华西亚高山植物园位于四川省都江堰市玉堂镇白马村，1986年筹建、1988年正式成立，是中国科学院植物研究所与都江堰市（原灌县）人民政府合作共建的直属植物园，也是四川省唯一的中国科学院直属植物园。植物园地处青藏高原东部的”华西雨屏带”腹地，海拔1800米，距成都市区约60公里，年平均气温仅10℃左右，常年云雾缭绕、湿度很大，自然条件极为适宜杜鹃花等高山植物的培育与生长。
亚洲杜鹃之王：横断山脉的植物宝库
华西园以收集、保存、研究横断山与东喜马拉雅地区杜鹃花属植物、珍稀濒危植物以及药用与观赏植物为主要目标。经过30多年的建设发展，园内已引种栽培野生杜鹃430余种、20余万株，野生杜鹃种类与数量均位居亚洲第一，建成了亚洲地区规模最大、保存野生杜鹃原始种类最多的杜鹃专类园，有”亚洲杜鹃基因库”之称。
科研攻关：29年人工培育凸尖杜鹃首次开花
凸尖杜鹃是杜鹃花中叶片最长的种类，自然分布于云南、西藏高海拔原始林区，人工繁育周期长、难度大。2026年4月，经过29年的人工培育，华西亚高山植物园的凸尖杜鹃首次开花，最大花序直径约20厘米、共28朵花，呈乳黄色。这一成果填补了该物种在国内迁地保护的开花记录，为高山杜鹃保育与生物多样性研究提供了关键活体样本。
植物园至今保持着杜鹃花人工培育至开花的最长周期纪录——曾于2010年从西藏墨脱县采集银灰杜鹃种子，2011年完成播种，经历13年培育才迎来首次开花。每年春季，104种杜鹃花次第盛开，吸引大量游客和研究者前来观赏。
珍稀物种：430余种杜鹃的诺亚方舟
除杜鹃外，植物园还保存了大量珍稀濒危植物，包括树蕨、云南红豆杉、西藏云杉、喜马拉雅长叶松、峨眉冷杉、四川红杉、水青树、珙桐、连香树、圆叶玉兰、五小叶槭等100余种国家一级、二级重点保护野生植物。园内已建成露地定植区15公顷、露地苗圃5公顷、保护地1200平方米。
在植物猎人精神的指引下，植物园30多年来坚持野外杜鹃花标本与种子采集，累计采集鉴定馆藏杜鹃属植物标本5000余份，采集足迹遍布云贵川藏、广西湖北、秦巴山区及南岭武陵山等地区。
四季特色：从春花到秋叶的全年景观
植物园位于都江堰市龙池国家森林公园内，与世界遗产都江堰水利工程同属龙门山脉，生态环境原始而多样。春季（4-5月）漫山杜鹃盛放，是最佳游览季节；夏秋季节园内气候凉爽宜人，是成都周边著名的避暑胜地和自然教育基地。2001年起，植物园每年举办”中国龙池杜鹃节”，已成为西南地区最具影响力的杜鹃花文化活动之一。
科普教育：深山里的科学坚守
华西园围绕杜鹃与西南部珍稀濒危及特有植物保护，开展了形式多样的科普工作，每年接待参观者约5万人次。1998年被四川省科协授予”四川省植物学科普教育基地”；2005年被中国科学院、共青团中央和全国少工委联合授予”全国青少年走进科学示范基地”。园区参与中央电视台”走进科学”栏目拍摄，并多次参加”中国科学院植物园科普展”、”三峡花博会”和”全国花卉博览会”。
游览信息：成都周边的高山植物王国
华西亚高山植物园现有面积约620亩（今后规划发展至2000亩），距成都约60公里，自驾或乘公共交通均可到达。园区距都江堰景区约30公里，可与都江堰、青城山等著名景点组合安排一日或两日游程。园内设有专门的研究观测径和科普展示区，游客可在工作人员引导下近距离观察高山杜鹃的生长状态，感受从低海拔到高海拔的植物垂直分布变化。
West China Subalpine Botanical Garden (华西亚高山植物园) is located in Dujiangyan, Sichuan Province, at an elevation of 1,800 meters on the eastern edge of the Qinghai-Tibet Plateau. Established in 1988 through cooperation between the Institute of Botany of the Chinese Academy of Sciences and the Dujiangyan Municipal Government, it is the only direct subsidiary botanical garden of the Chinese Academy of Sciences in Sichuan Province. Situated within the Longchi National Forest Park, the garden benefits from the unique “West China Rain Screen Zone” climate—cool temperatures averaging 10℃ year-round, persistent fog, and high humidity—making it exceptionally suited for cultivating alpine rhododendrons and rare plants.
