TREES (updated 28 March, 2009)

The U.C. Riverside Botanic Gardens 36th Annual
SPRING PLANT SALE

Public Sale Saturday, April 4, 12 noon to 5 pm and Sunday, April 5, 9 am to 3 pm



KEY TO THE CODES AT END OF THE PLANT DESCRIPTIONS:

H* - attracts Hummingbirds
B* - attracts Butterflies or feeds butterfly larvae
W* - Water efficient/drought tolerant plants
C* - California native plant or derivative
F* - especially good cut Flower or cut Foliage
S* - fragrant flowers ("S" for Scented)

The number of plants we expect to have available at the sale appears in brackets at the end of the plant description.

Acacia berlandieri, "GUAJILLO" - Large shrub or small, multi-stemmed tree; heat loving w/ fernlike, light green leaves -- flowers fragrant, ball-like puffs of stamens, white aging to cream & born in early spring. [20/10] (W*S*)

Acacia boormanii, "SNOWY RIVER WATTLE" - Suckering shrub that can be trained as a multi-trunked tree; slender, gray-green, leaves & showy clusters of bright yellow, fragrant flower "puffs" at branch ends in late winter/early spring. [10] (H*W*S*)

Aesculus californica, "CALIF. BUCKEYE" - Drought tolerant, California native tree w/ hand-shaped leaves & foot-long plumes of creamy white, fragrant flowers in spring. [24/19] (H*B*W*C*S*)

Arbutus 'Marina', "STRAWBERRY TREE" - Choice, evergreen tree related to manzanita w/ handsome bark, large, deep green leaves, clusters of tiny, pink, urn-shaped flowers in fall. [15/8] (H*W*)

Arctostaphylos manzanita 'Dr. Hurd', "DR. HURD MANZANITA" - Calif. native small tree or large shrub to 15 ft. w/ mahogany bark, large, light green leaves & clusters of white, urn-shaped flowers in late winter; well adapted to gardens & handsome all year. [10/8] (H*B*W*C*)

Bauhinia variegata, "PURPLE ORCHID TREE" - Spectacular, deciduous tree w/ light green, 2-lobed leaves & 3-in. purple, orchidlike flowers in late winter/early spring (a few may have white flowers). [11] (H*)

Caesalpinia mexicana, "MEXICAN BIRD-OF-PARADISE" - Heat-loving, small tree or large shrub w/ ferny, blue-green leaves & showy clusters of lemon yellow flowers throughout warm weather; needs good drainage. [20] (H*W*)

Calocedrus decurrens, "INCENSE CEDAR" - Large, Calif. native, evergreen tree w/ dense, pyramidal crown & aromatic foliage & wood; branches popular in holiday decorating. [20] (W*C*)

Casimiroa edulis, "WHITE SAPOTE" - Subtropical tree, deciduous in frost, w/ shiny green, hand-shaped, leaves & 3-4 in., pale yellow fruit w/ tropical flavor & custard-like texture (seedlings of 'Vernon'). [14]

Castanospermum australe, "MORETON BAY CHESTNUT" - Striking, evergreen tree w/ large, dark green, glossy, divided leaves & 8 in. spikes of bright red & yellow, sweetpea-shaped flowers in summer, born even on trunk & main branches. [28/24/12] (H*B*)

Ceanothus 'Ray Hartman', "RAY HARTMAN CEANOTHUS" - Drought tolerant, wide-spreading, small tree or large shrub (depending on training), w/ 2-3 in. leaves, dark green leaves & 3-5 in., spikelike clusters of medium blue flowers in spring. [9] (B*W*C*)

Cercocarpus betuloides, "MOUNTAIN MAHOGANY" - Calif. native, drought tolerant, large shrub or small, multi-trunked tree w small, dark green leaves that are pale below & a long-lasting display of handsome, feathery fruits in fall. [10] (W*C*)

