园区概况
洛杉矶县树木园和植物园（Los Angeles County Arboretum and Botanic Garden）坐落于加利福尼亚州阿卡迪亚市（Arcadia），位于洛杉矶市中心东北方向约15英里处。园区占地127英亩（约51公顷），是一座兼具植物收藏与历史保护功能的综合性植物园。
洛杉矶县树木园和植物园于1947年由加利福尼亚州政府与洛杉矶县共同收购土地设立，现由洛杉矶县与洛杉矶树木园基金会（Los Angeles Arboretum Foundation）联合管理运营。2015年，园区完成了全面的文化景观报告与保护规划（Cultural Landscape Report and Treatment Plan），经评估具有列入美国国家历史遗迹名录的资格，是南加州地区重要的城市植物园与文化景观遗产。
创立历史
园区的土地历史可追溯至数千年前，库亚芒加族（Kizh-Gabrieleño）等原住民世居于此，依赖丰富的橡树资源为生。19世纪中叶，这片土地被纳入西班牙传教体系。1840年代墨西哥统治时期，名为”兰乔圣塔阿尼塔”（Rancho Santa Anita）的这片土地被分配给墨西哥官员。
1875年，美籍华裔商人鲍德温·埃利亚斯（Baldwin）——即后来被称为”幸运鲍德温”（Lucky Baldwin）的知名实业家——购入这片土地并建造私人庄园。鲍德温是19世纪晚期加州最著名的赌徒和酒店经营者之一，曾在内华达州经营科泉银矿和天堂泉赌场的酒店，并在塞拉山麓经营马场。1912年鲍德温去世后，庄园几经转手。
1947年，加利福尼亚州政府与洛杉矶县联合收购了这片土地，将其改建为公共植物园。1956年，园区正式向公众开放，此后逐步扩展为一个融合植物收藏、历史建筑保护与公众教育的综合性植物园。
植物收藏
洛杉矶县树木园和植物园按地理区域和植物科属建立了多个专业收藏，涵盖来自世界各地的数千种植物：
非洲植物区（Africa）：收藏重点是南非植物——南非是全球植物多样性最高的地区之一，也是许多优质园艺植物的原产地。
澳大利亚植物区（Australia）：澳大利亚作为”岛屿大陆”，其植物多样性极为独特，按树（eucalyptus）、红千层（bottlebrush）和草树（grasstree）等植物已成为南加州园林的重要树种。
加纳利群岛植物区（Canary Islands）：龙血树（dragon tree）和莲花掌（aeonium）是这片收藏的亮点——加纳利群岛是北非西海岸附近的小岛群，以独特的植物区系著称。
马达加斯加植物区（Madagascar）：马达加斯加的刺林（Spiny Forest）栖息地以独特的雕塑形态和迷人的适应特性著称，该地区的植物群是地球上受威胁程度最高的植物区系之一。
芦荟收藏（Aloe Collection）：收藏超过180种芦荟属植物，涵盖从壮观的大型树状芦荟到精致的地被型与灌木型品种，是园内最专业的单一属收藏之一。
恩格尔曼橡树林（Engelmann Oaks）：在塔拉克山丘（ Tallac Knoll）南坡，生长着超过250株恩格尔曼橡树——这是洛杉矶县境内现存最大的恩格尔曼橡树群落。
木兰收藏（Magnolia Collection）：60余个木兰品种在冬末春初竞相绽放，2月与3月初是最佳观赏期，是园区最具视觉震撼力的季节景观之一。
鸡蛋花收藏（Plumeria Collection）：超过70株鸡蛋花，涵盖多种花色与香型，这些与热带假期联系密切的芳香植物种植于塔拉克山丘上。
研究与保护
洛杉矶县树木园和植物园长期致力于本土植物保护与可持续园艺研究：
濒危物种迁地保护：园区建立了针对稀有和濒危植物的迁地保护体系，通过种子库保存、植株繁殖和栖息地模拟等方式，确保遗传多样性资源不丢失。
恩格尔曼橡树保护：园区内的恩格尔曼橡树群落是洛杉矶县境内最大的野生群落，园区与加州大学等研究机构合作，持续监测土壤健康、地下水位变化与树木健康状况，并开展生态修复工作。
城市生态研究：园区利用127英亩的城市绿洲开展野生动物调查，编制了完整的园区鸟类名录，记录了包括鹭类、水禽、猛禽和林鸟在内的丰富鸟类多样性，为城市生态研究提供长期数据。
水资源可持续管理：园区积极应对南加州干旱气候，推广节水灌溉技术、有机土壤管理和本地植物景观设计，将可持续园艺理念免费向公众推广。
教育与志愿
洛杉矶县树木园和植物园的教育项目面向全年龄段受众：
学校科普项目：为K-12年级提供自然科学、生态学、植物学相关的实地教学课程，包含植物观察、土壤研究、野生动物识别等实践内容，与课堂知识相结合。
成人教育项目：定期举办涵盖有机园艺、节水园林设计、本土植物种植等主题的工作坊，以及专题讲座与研讨会，由园区专业园艺师团队授课。
青少年与家庭项目：提供家庭参与的自然探索活动、亲子园艺课程，以及夏令营性质的儿童自然教育项目，培养下一代的生态意识。
志愿者项目：面向个人志愿者和企业志愿者开放，参与领域包括园艺种植、场地维护、活动协助、导览讲解等。完成规定服务时数的志愿者可获得证书与推荐信。
植物协会与俱乐部合作：园区为南加州多个植物协会和园艺俱乐部提供活动场地，包括南加州鸢尾协会（SCHAS）的年度球根展销会、南加州蕨类与珍稀植物协会（LAIFS）的年度蕨类与珍稀植物展销会等。
官方联系方式
Park Overview
The Los Angeles County Arboretum and Botanic Garden is a 127-acre public garden and historic site located in Arcadia, California, approximately 15 miles northeast of downtown Los Angeles. Established in 1947 through a joint purchase by the State of California and Los Angeles County, the Arboretum is governed through a public/private collaboration between the County and the Los Angeles Arboretum Foundation. In 2015, the Arboretum completed a comprehensive Cultural Landscape Report and Treatment Plan and was determined eligible for listing on the National Register of Historic Places as a historic district.
Founding History
The land has a history stretching back thousands of years to the indigenous peoples of the region. In the 19th century, the land was part of the Spanish mission system and later became part of the Mexican land grant known as Rancho Santa Anita. In 1875, Elias Griffith Baldwin—known as “Lucky Baldwin”—a renowned businessman, gambler and hotelier, purchased the property and established his private estate. Baldwin was one of the most famous figures in California history, operating the hotels at Comet and Haven’s Heaven in Nevada and race tracks in the Sierra foothills. After his death in 1912, the estate changed hands several times. In 1947, the State of California and Los Angeles County jointly purchased the land, and the Arboretum opened to the public in 1956.
