The University of California, Riverside, Botanic Gardens are 40 acres (16.2 ha) of botanical gardens containing more than 3,500 plant species from around the world. The Gardens are located in the eastern foothills of the Box Springs Mountain on the University of California, Riverside campus in Riverside, California, US. Over four miles (6 km) of trails wind through many microclimates and hilly terrain.

Composition

The UCR Botanic Gardens are actually composed of two parts: the overall UCR campus and the botanical gardens. The landscaped area around the buildings on campus demonstrates a wide variety of plants adapted to the arid inland area of Southern California. The Gardens were established primarily for teaching purposes and serve to provide plant materials for courses such as anthropology, art, biology, ecology,

entomology Entomology () is the science, scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such ...

, morphology,

ornamental Ornamental may refer to: *Ornamental grass, a type of grass grown as a decoration *Ornamental iron, mild steel that has been formed into decorative shapes, similar to wrought iron work *Ornamental plant, a plant that is grown for its ornamental qua ...

horticulture, plant pathology, photography, and taxonomy. The Gardens also provide plant materials for research and for exhibiting species from all parts of the world. A support organization, Friends of the UCR Botanic Gardens, was established in 1980. A popular bi-annual Botanic Gardens Plant Sale provides greater visibility and community support for the gardens.

Collections organized by species

* Alder Canyon – California native riparian trees, including

azalea Azaleas are flowering shrubs in the genus ''Rhododendron'', particularly the former sections ''Tsutsusi'' (evergreen) and '' Pentanthera'' (deciduous). Azaleas bloom in the spring (April and May in the temperate Northern Hemisphere, and Octob ...

s, camellias, hydrangeas and ferns * Rose Gardens – Over 300 selections – species roses, heritage varieties, miniatures, floribundas, grandifloras and Hybrid Teas *

Herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

Garden – Aromatic, culinary, dye and medicinal herbs * Cactus Garden – Hundreds of cacti, ocotillos, agaves, yuccas, etc. * Iris Garden – More than 150 named bearded iris cultivars *

Lilac ''Syringa'' is a genus of 12 currently recognized species of flowering plant, flowering woody plants in the olive family or Oleaceae called lilacs. These lilacs are native to woodland and scrub from southeastern Europe to eastern Asia, and wid ...

Lane – True lilacs * Subtropical Fruit Orchard – Citrus,

guava Guava () is a common tropical fruit cultivated in many tropical and subtropical regions. The common guava ''Psidium guajava'' (lemon guava, apple guava) is a small tree in the myrtle family ( Myrtaceae), native to Mexico, Central America, the ...

s, sapotes, avocados, macadamia nuts and other subtropical fruit trees

Collections organized by geographical origin

* South African Garden –

Aloe ''Aloe'' (; also written ''Aloë'') is a genus containing over 650 species of flowering succulent plants.WFO (2022): Aloe L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000001341. Accessed on: 06 Nov 2022 The most wid ...

s, ice plants, naked ladies, and South African wildflowers * Southwest Deserts Section – Extensive collection of Southwest U.S. desert plants with emphasis on those native to the Mojave and

Colorado Desert California's Colorado Desert is a part of the larger Sonoran Desert. It encompasses approximately , including the heavily irrigated Coachella and Imperial valleys. It is home to many unique flora and fauna. Geography and geology The Colorado De ...

s * Sierra Foothills Section –

Chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...

and Foothill Pine Woodland plants such as foothill pine, mountain mahogany,

California buckeye ''Aesculus californica'', commonly known as the California buckeye or California horse-chestnut, is a species of buckeye native to California and southwestern Oregon. Description It is a large deciduous shrub or small tree, up to tall, with gr ...

, fremontia, sumacs and yuccas * Boysie Day Baja California Garden – Boojum tree, palo adán,

elephant tree Elephant tree is a common name for several plants with swollen stems and may refer to: * ''Boswellia papyrifera'', a species in the family Burserceae native to northeastern Africa * ''Bursera microphylla'', a species in the family Burserceae native ...

