{"id":23930,"date":"2024-03-21T16:03:41","date_gmt":"2024-03-21T21:03:41","guid":{"rendered":"https:\/\/blogs.edf.org\/climate411\/?p=23930"},"modified":"2026-03-13T14:49:02","modified_gmt":"2026-03-13T19:49:02","slug":"cherry-blossoms-a-microcosm-of-the-global-climate-crisis","status":"publish","type":"post","link":"https:\/\/blogs.edf.org\/climate411\/2024\/03\/21\/cherry-blossoms-a-microcosm-of-the-global-climate-crisis\/","title":{"rendered":"Cherry blossoms: a microcosm of the global climate crisis"},"content":{"rendered":"<p><em>(This blog was co-authored by EDF Climate Scientist <a href=\"https:\/\/www.edf.org\/people\/fiona-lo\">Fiona Lo<\/a>)<\/em><\/p>\n<p><span data-contrast=\"auto\">Washington D.C.\u2019s famous cherry blossoms are once again blooming earlier than expected.\u00a0<\/span><span data-ccp-props=\"{&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">In fact, this year\u2019s <\/span><span data-contrast=\"none\">peak bloom<\/span><span data-contrast=\"auto\"> occurred t<\/span><i><span data-contrast=\"auto\">wo and a half weeks<\/span><\/i><span data-contrast=\"auto\"> earlier than the average over the past 100 years, due to near-record warm temperatures in March.<\/span><span data-ccp-props=\"{&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">This ranks as the second earliest peak bloom on record. Even the cherry blossom bud cycle occurred faster than any other year in the last two decades.\u00a0<\/span><span data-ccp-props=\"{&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">So what is happening and why is this significant?\u00a0<\/span><span data-ccp-props=\"{&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Here we break down what you need to know about cherry blossoms and climate change.<\/span><span data-ccp-props=\"{&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><!--more--><\/p>\n<p><b><span data-contrast=\"auto\">How climate change is impacting cherry blossoms<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Air temperature is the main driver of the timing of cherry tree flowers blooming, much more than sunlight and rainfall.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">In fact, scientists can predict the timing of cherry blossoms blooming based on the number of days above a particular temperature. (The exact temperature depends on the specific type of tree.) The quicker we experience warm days above this temperature, the earlier cherry blossoms can bloom.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Because climate change is warming up most of the planet, this is affecting the timing of the bloom date for cherry blossoms. In Washington D.C., cherry blossoms on average have been blooming about <\/span><a href=\"https:\/\/www.epa.gov\/climate-indicators\/cherry-blossoms\"><span data-contrast=\"none\">a week earlier<\/span><\/a><span data-contrast=\"auto\"> than 100 years ago \u2013 and this year was even earlier than that.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p>It\u2019s not just a Washington D.C. problem. Almost three thousand miles away, on the other side of the country, the <a href=\"https:\/\/www.seattletimes.com\/seattle-news\/climate-lab\/cherry-blossoms-attract-tourists-and-uw-researchers\/\">cherry blossoms in Seattle, Washington<\/a> also bloomed early this year.<\/p>\n<figure id=\"attachment_23939\" aria-describedby=\"caption-attachment-23939\" style=\"width: 2560px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/\/Seattle-cherry-blossoms-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-23939 size-full\" src=\"https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/\/Seattle-cherry-blossoms-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1920\" srcset=\"https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/Seattle-cherry-blossoms-scaled.jpg 2560w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/Seattle-cherry-blossoms-300x225.jpg 300w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/Seattle-cherry-blossoms-1024x768.jpg 1024w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/Seattle-cherry-blossoms-768x576.jpg 768w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/Seattle-cherry-blossoms-1536x1152.jpg 1536w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/Seattle-cherry-blossoms-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/a><figcaption id=\"caption-attachment-23939\" class=\"wp-caption-text\"><em>Early-blooming cherry blossoms at the University of Washington in Seattle. Photo by Fiona Lo<\/em><\/figcaption><\/figure>\n<p>And i<span data-contrast=\"auto\">n Japan, the spring bloom is now two weeks earlier than historically. And because we have <\/span><a href=\"https:\/\/site.extension.uga.edu\/climate\/2017\/04\/kyoto-cherry-blossom-record-shows-earlier-onset-of-spring\/\"><span data-contrast=\"none\">bloom records<\/span><\/a><span data-contrast=\"auto\"> going back 1,200 years in Japan, we can clearly see that the change in bloom date began a little over 100 years ago, coinciding with the time that human activities started noticeably influencing the climate.