{"id":4547,"date":"2021-12-06T12:29:00","date_gmt":"2021-12-06T17:29:00","guid":{"rendered":"https:\/\/alumni.cornell.edu\/cornellians\/?p=4547"},"modified":"2022-08-01T17:30:33","modified_gmt":"2022-08-01T21:30:33","slug":"cacti-expert","status":"publish","type":"post","link":"https:\/\/alumni.cornell.edu\/cornellians\/cacti-expert\/","title":{"rendered":"A Cacti Expert\u2019s Vast L.A. Garden Is a Drought-Tolerant Wonder"},"content":{"rendered":"\n<p class=\"has-text-align-center has-large-font-size rkv-gutter-bottom-triple\">Retired UCLA professor Park Nobel \u201960, BEP \u201961, turned a derelict plot of land into a suburban showpiece<\/p>\n\n\n\n<p class=\"has-drop-cap\">Amid the tony mansions and manicured lawns of Bel Air, one property stands out. In this storied Los Angeles neighborhood\u2014home to movie stars and captains of industry\u2014the 1.6-acre plot is a bona fide horticultural celebrity: a vast, sloping, meticulously maintained garden of succulent plants, tended by the world\u2019s leading expert on the biology of cacti and agaves. <\/p>\n\n\n\n<p>The man behind the garden is Park Nobel \u201960, BEP \u201961\u2014and the property is his yard, located about a mile north of the campus of UCLA, where he\u2019s a <a href=\"https:\/\/faculty.eeb.ucla.edu\/Nobel\/index.php\" target=\"_blank\" rel=\"noopener noreferrer\">distinguished professor emeritus<\/a> of ecology and evolutionary biology. <\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide has-media-on-the-right is-stacked-on-mobile is-style-offset\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-819x1024.jpg\" alt=\"A photo of Park Nobel standing in his backyard cactus garden\" class=\"wp-image-4566 size-full\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-819x1024.jpg 819w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-240x300.jpg 240w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-768x960.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-1229x1536.jpg 1229w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-632x790.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-316x395.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-280x350.jpg 280w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-140x175.jpg 140w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-70x87.jpg 70w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-400x500.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-200x250.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A-100x125.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/IMG_0195-A.jpg 1260w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><figcaption>Nobel in his backyard garden. <\/figcaption><\/figure><div class=\"wp-block-media-text__content\">\n<p>It contains thousands of plants and dozens of species, from the intimidatingly pointy Eve\u2019s needle cactus (<em>Austrocylondriaopuntia subulata<\/em>), native to the Peruvian Andes, to the paddle-shaped, appealingly cartoonish \u201cbunny ears\u201d cactus (<em>Opuntia microdasys<\/em>), which hails from Mexico. There are flowering cacti; cacti towering more than 20 feet tall; clutches of miniature cacti surrounded by modern sculptures; and much, much more.<\/p>\n\n\n\n<p>Nobel\u2019s unlikely oasis has been featured in <a href=\"http:\/\/magazine.ucla.edu\/features\/natural_habitat_prickly_passion\/\" target=\"_blank\" rel=\"noopener noreferrer\">UCLA\u2019s alumni magazine<\/a>; a decade ago, it even got a <a href=\"https:\/\/www.latimes.com\/home\/la-hm-park-nobel-cactus-garden-photos-photogallery.html\" target=\"_blank\" rel=\"noopener noreferrer\">photo spread in the <em>L.A. Times<\/em><\/a>. Admits Nobel: \u201cThere are people who walk up my little street just to see my garden.\u201d<\/p>\n<\/div><\/div>\n\n\n\n<p>But the property wasn\u2019t always like this\u2014not even close. When Nobel first encountered it in 1993, it had languished under the ownership of a developer who\u2019d gone bust. Not only was the yard (then home to just a few random cacti at the periphery) scraggly and overgrown, but the 1950s-era house had been abandoned for years.<\/p>\n\n\n\n<p>\u201cNeighborhood teenagers had used it as a den of iniquity,\u201d Nobel recalls with a laugh. \u201cThe windows were broken. The toilets were broken. There was spaghetti splattered on the ceilings. It was very, very derelict.\u201d<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-1024x576.jpg\" alt=\"A photo of a hillside filled with cacti\" class=\"wp-image-4564\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-1024x576.jpg 1024w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-300x169.jpg 300w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-768x432.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-1536x864.jpg 1536w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A.jpg 1600w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-800x450.jpg 800w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-608x342.jpg 608w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-304x171.jpg 304w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-152x85.jpg 152w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-1184x666.jpg 1184w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-592x333.jpg 592w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03062-A-296x166.jpg 296w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Nobel chose the property, in part, for its south-facing slope\u2014a plus for growing succulents. <\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>It was so bad, in fact, that realtors refused to enter the house, which Nobel\u2014then in the process of an amicable divorce\u2014bought sight unseen. \u201cI liked the fact that it had a south-facing slope,\u201d he explains, \u201cwhich is good for succulent plants.