodlands<\/p>\n<p>&nbsp;<\/p>\n<p>Sources:<\/p>\n<p>Sander, Ivan L. \u201cNorther Red Oak.\u201d <i>Quercus Rubra L<\/i>, USDA, U.S. Forest Service, www.srs.fs.usda.gov\/pubs\/misc\/ag_654\/volume_2\/quercus\/rubra.htm.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018. Scientific name: Quercus rubra L. Common name(s): northern red oak Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose &#8220;view image&#8221;) Description: -Fagaceae family -can grow to [&hellip;]<\/p>\n","protected":false},"author":218,"featured_media":0,"parent":3409,"menu_order":16,"comment_status":"closed","ping_status":"closed","template":"templates\/page-withsidebar.php","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":""},"class_list":["post-3084","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Northern red oak - Cooperative Extension: Maine Wild Blueberries - 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\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Northern red oak - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018. Scientific name: Quercus rubra L. Common name(s): northern red oak Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose &#8220;view image&#8221;) Description: -Fagaceae family -can grow to [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/\" \/>\n<meta property=\"og:site_name\" content=\"Cooperative Extension: Maine Wild Blueberries\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-07T18:51:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-002-opt-150x150.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/\",\"url\":\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/\",\"name\":\"Northern red oak - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension\",\"isPartOf\":{\"@id\":\"https:\/\/extension.umaine.edu\/blueberries\/#website\"},\"datePublished\":\"2011-04-19T15:56:07+00:00\",\"dateModified\":\"2024-02-07T18:51:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/extension.umaine.edu\/blueberries\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Weed ID Tool\",\"item\":\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Woody Weeds\",\"item\":\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Northern red oak\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/extension.umaine.edu\/blueberries\/#website\",\"url\":\"https:\/\/extension.umaine.edu\/blueberries\/\",\"name\":\"Cooperative Extension: Maine Wild Blueberries\",\"description\":\"Information you can use. Research you can trust.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/extension.umaine.edu\/blueberries\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Northern red oak - Cooperative Extension: Maine Wild Blueberries - 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\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/","og_locale":"en_US","og_type":"article","og_title":"Northern red oak - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension","og_description":"Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018. Scientific name: Quercus rubra L. Common name(s): northern red oak Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose &#8220;view image&#8221;) Description: -Fagaceae family -can grow to [&hellip;]","og_url":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/","og_site_name":"Cooperative Extension: Maine Wild Blueberries","article_modified_time":"2024-02-07T18:51:35+00:00","og_image":[{"url":"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Quercus-rubra-002-opt-150x150.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/","url":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/","name":"Northern red oak - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension","isPartOf":{"@id":"https:\/\/extension.umaine.edu\/blueberries\/#website"},"datePublished":"2011-04-19T15:56:07+00:00","dateModified":"2024-02-07T18:51:35+00:00","breadcrumb":{"@id":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/northern-red-oak\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/extension.umaine.edu\/blueberries\/"},{"@type":"ListItem","position":2,"name":"Weed ID Tool","item":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/"},{"@type":"ListItem","position":3,"name":"Woody Weeds","item":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/"},{"@type":"ListItem","position":4,"name":"Northern red oak"}]},{"@type":"WebSite","@id":"https:\/\/extension.umaine.edu\/blueberries\/#website","url":"https:\/\/extension.umaine.edu\/blueberries\/","name":"Cooperative Extension: Maine Wild Blueberries","description":"Information you can use. Research you can trust.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/extension.umaine.edu\/blueberries\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"jparks","author_link":"https:\/\/extension.umaine.edu\/blueberries\/author\/jparks\/"},"comment_info":0,"_links":{"self":[{"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/pages\/3084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/users\/218"}],"replies":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/comments?post=3084"}],"version-history":[{"count":6,"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/pages\/3084\/revisions"}],"predecessor-version":[{"id":25856,"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/pages\/3084\/revisions\/25856"}],"up":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/pages\/3409"}],"wp:attachment":[{"href":"https:\/\/extension.umaine.edu\/blueberries\/wp-json\/wp\/v2\/media?parent=3084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}