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Many <\/span><a href=\"https:\/\/iopscience.iop.org\/article\/10.1088\/1748-9326\/ac6bb4\/meta\"><span data-contrast=\"none\">studies predict<\/span><\/a><span data-contrast=\"auto\"> that cherry blossom bloom dates will continue to get earlier with further climate change, with <\/span><a href=\"https:\/\/www.climatecentral.org\/climate-matters\/cherry-blossoms-coming-earlier\"><span data-contrast=\"none\">some predicting<\/span><\/a><span data-contrast=\"auto\"> peak blooms in early March for Washington D.C. by the end of the century.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">But it\u2019s not as simple as a warmer spring means earlier blooms, because these types of trees also need <\/span><a href=\"https:\/\/www.climatecentral.org\/climate-matters\/fruit-trees-need-winter\"><span data-contrast=\"none\">chilling days<\/span><\/a><span data-contrast=\"auto\"> in order to bloom, which are becoming less frequent with climate change. In <\/span><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0168192323002629\"><span data-contrast=\"none\">some cases<\/span><\/a><span data-contrast=\"auto\"> that has delayed the blooming of cherry blossoms.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Why shifts in cherry blossom timing matters<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;335559738&quot;:160,&quot;335559739&quot;:120}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">As a major tourist attraction and overall beloved event, the earlier peak blooms are a very visual and tangible way to experience climate change firsthand. Through the cherry blossom bloom, you can really see climate change with your own eyes.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<figure id=\"attachment_23941\" aria-describedby=\"caption-attachment-23941\" style=\"width: 225px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/\/D.C.-cherry-blossoms2-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-23941 size-medium\" src=\"https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/\/D.C.-cherry-blossoms2-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/D.C.-cherry-blossoms2-225x300.jpg 225w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/D.C.-cherry-blossoms2-768x1024.jpg 768w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/D.C.-cherry-blossoms2-1152x1536.jpg 1152w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/D.C.-cherry-blossoms2-1536x2048.jpg 1536w, https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/D.C.-cherry-blossoms2-scaled.jpg 1920w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/a><figcaption id=\"caption-attachment-23941\" class=\"wp-caption-text\"><em>Cherry Blossoms in Washington, D.C. Photo by Ilissa Ocko<\/em><\/figcaption><\/figure>\n<p><span data-contrast=\"auto\">It is also a perceptible microcosm of all the other fruit trees and crops undergoing earlier blooms and growth across the world. These shifting timelines can have catastrophic consequences. <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">For example, when a typical freeze occurs normally, but the plants have already started flowering, it can lead to crop damage and loss. That\u00a0can be devastating for food security, farmers and their livelihoods, and the overall economy.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:120,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">So while the blooming cherry blossoms are looked forward to by many, they are also a stark reminder from nature that we must act as fast as possible to curb the climate crisis.\u00a0\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p>For more information, watch this <a href=\"https:\/\/www.youtube.com\/watch?v=PMFU0aX1Yso\">interview with Ilissa Ocko<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(This blog was co-authored by EDF Climate Scientist Fiona Lo) Washington D.C.\u2019s famous cherry blossoms are once again blooming earlier than expected.\u00a0\u00a0 In fact, this year\u2019s peak bloom occurred two and a half weeks earlier than the average over the past 100 years, due to near-record warm temperatures in March.\u00a0 This ranks as the second &#8230;<\/p>\n","protected":false},"author":40054,"featured_media":23934,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[234,95,52,20,42],"tags":[],"coauthors":[108226],"class_list":["post-23930","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agriculture","category-basic-science-of-global-warming","category-extreme-weather","category-news","category-science"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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