\u201d<\/p>\n\n\n\n<p>Nobel worked side by side with a contractor to restore the home, and turned the yard\u2014which now also features winding pathways and benches for taking in the view\u2014into a succulent showpiece. <\/p>\n\n\n\n<p>In addition to being ahead of its time in swapping out thirsty grass for drought-tolerant plantings, Nobel\u2019s opus boasts many species that are native to far-flung locales, which he obtained by special import permit over the years through his academic work.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Plant biology, with an engineer\u2019s eye<\/strong><\/h2>\n\n\n\n<p>In the middle generation of a Cornellian family, Nobel is the son of James Nobel \u201926, MA \u201929, and Ruth Uetz Nobel \u201929, and the father of Catherine Nobel \u201991. (He endowed the planting of a sugar maple tree in the Botanic Gardens Arboretum in honor of his three Cornellian relatives; he\u2019s also a supporter of undergraduate scholarships and the planned <a href=\"https:\/\/news.cornell.edu\/stories\/2021\/05\/you-can-make-it-happen-spring-2021\" target=\"_blank\" rel=\"noopener noreferrer\">Asian Summer Garden<\/a>.)<\/p>\n\n\n\n<p>After majoring in engineering physics on the Hill, Nobel went on to earn a master\u2019s in physics from Cal Tech and a PhD in biophysics from the University of California, Berkeley. He began focusing on the biophysics of succulent plants in the mid-1970s, after a sabbatical in Australia piqued his interest.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile is-style-offset\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-819x1024.jpg\" alt=\"A photo of cacti near a modern sculpture\" class=\"wp-image-4565 size-full\" srcset=\"https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-819x1024.jpg 819w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-240x300.jpg 240w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-768x960.jpg 768w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-1229x1536.jpg 1229w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-632x790.jpg 632w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-316x395.jpg 316w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-280x350.jpg 280w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-140x175.jpg 140w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-70x87.jpg 70w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-400x500.jpg 400w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-200x250.jpg 200w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A-100x125.jpg 100w, https:\/\/alumni.cornell.edu\/cornellians\/wp-content\/uploads\/sites\/2\/2021\/12\/DSC03072-A.jpg 1260w\" sizes=\"auto, (max-width: 819px) 100vw, 819px\" \/><figcaption>In the garden, cacti and agaves share the landscape with modern art. <\/figcaption><\/figure><div class=\"wp-block-media-text__content\">\n<p>He launched into fieldwork in the California desert, taking trips there every other week for two years. \u201cThe special thing was that I had an engineering background, so I was taking engineering principles into biology,\u201d he explains. \u201cI was already a tenured faculty member, but I basically began acting like a graduate student again.\u201d<\/p>\n\n\n\n<p>Nobel dubbed his Bel Air house \u201cCasa de CAM\u201d in honor of his area of expertise: \u201ccrassulacean acid metabolism,\u201d the moisture-conserving method by which succulent plants photosynthesize during the day, while exchanging gases only at night, when it\u2019s cooler. <\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>He has authored numerous textbooks in the field (including <em>Environmental Biology of Agaves and Cacti<\/em> and <em>Physicochemical and Environmental Plant Physiology<\/em>) and co-authored some 375 scholarly articles.<\/p>\n\n\n\n<p>For a decade, he also served as a consultant to Jos\u00e9 Cuervo, the famed tequila company\u2014advising it on such issues as how to space its agave plants in the field, and how to orient the rows to get the best reception of sunlight.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>I was already a tenured faculty member, but I basically began acting like a graduate student again.<\/p><\/blockquote>\n\n\n\n<p>Retired since 1994, Nobel long tended his backyard garden more or less singlehandedly\u2014weeding, nipping buds off the agaves (which die after they flower, but can live for years if they don\u2019t), and replacing dead plants, among other tasks.<\/p>\n\n\n\n<p>Now 83, he\u2019s had some hired help in the yard for the past five years. But, he notes, compared to a conventional lawn, his property is fairly low maintenance to begin with. <\/p>\n\n\n\n<p>\u201cI don\u2019t have to water; I don\u2019t have to mow. And I happen to like the appearance of succulent plants,\u201d he says. \u201cSo to me, it&#8217;s attractive.\u201d<\/p>\n\n\n\n<p><em>All photos by Elizabeth Gillett \/ Cornell University<\/em><\/p>\n\n\n\n<p class=\"has-small-font-size\">Published December 6, 2021<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n","protected":false},"excerpt":{"rendered":"<p>Retired UCLA professor Park Nobel \u201960, BEP \u201961, turned a derelict plot of land into a suburban showpiece<\/p>\n","protected":false},"author":68,"featured_media":4560,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"alumni_hub_syml_posts":[],"footnotes":""},"categories":[229],"tags":[],"cornell_year_post":[],"post_folder":[],"class_list":["post-4547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alumni"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A Cacti Expert\u2019s Vast L.A. Garden Is a Drought-Tolerant Wonder - Cornellians | Cornell University<\/title>\n<meta name=\"description\" content=\"Retired UCLA professor Park Nobel \u201960, BEP \u201961, turned a derelict plot of land into a suburban showpiece\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alumni.cornell.edu\/cornellians\/cacti-expert\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Cacti Expert\u2019s Vast L.A. 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