Chilopsis linearis, "DESERT WILLOW" - Calif. native, fast-growing small tree or large shrub w/ airy appearance; willow-like leaves & trumpet-shaped, light pink flowers over long spring/summer season. [11] (H*W*C*)

Chitalpa tashkentensis, "CHITALPA" - Water efficient, small tree w/ willow-like leaves & clusters of pink, trumpet-shaped flowers in summer; hybrid of desert willow & catalpa tree. [11/5] (C*H*W*)

Cinnamomum camphora, "CAMPHOR TREE" - Slow growing, evergreen tree to 50 ft. high & wide w/ thick, picturesque branches & shiny, yellow green leaves that are pink when young; plant away from pavement/structures. [23/11] (W*)

Citrus aurantifolia, "MEXICAN LIME, KEY LIME" - Evergreen large shrub/ small tree for mildest Inland gardens; fragrant, white flowers & small, tart-fleshed fruit that is yellow when ripe; seedlings of 'Giant Key Lime'. [38] (B*S*)

Citrus grandis x paradisi 'Oroblanco', "OROBLANCO GRAPEFRUIT HYBRID" - Grapefruit/Pummelo hybrid -- an evergreen tree w/ large, handsome, dark green leaves, fragrant, white flowers & large, sweet-fleshed grapefruit-like fruits in spring (rootstock: 'Carrizo'). [10] (B*S*)

Citrus hystrix, "KIEFFIR LIME, MAKRUT" - Choice, evergreen large shrub or small tree with hourglass shaped leaves, white, fragrant flowers & small, bumpy fruit; both leaves & fruit popular in Thai & other asian cooking. [35/17] (B*S*)

Citrus paradisi 'Rio Red' grapefruit, "RIO RED GRAPEFRUIT" - Heat-loving, evergreen tree w/ large, handsome, dark green leaves, fragrant, white flowers & seedless, blushed, red-fleshed fruits in spring; fruit holds well on tree. [2] (B*S*)

Citrus paradisi 'Star Ruby' grapefruit, "STAR RUBY GRAPEFRUIT" - Heat-loving, evergreen tree w/ large, handsome, dark green leaves, fragrant, white flowers & seedless, pink-skinned, red-fleshed fruits in spring; fruit holds well on tree (rootstock: 'Carrizo'). [5] (B*S*)

Citrus reticulata 'Daisy' mandarin, "DAISY MANDARIN" - Evergreen tree w/ dark green foliage & an alternately heavy crop of med.-large-sized, moderately seedy fruits w/ dark orange skin & sweet pulp; easy to peel (Jan.-Mar.) (rootstock: 'Carrizo'). [4] (B*S*)

Crinodendron patagua, "LILY-OF-THE-VALLEY TREE" - Choice, Chilean tree w/ appearance of evergreen oaks; small, leathery, holly-like leaves & dainty, bell-shaped, white flowers & attractive cream & red seed capsules. [20] (W*)

Cupressus funebris, "CHINESE WEEPING CYPRESS" - Evergreen, more or less pyramidal tree from China; smooth, brown bark, gray -green, scalelike leaves closely arranged in flattened sprays on pendulous branches & dark brown, round cones. [8]

Firmiana simplex, "CHINESE PARASOL TREE" - Choice, deciduous tree w/ distinctive, thick branches, huge lobed leaves & handsome green bark; small, yellow flowers are followed by interesting, leaf-like pods; good street or lawn tree. [62]

Ginkgo biloba, "GINKGO TREE" - Slow-growing, deciduous tree w/ light green, fan-shaped leaves that color yellow in fall; unsexed seedlings -- female trees may bear malodorous fruit, edible seeds. [32/28]

Heteromeles arbutifolia, "TOYON" - Versatile, Calif. native, water-efficient small tree/large shrub w/ toothed, glossy green leaves, large clusters of white flowers in summer, showy red berries in winter. [30] (H*B*W*C*)