Asia’s Rhododendron Capital: A Treasure House of the Hengduan Mountains
The garden serves as a major center for the collection, conservation, and research of rhododendron species from the Hengduan Mountains and Eastern Himalayan regions, as well as rare, endangered, and endemic plants. After more than 30 years of development, it now holds 430+ rhododendron species and over 200,000 specimens—making it the largest and most diverse wild rhododendron repository in Asia. Known as “Asia’s Rhododendron Gene Bank,” the garden’s collection of wild rhododendron species and individual plants ranks first on the continent.
Scientific Breakthrough: 29-Year Cultivation of Rhododendron undulatum
Rhododendron undulatum is the longest-leaved species among all rhododendrons, naturally distributed in high-altitude primary forests of Yunnan and Tibet. In April 2026, after 29 years of artificial cultivation, specimens at the garden bloomed for the first time—producing a最大花序 approximately 20 cm in diameter with 28 cream-yellow flowers. This achievement fills a critical gap in China’s ex-situ conservation records and provides invaluable living material for alpine rhododendron research and biodiversity conservation.
The garden maintains records for the longest rhododendron cultivation-to-flowering cycle in China: seeds of R. argeneum collected from Motuo County, Tibet in 2010, sown in 2011, required 13 years of cultivation before blooming. Each spring, over 104 rhododendron species bloom in succession, attracting numerous visitors and researchers.
Rare Species: A Noah’s Ark for 430+ Rhododendron Varieties
Beyond rhododendrons, the garden conserves numerous rare and endangered species including Cyathea spinulosa, Taxus wallichiana, Picea spinulosa, Pinus royleana, Abies fabricii, Sequoiadendron giganteum, Tetracentron sinense, Davidia involucrata, Cercidiphyllum japonicum, Magnolia sinensis, Acer pentaphyllum, Calycanthus chinensis, and Paeonia sterniana—totaling more than 100 nationally protected wild plant species. The garden has developed 15 hectares of outdoor planting areas, 5 hectares of nurseries, and 1,200 square meters of protected cultivation facilities.
Guided by a “plant hunter” spirit, the garden has conducted over 30 years of continuous field expeditions collecting rhododendron specimens and seeds, amassing more than 5,000 identified herbarium specimens. Collecting expeditions have spanned Yunnan, Guizhou, Sichuan, and Tibet in the west, extending to Hubei, Guangxi, the Qinling-Bashan Mountains, and the Nanling-Wuling Mountains.
Year-Round Scenery: From Spring Blooms to Alpine Greenery
Within Longchi National Forest Park in the same mountain range as the UNESCO World Heritage Dujiangyan Irrigation System, the garden offers diverse ecological experiences across seasons. Spring (April–May) brings peak rhododendron bloom—the optimal visiting season. Summer and autumn offer cool, refreshing escapes from Chengdu’s heat, making the garden a popular nature education destination. Since 2001, the annual “China Longchi Rhododendron Festival” has become one of Southwest China’s most influential rhododendron cultural events.
Science Education: Dedication to Public Outreach
The garden conducts diverse science education programs centered on rhododendron conservation and rare plant protection in Southwest China, hosting approximately 50,000 visitors annually. It was designated as the “Sichuan Provincial Science Education Base for Plant Sciences” by the Sichuan Association for Science and Technology in 1998, and as a “National Youth Science Education Demonstration Base” jointly by the Chinese Academy of Sciences, the Central Committee of the Communist Youth League, and the All-China Students’ Federation in 2005. The garden has participated in CCTV’s “Into Science” documentary series and regularly contributes to the “CAS Botanical Garden Science Exhibition,” “Three Gorges Flower Expo,” and “National Flower Expo.”
Visitor Information: A Highland Botanical Kingdom Near Chengdu
Covering approximately 620 mu (about 41 hectares), with plans to expand to 2,000 mu, the garden lies about 60 km from Chengdu—accessible by car or public transportation. It is conveniently located 30 km from the Dujiangyan scenic area, allowing visitors to combine a trip with nearby attractions like Dujiangyan and Mount Qingcheng. The garden features dedicated research trails and science education zones where visitors can observe alpine rhododendrons up close and experience the vertical plant distribution changes from low to high altitudes.
Website: http://www.wcsbg.cn/
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