{"id":1194,"date":"2009-09-30T17:47:19","date_gmt":"2009-09-30T21:47:19","guid":{"rendered":"http:\/\/carleton.ca\/biology\/?p=1194"},"modified":"2026-02-23T15:51:51","modified_gmt":"2026-02-23T20:51:51","slug":"fall-foliage-101-why-leaves-turn-different-colours","status":"publish","type":"post","link":"https:\/\/carleton.ca\/biology\/2009\/fall-foliage-101-why-leaves-turn-different-colours\/","title":{"rendered":"Fall Foliage 101: Why leaves turn different colours"},"content":{"rendered":"\n<section class=\"w-screen px-6 cu-section cu-section--white ml-offset-center md:px-8 lg:px-14\">\n    <div class=\"space-y-6 cu-max-w-child-5xl  md:space-y-10 cu-prose-first-last\">\n\n            <div class=\"cu-textmedia flex flex-col lg:flex-row mx-auto gap-6 md:gap-10 my-6 md:my-12 first:mt-0 max-w-5xl\">\n        <div class=\"justify-start cu-textmedia-content cu-prose-first-last\" style=\"flex: 0 0 100%;\">\n            <header class=\"font-light prose-xl cu-pageheader md:prose-2xl cu-component-updated cu-prose-first-last\">\n                                    <h1 class=\"cu-prose-first-last font-semibold !mt-2 mb-4 md:mb-6 relative after:absolute after:h-px after:bottom-0 after:bg-cu-red after:left-px text-3xl md:text-4xl lg:text-5xl lg:leading-[3.5rem] pb-5 after:w-10 text-cu-black-700 not-prose\">\n                        Fall Foliage 101: Why leaves turn different colours\n                    <\/h1>\n                \n                                \n                            <\/header>\n\n                    <\/div>\n\n            <\/div>\n\n    <\/div>\n<\/section>\n\n<p><span>Dr. Root Gorelick, Department of Biology<br>\nSeptember 30 Science Cafe<br>\n<\/span><strong>Wild Oat Caf\u00e9<\/strong><br>\n817 Bank Street, Ottawa<br>\n6:30 &#8211; 7:30 p.m.<\/p>\n\n\n\n<p>Why do different leaves turn different colours in fall? Might this benefit the plant? What can we discern from leaves that also turn colour as they unfurl in spring or are under stress in summer? Can we thus explain why the Canadian flag is red, not yellow?<\/p>\n\n\n\n<p><a href=\"http:\/\/www.rogerstv.com\/get.asp?lid=93&amp;rid=4&amp;sid=68&amp;mid=3&amp;arid=4&amp;oth=1&amp;gid=58684\" target=\"_blank\">Watch video of talk<\/a>&nbsp;| <a href=\"http:\/\/podcast.cbc.ca\/mp3\/ottallinaday_20090928_20824.mp3\" target=\"_blank\">Listen to CBC radio interview<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dr. Root Gorelick, Department of Biology September 30 Science Cafe Wild Oat Caf\u00e9 817 Bank Street, Ottawa 6:30 &#8211; 7:30 p.m. Why do different leaves turn different colours in fall? Might this benefit the plant? What can we discern from leaves that also turn colour as they unfurl in spring or are under stress in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-1194","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":{"cu_post_thumbnail":false},"_links":{"self":[{"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/posts\/1194","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/comments?post=1194"}],"version-history":[{"count":0,"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/posts\/1194\/revisions"}],"wp:attachment":[{"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/media?parent=1194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/categories?post=1194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/carleton.ca\/biology\/wp-json\/wp\/v2\/tags?post=1194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}