{"id":2635,"date":"2011-04-19T11:43:29","date_gmt":"2011-04-19T15:43:29","guid":{"rendered":"https:\/\/extension.umaine.edu\/blueberries\/"},"modified":"2024-02-05T16:07:56","modified_gmt":"2024-02-05T21:07:56","slug":"common-milkweed","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/herbaceous-broadleaf-weeds\/pink-flowers\/common-milkweed\/","title":{"rendered":"Common milkweed"},"content":{"rendered":"<p><em>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated December 2017.<\/em><\/p>\n<p><strong>Scientific name:<\/strong> <em>Asclepias syriaca<\/em> L.<\/p>\n<p><strong>Common name(s): <\/strong>common milkweed<\/p>\n<p><strong>Links: <\/strong><a href=\"https:\/\/plants.usda.gov\/home\/plantProfile?symbol=ASSY\" target=\"_blank\" rel=\"noopener noreferrer\">USDA PLANTS Profile<\/a> , <a href=\"http:\/\/www.wildflower.org\/plants\/result.php?id_plant=ASSY\" target=\"_blank\" rel=\"noopener noreferrer\">NPIN Profile<\/a>, <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/asclepias\/syriaca\/\" 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-2635 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\/2011\/02\/Asclepias-syriaca-1c.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Asclepias-syriaca-1c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca pre-flower early June\" aria-describedby=\"gallery-1-2637\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Asclepias-syriaca-1c-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Asclepias-syriaca-1c-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-1-2637'>\n\t\t\t\tpre-flower early June\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\/2011\/02\/Asclepias-syriaca-2c.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Asclepias-syriaca-2c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca leaf veination\" aria-describedby=\"gallery-1-2636\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Asclepias-syriaca-2c-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2011\/02\/Asclepias-syriaca-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-1-2636'>\n\t\t\t\tpre-flower showing leaf vein pattern\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\/06\/Asclepias-syriaca-10.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-10-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca leaf\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-10-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-10-32x32.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\/2017\/12\/Asclepias-syriaca-2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca flower buds\" aria-describedby=\"gallery-1-12605\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-2-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-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-1-12605'>\n\t\t\t\tflowerbuds\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\/2017\/12\/Asclepias-syriaca-3.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca early flower\" aria-describedby=\"gallery-1-12606\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-3-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-3-105x106.jpg 105w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/12\/Asclepias-syriaca-3-32x32.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-1-12606'>\n\t\t\t\tearly flower, early July\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\/06\/Asclepias-syriaca-6.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-6-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca in flower mid-July\" aria-describedby=\"gallery-1-8875\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-6-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-6-32x32.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-1-8875'>\n\t\t\t\tin flower, mid-July\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\/06\/Asclepias-syriaca-9.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-9-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca flowers\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-9-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-9-32x32.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 portrait'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-11.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-11-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca flower color variable\" aria-describedby=\"gallery-1-8878\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-11-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-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-1-8878'>\n\t\t\t\tvariation in flower color\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\/2013\/04\/Asclepias-syriaca-1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Asclepias-syriaca-1-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"monarch butterfly caterpillar on milkweed\" aria-describedby=\"gallery-1-7961\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Asclepias-syriaca-1-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Asclepias-syriaca-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-1-7961'>\n\t\t\t\tmonarch butterfly larvae feeding, late July\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\/Asclepias-syriaca-002.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Asclepias-syriaca-002-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca senescing flowers\" aria-describedby=\"gallery-1-7960\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Asclepias-syriaca-002-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/04\/Asclepias-syriaca-002-32x32.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-1-7960'>\n\t\t\t\tsenescing flowers, late July\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\/06\/Asclepias-syriaca-13.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-13-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Asclepias syriaca seed pods\" aria-describedby=\"gallery-1-8879\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-13-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2013\/06\/Asclepias-syriaca-13-32x32.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-1-8879'>\n\t\t\t\tseedpods, mid to late August\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><strong>Description:<\/strong><\/p>\n<p>-perennial<\/p>\n<p>-generally flowers June to August in ME<\/p>\n<p>-quickly spreads through rhizomes and seed dispersal<\/p>\n<p>-can grow to five feet tall<\/p>\n<p>-large thick leaves<\/p>\n<p>-broken leaves spew a milky liquid<\/p>\n<p>-pink flower clusters at the top of the plant<\/p>\n<p>-may be confused with <em>A. purpurascens<\/em>; see left sidebar on <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/asclepias\/syriaca\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a> webpage<\/p>\n<p><strong>Habitat:<\/strong><\/p>\n<p>-found in fields and pastures<\/p>\n<p>-along roads<\/p>\n<p>-prefers full sun<\/p>\n<ul>\n<li>can tolerate part shade<\/li>\n<\/ul>\n<p><strong>Agriculture:<\/strong><\/p>\n<p>-over 450 insects that feed off this plant<\/p>\n<p>-attracts bees and butterflies<\/p>\n<p>-contains toxins to defend itself which the monarch butterfly takes advantage of<\/p>\n<p>-difficult to remove<\/p>\n<p><strong>Natural History:<\/strong><\/p>\n<p>-named after the Greek God of Medicine, Asklepios<\/p>\n<p>-historical use of being used for wart removal and lung diseases<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Source(s):<\/strong><\/p>\n<p>Heinrich, B. 1976. Flowering phenologies: Bog, woodland, and disturbed habitats. <em>Ecology<\/em>. 57(5):890-899.<\/p>\n<p>Taylor, David. \u201cU.S. Forest Service.\u201d <i>Wildflowers<\/i>, www.fs.fed.us\/wildflowers\/plant-of-the-week\/asclepias_syriaca.shtml.<\/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. Updated December 2017. Scientific name: Asclepias syriaca L. Common name(s): common milkweed 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: -perennial -generally flowers June to [&hellip;]<\/p>\n","protected":false},"author":218,"featured_media":14533,"parent":6082,"menu_order":1,"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-2635","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Common milkweed - 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\/herbaceous-broadleaf-weeds\/pink-flowers\/common-milkweed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Common milkweed - 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 December 2017. Scientific name: Asclepias syriaca L. 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