Spring Blooms


What's In Bloom Virtual Tours


February - April

The University of Arizona’s campus boasts trees from all over the world. Flowering displays in February through April include creamy puffballs, flamboyant yellow flowers, fuzzy pink blooms, and showy purple cascades. Fragrances range from heavy citrus smells to that of grape Kool-Aid.


Aloes - Aloe barbadensis; Aloe castanea; Aloe vera
Characteristics: Spikes of yellow and orange flowers, attractive to hummingbirds
Campus locations: Old Main; Integrated Learning Center (ILC)

Aloe castanea. border-style: solid; padding: 5px

Citrus - various kinds
Characteristics: white fragrant flowers, the signature smell of spring.
Origin: Native to the Far East.
Campus locations: Orange Walk by Gila Hall, Steward Observatory.
Citrus aurantium. border-style: solid; padding: 5px

Sweet acacia - Acacia farnesiana
Characteristics: Sprays of gold pompom flowers, very aromatic.
Origin: Native to Sonoran Desert.
Campus locations: In the ILC; between Econ and Engineering
Acacia farnesiana. border-style: solid; padding: 5px

Texas Mountain Laurel - Sophora secundiflora
Characteristics: Drooping clusters of purple blossoms, very fragrant
Origin: Native to Texas and Mexico
Campus locations: N of Bio West, S of Engineering, W of Science Library
Sophora secundiflora. border-style: solid; padding: 5px

Palo verde - Parkinsonia florida, and Parkinsonia microphylla
Characteristics: The state tree - green bark and yellow flowers.
Origin: Native to Arizona.
Campus locations: Old Main, east of McKale
Parkinsonia florida. border-style: solid; padding: 5px

Bauhinia-leafed Acacia - Acacia crassifolia
Characteristics: White puffballs, very fragrant.
Origin: Native to Mexico.
Campus locations: North of Cherry Ave Garage
Acacia crassifolia. border-style: solid; padding: 5px

Orchid tree - Bauhinia variegata and Bauhinia variegata ‘candida’
Characteristics: Profuse purple or white flowers that resemble orchids.
Origin: Native to India, China.
Campus locations: Southwest of CESL; north of Vet Sci/Micro
Bauhinia variegata. border-style: solid; padding: 5px

Redbuds - Cercis canadensis
Characteristics: profuse display of purple flowers before leaves emerge.

Origin: Native to Eastern US
Campus locations: North of Graham/Greenlee; south of Speech & Hearing

Cercis canadensis. border-style: solid; padding: 5px

Yellow Amapa - Tabebuia chrysotricha
Characteristics: Neon-yellow tropical flowers on bare branches.
Origin: Native to the tropics.
Campus locations: South Engineering; east of Main Library
Tabebuia chrysotricha. border-style: solid; padding: 5px

Texas olive - Cordia boissieri
Characteristics: White tissue-paper flowers on dark green foliage.
Origin: Native to Texas and Mexico.
Campus locations: Corner Speedway & Cherry; S; N of Communications; south of Main Library
Cordia boissieri. border-style: solid; padding: 5px

Pink bottle tree - Brachychiton x excellens
Characteristics: Pink 3" velvety flowers.
Origin: Native to Australia.
Campus locations: South of BioSci West
Brachychiton x excellens. border-style: solid; padding: 5px

Bottle brush tree - Callistemon citrinus; Callistemon australis; Callistemon viminalis
Characteristics: Red pendulous flowers that resemble bottle brushes.
Origin: Native to Australia.
Campus locations: Education building courtyard; NE of PAS; south of Manzinita-Mohave dorm; south of Engineering
Callistemon citrinus. border-style: solid; padding: 5px


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