{"id":5193,"date":"2012-02-15T12:12:12","date_gmt":"2012-02-15T17:12:12","guid":{"rendered":"https:\/\/extension.umaine.edu\/blueberries\/?page_id=5193"},"modified":"2025-02-11T04:49:43","modified_gmt":"2025-02-11T09:49:43","slug":"white-spruce","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/white-spruce\/","title":{"rendered":"White spruce"},"content":{"rendered":"<p><em>Prepared by Jennifer L. D&#8217;Appollonio, Assistant <\/em><em>Scientist, University of Maine, Orono, ME 04469.\u00a0Updated March\u00a02018.<\/em><\/p>\n<p><strong>Scientific name:<\/strong> <em>Picea glauca <\/em> (Moench) Voss<\/p>\n<p><strong>Common name(s):<\/strong> white spruce, skunk spruce, cat spruce, Canadian spruce<\/p>\n<p><strong>Links:<\/strong> <a href=\"https:\/\/plants.usda.gov\/home\/plantProfile?symbol=PIGL\" target=\"_blank\" rel=\"noopener noreferrer\">USDA PLANTS Profile<\/a>, <a href=\"http:\/\/www.wildflower.org\/plants\/result.php?id_plant=PIGL\" target=\"_blank\" rel=\"noopener noreferrer\">NPIN Profile<\/a>, <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/picea\/glauca\/\" 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-5193 gallery-columns-4 gallery-size-thumbnail'><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\/2013\/04\/Picea-glauca-1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Picea glauca sapling\" aria-describedby=\"gallery-1-7881\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-1-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-1-32x32.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-1-7881'>\n\t\t\t\tin recently cleared blueberry field\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\/2013\/04\/Picea-glauca-2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Picea glauca hairless twig\" aria-describedby=\"gallery-1-7880\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-2-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-2-32x32.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-1-7880'>\n\t\t\t\thairless twig distinguishes it from red spruce\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\/2013\/04\/Picea-glauca-5.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-5-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Picea glauca new growth\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-5-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Picea-glauca-5-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><strong>Description:<\/strong><\/p>\n<p>-evergreen needles<\/p>\n<ul>\n<li>1\/3 to 3\/4 inches long<\/li>\n<li>cross section is square<\/li>\n<li>tips are pointed but not sharp<\/li>\n<li>green-gray\/green<\/li>\n<li>needles often have a pungent smell that some liken to cat or skunk spray<\/li>\n<\/ul>\n<p>-monecious<\/p>\n<ul>\n<li>males flowers emerge reddish<\/li>\n<li>females flowers emerge purple<\/li>\n<\/ul>\n<p>-cones are 1 1\/2 &#8211; 2 1\/2 inches long<\/p>\n<p>-slender light brown twigs, rounded scales<\/p>\n<p>-bark is thin, gray\/brown<\/p>\n<ul>\n<li>smooth when younger<\/li>\n<li>flaky and scaly when older<\/li>\n<\/ul>\n<p>-can reach 90 feet tall<\/p>\n<p>&#8211; may be confused with red spruce (<em>P. rubens<\/em>), which also occurs in wild blueberry fields but has small hairs on the branchlets; see left sidebar on <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/picea\/glauca\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a> webpage<\/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>Virginia Tech Dept. of Forest Resources and Environmental Conservation. \u201cVirginia Tech Dendrology.\u201d <i>Virginia Tech Dendrology Fact Sheet<\/i>, 2021, dendro.cnre.vt.edu\/dendrology\/syllabus\/factsheet.cfm?ID=103.<\/p>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469.\u00a0Updated March\u00a02018. Scientific name: Picea glauca (Moench) Voss Common name(s): white spruce, skunk spruce, cat spruce, Canadian spruce 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: -evergreen [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":0,"parent":3409,"menu_order":32,"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-5193","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>White spruce - 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\/white-spruce\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"White spruce - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Prepared by Jennifer L. 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