The Gardens

The Arboretum maintains collections of rare and threatened plants of unusual scientific interest. Particular specialties are world conifers, primitive angiosperms, and bulb-forming plant families. Large assemblages of plants from California nativesAustralia, South Africa, and New Zealand are displayed on the grounds. Many of the species in these collections are not otherwise available for study in American botanical gardens and arboreta. More...

    California / Australia / South Africa / New Zealand

  • California Natives

    California Natives, the entrance garden

    Over the past decade California gardeners have been eager to find ways to lower their water-use and attract native wildlife to the garden, while still maintaining attractive landscapes. One of the best ways to do this is to use plants native to California, and many local gardeners have found inspiration in the Arboretum's California collection. More ...
  • Australia

    The Australian Garden

    The Arboretum's outstanding Australian collection celebrates the diversity of the Australian continent which stretches northward into the tropics and southward into the path of the rain-bearing westerlies, encompassing habitats as diverse as rainforest, heathland, and desert. More ...
  • South African Garden

    The South African Garden

    For the flower aficionado the name South Africa must immediately bring to mind the fabulous Protea. In mid-winter, when the proteas reach their peak bloom, a visit to the Arboretum's South African Garden is a trip to a magical paradise of almost unearthly beauty. More ...

  • New Zealand Garden

    The New Zealand Garden

    The Edward D. Landels New Zealand Garden was dedicated in 1984 in order to bring this unique flora to the attention of residents of the opposite hemisphere. Many unusual and fantastic plants await the visitor, their odd forms revealing much about the forces that shaped their evolution. More...

  • Other Gardens and Collections

  • Eucalyptus Grove

    The Eucalyptus Grove

    The Grove, among the first areas planted in the Arboretum, consists largely of specimens donated by Max Watson, an admirer of the genus.  More..
  • Province Garden

    The California Province Garden

    Plans and maps, plus more information about the California Province Garden.
  • butterfly garden

    Butterfly Garden

    Adjacent to the California Native Garden and to the left of the path leading to the New Zealand area, you'll discover the first evidence of the formation and planting of the new Butterfly Garden based on California native plants, small and modest at the moment, but holding promise of greater things to come. More..
  • succulents

    Succulent Collection and Fragrance Garden

    Filled with the heady aromas of many mint family members not to mention innumerable bees and butterflies, the Succulent Collection and Fragrance Garden Garden sits across from Norrie's Gift Shop. More..
  • Conifers


    Though potentially of great scientific interest, conifers, as a group, are not well studied. More..