Luma apiculata, "PALO COLORADO" - Choice, slow-growing, small tree/large shrub w/ cinnamon-colored bark, small, glossy, leathery leaves, fluffy clusters of white flowers that age pink & edible blue berries. [7] (W*)

Melaleuca linariifolia, "FLAXLEAF PAPERBARK" - Small to medium-sized tree w/ white, papery bark, bluish green, needlelike foliage, & fluffy spikes of white flowers like snow on branches in summer; also called "snow-in-summer". [8] (H*W*)

Myrica californica, "PACIFIC WAX MYRTLE" - Handsome, Calif. native small, multi-trunked tree/large shrub; leaves are shiny, dark green & toothed, closely covering the branches; birds attracted to tiny, purplish, autumn fruits. [20] (W*C*)

Myrtus communis, "MYRTLE" - Versatile, evergreen small tree/large shrub w/ dark green, shiny, aromatic leaves, fragrant, fluffy, white flowers & blue berries; can be hedged or open pruned; slow to form tree size. [15/5] (W*F*)

Myrtus communis 'Boetica', "BOETICA MYRTLE" - Choice form of this versatile, evergreen tree/shrub w/ dark green, shiny, aromatic leaves, arranged "foxtail" fashion on thick branches; fragrant white flowers & blue berries. [14] (W*F*)

Nolina matapensis, "SONORAN TREE BEARGRASS" - Yucca-like perennial gradually forming a 8-20 ft., dark trunk topped by flexible, sword-shaped, dark green leaves; in age producing a tall branching spike of tiny, white flowers. [11] (W*)

Phoenix reclinata, "SENEGAL DATE PALM" - Picturesque, clumping palm w/ multiple arching trunks & feather-type fronds; good for landscape or containers; hardy to 28. [4]

Phoenix reclinata, "SENEGAL DATE PALM" - Picturesque, clumping palm w/ multiple arching trunks & feather-type fronds; good for landscape or containers; hardy to 28. [14/7]

Pistacia chinensis, "CHINESE PISTACHE" - Tough, drought resistant, deciduous medium to large tree w/ graceful, divided leaves that reliably turn scarlet/crimson/orange in fall; spectacular! [22] (W*)

Platanus racemosa, "CALIFORNIA SYCAMORE" - Large, picturesque, Calif. native tree w/ pretty bark & large, maple-like leaves; for large, informal or natural gardens w/ some summer irrigation. [15] (B*C*)

Prunus ilicifolia ssp. lyonii, "CATALINA CHERRY" - Versatile, drought tolerant, evergreen tree/shrub w/ shiny, near toothless leaves & spikes of creamy-white flowers in spring, barely edible dark red to black fruits; Calif. native. [20] (B*W*C*)

Quercus agrifolia, "COAST LIVE OAK" - Tough, drought tolerant, wide-spreading tree, w/ hollylike leaves; fast-growing in youth, picturesque in age; Calif. native. [10/6] (B*W*C*)

Quercus engelmannii, "ENGELMANN OAK" - Tough, drought tolerant, wide-spreading tree, w/ hollylike leaves; fast-growing in youth, picturesque in age; Calif. native of Santa Rosa Plateau fame. [13] (B*W*C*)

Quercus garryana, "GARRY OAK" - Majestic, north Calif. native, low-water-use, deciduous, large tree w/ thick, spreading branches forming a rounded crown & shiny, lobed leaves, fuzzy below; slow to moderate growth [15] (B*W*C*)

Quercus ilex, "HOLLY OAK" - Tough, drought tolerant, dense-crowned tree, w/ smooth, dark gray bark, hollylike leaves that are green above, hairy below; fast-growing in youth. [5] (B*W*)

Quercus kelloggii, "CALIF. BLACK OAK" - Calif. mountain native, deciduous tree w/ picturesque habit & handsome, lobed leaves w/ bristle points emerging pink, aging to dark green. [13] (B*W*C*)