Botanical Collections
The Arboretum maintains extensive botanical collections organized by geographic regions and plant families: The Africa collection is particularly rich in South African plants—one of Earth’s most botanically diverse regions and home to many fine garden plants. The Australia collection showcases the botanical diversity of the island continent, including eucalyptus, bottlebrushes, and grasstrees that have become staples of Southern California gardens. The Canary Islands collection features iconic dragon trees and aeoniums from this small island group off the northwest coast of Africa. The Madagascar collection represents the Spiny Forest habitat, with striking sculptural forms and fascinating adaptations—representing one of the most endangered floras on Earth. The Aloe Collection showcases over 180 species of African aloes, ranging from spectacular tree aloes to exquisite groundcovers. The Engelmann Oaks grove on Tallac Knoll’s southern slope contains over 250 trees—the largest remaining grove of Engelmann Oaks in Los Angeles County. The Magnolia Collection features over 60 cultivars reaching peak bloom in February and early March, among the most spectacular late winter/early spring displays. The Plumeria Collection contains over 70 fragrant, brilliantly colored plumeria trees on Tallac Knoll.
Research & Conservation
The Arboretum is committed to plant conservation and sustainable horticulture research. Key programs include: Ex-Situ Conservation—maintaining seed banks and living collections of rare and endangered plants to preserve genetic diversity. Engelmann Oak Protection—monitoring soil health, groundwater, and tree conditions in the largest Engelmann Oak grove in Los Angeles County, in collaboration with UC researchers. Urban Wildlife Studies—conducting ongoing wildlife surveys including a comprehensive bird checklist, providing long-term data for urban ecological research. Water Conservation—promoting water-wise irrigation, organic soil management, and native plant landscape design throughout the Arboretum and beyond.
Education & Volunteering
The Arboretum offers educational programming for all ages. School Programs provide K-12 science and ecology curriculum-aligned field trips with hands-on activities. Adult Programs include workshops on organic gardening, water-wise design, native plant cultivation, and special lectures taught by the horticulture staff. Youth & Family Programs offer nature exploration activities, parent-child gardening courses, and summer nature camps. Volunteer Programs—both individual and corporate—provide opportunities in horticulture, events, education, and guest services; completing volunteer hours earns certificates and letters of recommendation. The Arboretum also hosts plant society events including the annual SCHAS Daylily & Bulb Show and LAIFS Fern & Exotic Plant Show.
Contact Information
Official Website: https://arboretum.org
发表回复