, lomboy, and slipper plant *

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

n Section – Eucalyptus, bottlebrushes,

melaleuca ''Melaleuca'' () is a genus of nearly 300 species of plants in the myrtle family, Myrtaceae, commonly known as paperbarks, honey-myrtles or tea-trees (although the last name is also applied to species of '' Leptospermum''). They range in size ...

s, grevilleas,

acacia ''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus na ...

s, etc. * Temperate Deciduous Forest – A selection of trees and shrubs from temperate China and the Eastern U.S. including paper

mulberry ''Morus'', a genus of flowering plants in the family Moraceae, consists of diverse species of deciduous trees commonly known as mulberries, growing wild and under cultivation in many temperate world regions. Generally, the genus has 64 identif ...

, dawn redwood, golden rain tree,

sweetgum ''Liquidambar'', commonly called sweetgum (star gum in the UK), gum, redgum, satin-walnut, or American storax, is the only genus in the flowering plant family Altingiaceae and has 15 species. They were formerly often treated in Hamamelidaceae ...

''(Liquidambar)'', and maples. * The pond – A resemblance of the

Florida Everglades The Everglades is a natural region of tropical climate, tropical wetlands in the southern portion of the U.S. state of Florida, comprising the southern half of a large drainage basin within the Neotropical realm. The system begins near Orland ...

. Extensive collection of animals, such as red-eared sliders to koi.

Wild animals

The gardens are home to 195 bird species, ranging from kites, mallards, falcons and kestrels to quail, plovers, swallows, starlings and woodpeckers. Mammalian residents include

California ground squirrel The California ground squirrel (''Otospermophilus beecheyi''), also known as the Beechey ground squirrel, is a common and easily observed ground squirrel of the western United States and the Baja California Peninsula; it is common in Oregon and ...

s, Audubon cottontails,

kangaroo rat Kangaroo rats, small mostly nocturnal rodents of genus ''Dipodomys'', are native to arid areas of western North America. The common name derives from their bipedal form. They hop in a manner similar to the much larger kangaroo, but developed thi ...

s, gophers,

coyote The coyote (''Canis latrans'') is a species of canis, canine native to North America. It is smaller than its close relative, the wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecologica ...

s, gray foxes,

opossum Opossums () are members of the marsupial order Didelphimorphia () endemic to the Americas. The largest order of marsupials in the Western Hemisphere, it comprises 93 species in 18 genera. Opossums originated in South America and entered North ...

pack rat A pack rat or packrat, also called a woodrat or trade rat, are any species in the North and Central American rodent genus ''Neotoma''. Pack rats have a rat-like appearance, with long tails, large ears, and large, black eyes. Pack rats are notice ...

skunk Skunks are mammals in the family Mephitidae. They are known for their ability to spray a liquid with a strong, unpleasant scent from their anal glands. Different species of skunk vary in appearance from black-and-white to brown, cream or ginge ...

s and

bobcat The bobcat (''Lynx rufus''), also known as the red lynx, is a medium-sized cat native to North America. It ranges from southern Canada through most of the contiguous United States to Oaxaca in Mexico. It is listed as Least Concern on the IUC ...

Reptile Reptiles, as most commonly defined are the animals in the class Reptilia ( ), a paraphyletic grouping comprising all sauropsids except birds. Living reptiles comprise turtles, crocodilians, squamates (lizards and snakes) and rhynchocephalians ( ...

s, including turtles,

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...

s of many kinds, and snakes, ranging from gopher snakes to the venomous rattlers, also populate the gardens.

Amphibian Amphibians are tetrapod, four-limbed and ectothermic vertebrates of the Class (biology), class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terres ...

residents include bullfrogs, western toads, salamanders and

Pacific Tree Frog The Pacific tree frog (''Pseudacris regilla''), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British Columbia in Canada and extreme southern Alaska. They l ...

. Fishes include koi and

carp Carp are various species of oily freshwater fish from the family Cyprinidae, a very large group of fish native to Europe and Asia. While carp is consumed in many parts of the world, they are generally considered an invasive species in parts of ...

Composition

Collections organized by species

Collections organized by geographical origin

Wild animals

See also