{"id":1271,"date":"2010-02-18T13:47:52","date_gmt":"2010-02-18T18:47:52","guid":{"rendered":"https:\/\/extension.umaine.edu\/cranberries\/?page_id=1271"},"modified":"2025-11-06T17:00:34","modified_gmt":"2025-11-06T17:00:34","slug":"birdsfoot-trefoil","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/cranberries\/grower-services\/weeds\/birdsfoot-trefoil\/","title":{"rendered":"Birdsfoot Trefoil"},"content":{"rendered":"<p><strong>Birdsfoot (or Bird&#8217;s-foot) Trefoil <\/strong><\/p>\n<p><strong>Family:<\/strong> Fabaceae (Bean, Pea, Legume Family)<\/p>\n<p><strong>Genus:<\/strong> <em>Lotus<\/em> | <strong>Species:<\/strong> <em>corniculatus <\/em>L.<\/p>\n<p><strong>Description:<\/strong> Birdsfoot trefoil is a moderately long-lived and very widely-distributed herbaceous perennial legume, with its most active growth period occurring in the spring and summer. It has a well developed, branching, tap-like root with side roots located near the soil surface.\u00a0Typically grows to a height of 2 to 3 feet. The stems are slender, multi-branched, and are moderately leafy. \u00a0The leaves are smooth and consist of 5 leaflets. The bloom consists of a showy cluster of bright yellow flowers arranged in a whorl at the end of the stems, and the plants bloom profusely, which makes them popular with pollinators (especially bumble bees). When ripe, the brown seed pods extend outward from the stalk, resembling a bird&#8217;s foot (hence, its name). The plant remains green and succulent even after the seeds have ripened.<strong> [perennial]<\/strong><\/p>\n<p><strong>Habitat:<\/strong> Lawns, fields, and roadsides; It is suited to low and moderately fertile soils possessing relatively poor drainage, and its ideal pH range is 5 to 8. \u00a0It is intolerant of shade.<\/p>\n<p><strong>In Bloom:<\/strong> Early Spring, but continuing into July<\/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-1271 gallery-columns-4 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"221\" src=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107-300x221.jpg\" class=\"attachment-medium size-medium\" alt=\"Photo of a single cluster or whorl of birdsfoot trefoil flowers\" srcset=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107-300x221.jpg 300w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107-105x77.jpg 105w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107-317x233.jpg 317w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107-423x311.jpg 423w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107-634x467.jpg 634w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/birdsfoot-trefoil-062107.jpg 735w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/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\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"Photo of a small patch of birdsfoot trefoil stems and blossoms\" aria-describedby=\"gallery-1-1278\" srcset=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-300x225.jpg 300w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-105x79.jpg 105w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-317x238.jpg 317w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-423x318.jpg 423w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-634x476.jpg 634w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081-500x375.jpg 500w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-081.jpg 666w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1278'>\n\t\t\t\tBirdsfoot Trefoil\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\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"222\" src=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104-300x222.jpg\" class=\"attachment-medium size-medium\" alt=\"Photo of a single cluster or whorl of birdsfoot trefoil flowers, plus a visiting bumblebee collecting pollen\" srcset=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104-300x222.jpg 300w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104-105x78.jpg 105w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104-317x235.jpg 317w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104-423x313.jpg 423w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104-634x469.jpg 634w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/EarlyJuly2009-104.jpg 650w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/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\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"Closeup photo of a birdsfoot trefoil flower cluster, and a visiting bumblebee\" srcset=\"https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-300x225.jpg 300w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-105x79.jpg 105w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-317x238.jpg 317w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-423x318.jpg 423w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-634x476.jpg 634w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c-500x375.jpg 500w, https:\/\/extension.umaine.edu\/cranberries\/wp-content\/uploads\/sites\/40\/2010\/02\/Bumblebee-060206c.jpg 666w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>Photos by C. Armstrong<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Birdsfoot (or Bird&#8217;s-foot) Trefoil Family: Fabaceae (Bean, Pea, Legume Family) Genus: Lotus | Species: corniculatus L. Description: Birdsfoot trefoil is a moderately long-lived and very widely-distributed herbaceous perennial legume, with its most active growth period occurring in the spring and summer. It has a well developed, branching, tap-like root with side roots located near the [&hellip;]<\/p>\n","protected":false},"author":60,"featured_media":0,"parent":470,"menu_order":4,"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-1271","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>Birdsfoot Trefoil - Cooperative Extension: Cranberries - 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\/cranberries\/grower-services\/weeds\/birdsfoot-trefoil\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Birdsfoot Trefoil - Cooperative Extension: Cranberries - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Birdsfoot (or Bird&#8217;s-foot) Trefoil Family: Fabaceae (Bean, Pea, Legume Family) Genus: Lotus | Species: corniculatus L. 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