Plant Collections - The Arboretum
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Whether you are a new or seasoned gardener, you will find plants of interest in our geographical and botanical collections from all over the world, including many rare and endangered species. Click here for our Bloom Calendar.

Biogeographical Collections

    • Africa

      The collection is particularly rich in the plants of South Africa, which is not only among the most botanically diverse areas on earth, but also home to some of our finest garden plants.

    • Australia

      The botanical diversity of the island continent, including eucalyptus, bottlebrushes and grasstrees, has contributed many plants to Southern California gardens. View plant list.

    • Canary Islands

      Iconic dragon trees and aeoniums highlight this collection of outstanding garden plants originating from this small island group off the northwest coast of Africa.

    • Madagascar

      The plants of Madagascar’s Spiny Forest habitat, offering striking sculptural forms and fascinating adaptations, represent one of the most endangered floras on Earth.

Plant Collections

    • Aloe

      The beauty and diversity of these African plants is showcased in a collection of over 180 different species, ranging from spectacular tree aloes to exquisite groundcovers and shrubs.

    • Engelmann Oaks

      Growing across Tallac Knoll’s southern slope, over 250 trees comprise the largest remaining grove of Engelmann Oaks in Los Angeles County.

    • Magnolia

      Among the Arboretum’s most spectacular late winter/early spring features, over sixty magnolia cultivars reach peak bloom in February and early March.

    • Plumeria

      Over seventy fragrant, brilliantly colored plumerias, popularly associated with tropical vacations, are found in this collection on Tallac Knoll.

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© 2024 Los Angeles County Arboretum and Botanic Garden • 626.821.3222 • 301 North Baldwin Ave, Arcadia, CA 91007

© 2023 Los Angeles County Arboretum and Botanic Gardens

Phone: 626.821.3222

301 N. Baldwin Ave, Arcadia, CA, 91007