Quercus lobata, "VALLEY OAK" - Majestic, Calif. native, low-water-use, deciduous, large tree w/ thick, spreading branches & handsome, deeply lobed leaves; fairly fast growth w/ some irrigation. [16/12] (B*W*C*)

Quercus tomentella, "ISLAND OAK" - Channel Is. native, water efficient, evergreen tree, w/ slightly toothed, 2-4 in. leaves that are dark green above, felty white or tan below; symmetrical in shape if well grown. [20] (B*W*C*)

Rhamnus alaternus 'John Edwards', "ITALIAN BUCKTHORN" - Nearly indestructible, heat tolerant & versatile large shrub easily trained to a small tree; can be clipped or hedged; dark green, shiny leaves & black berries; good oleander subsitute. [12] (W*)

Rhamnus prinoides, "AFRICAN DOGWOOD" - Rare, evergreen, South African, large shrub/small tree w/ dark green, shiny leaves & berries that start out green, then turn yellow, red & then black -- w/ all colors appearing at once. [19] (F*)

Sabal mexicana, "OAXACA PALMETTO" - Handsome, heat-loving, slow-growing palm w/ 3-ft., dark green, fan-shaped fronds, eventually forming a slender trunk to 50 ft.; said to be hardy to 10 degrees F. [10]

Salix matsudana 'Tortuosa', "CORKSCREW WILLOW" - Easy, fast-growing tree w/ elegantly spiraled branches; most water efficient willow; cut branches handsome in arrangements, fresh or dried. [9] (B*F*)

Sapium sebiferum, "CHINESE TALLOW TREE" - Choice, fast-growing, deciduous tree w/ heart-shaped, aspen-like leaves that flutter in the breeze; gorgeous fall foliage color varies from red to purple. [43]

Schotia brachypetala, "TREE FUCHSIA" - Slow-growing South African tree or shrub w/ handsome, shiny dark green compound leaves & clusters of waxy, crimson flowers w/ protruding stamens born mostly on older wood. [21/60] (H*S*)

Sophora secundiflora, "TEXAS MOUNTAIN-LAUREL" - Choice, heat-loving, slow-growing tree w/ dark green, shiny leaflets & wisteria-like, violet blue flowers w/ delicious grape scent that lasts after drying; seeds poisonous. [26] (B*W*S*)

Tabebuia impetiginosa, "PINK TRUMPET TREE" - Spectacular, deciduous tree w/ hand-shaped, 5-leaflet leaves & pretty, 2 to 3 in., lavender-pink, trumpet-shaped flowers before the leaves appear in spring. [30] (H*)

Tecoma stans v. angustata, "YELLOW BELLS" - More water-efficient form of this popular favorite -- small tree/large shrub w/ feathery foliage & clusters of trumpet-shaped, bright yellow flowers over long summer/fall season. [12/10] (H*W*)

Trachycarpus fortunei, "WINDMILL PALM" - One of hardiest palms w/ single, fiber-covered trunk & slender-stemmed, deep green, fan-shaped fronds; hardy to 10 degrees. [3]

Vauquelinia corymbosa v. heterodon, "SLIMLEAF ROSEWOOD" - Southwest native, water efficient small tree/large shrub related to Calif. native toyon; 6-in, leathery, toothed leaves & showy, flattened clusters of tiny white flowers in spring. [8] (B*W*)

Vitex agnus-castus 'Stony Point', "CHASTE TREE" - Tough, fast-growing small tree or large shrub w/ pretty, hand-shaped leaves & dense, conical spikes of small, dark blue purple, fragrant flowers over long summer season. [25] (B*W*S*)

Yucca 'Silver Star', "SILVER STAR YUCCA" - Handsome variegated form of this slow-growing, tree-like yucca w/ dark green, sword-shaped leaves striped white & dense clusters of large, fleshy, creamy white flowers. [4] (W*)

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