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Appendix N: Plants Suitable for Southwest Landscaping

SOUTHWESTERN NATIVE PLANTS SUITABLE FOR LANDSCAPING

Scientific name Common name Geographic origin / distribution

 
TREES

Acacia farnesiana Sweet Acacia Southwest; Mexico; Chile
Acacia smallii   Southwest
Aesculus californica California Buckeye California
Brahea armata Blue Hesper Palm Baja California
Ceanothus arboreus Feltleaf Ceanothus California's coastal islands
Ceanothus 'Ray Hartman'    
Ceanothus thyrsiflorus Blue Blossom Oregon to Santa Barbara County, California
Cercidium floridum Blue Palo Verde S. California; Arizona; Baja California
Cercidium microphyllum Little Leaf Palo Verde Southwest
Cercidium praecox Sonoran Palo Verde Baja California; Central Mexico; Venezuela to Peru
Chilopsis linearis Desert Willow California to Texas to Mexico
Cupressus arizonica Arizona Cypress California; Arizona; New Mexico; Mexico
Cupressus forbesii Tecate Cypress S. California
Cupressus glabra Smooth Arizona Cypress Central Arizona
Juglans californica Southern California Black Walnut San Luis Obispo County, California to San Bernardino County, California
Lysiloma microphylla var. thornberi Feather Bush Arizona
Pinus coulteri Coulter Pine S. California
Pinus monophylla Single-leaf Pinon Pine Southwest
Pinus sabiniana Digger Pine Sierra Nevadas, California
Prosopis glandulosa Texas Mesquite Southwest
Prosopis juliflora Mesquite Southwest
Quercus agrifolia Coast Live Oak Mendocino County, California to Baja California
Quercus douglasii Blue Oak Central California
Quercus engelmannii Mesa Oak Los Angeles County, California to Baja California
Sambucus caerulea Blue Elderberry British Columbia to Baja California
Sophora secundiflora Mescal Bean Southwest

 
SHRUBS AND SUB-SHRUBS

Archtostaphylos densiflora Sonoma Manzanita Sonoma County, California
Archtostaphylos hookeri Monterey Manzanita Monterey Bay, California
Artemisia californica California Sagebrush California; Baja California
Atriplex lentiformis var. breweri Brewer Saltbrush California
Agave americana Century Plant Central Mexico
Agave attenuata Foxtail Agave Mexico
Agave deserti Desert Agave California; Arizona
Agave shawii Shaw's Century Plant N. Baja California
Agave victoriae-reginae   Mexico
Agave vilmoriniana Octopus Agave N.W. Mexico
Beaucarnea recurvata Ponytail Tree Mexico
Caesalpinia mexicana Mexican Poinciana N. Mexico
Calliandra californica Baja Fairy Duster Cape Region, Baja California
Calliandra eriophylla Fairy Duster Southwest
Calliandra peninsularis   Cape Region, Baja California
Ceanothus 'Concha'    
Ceanothus 'Dark Star'    
Ceanothus 'Frosty Blue'    
Ceanothus gloriosus Point Reyes Ceanothus Point Reyes, California to Point Arena, California
Ceanothus griseus Carmel Ceanothus Santa Barbara County, California to Mendocino County, California
Ceanothus impressus Santa Barbara Ceanothus Santa Barbara County, California and San Luis Obispo County, California
Ceanothus 'Joyce Coulter'    
Ceanothus 'Julia Phelps'    
Ceanothus maritimus Maritime Ceanothus San Luis Obispo County, California
Ceanothus rigidus Monterey Ceanothus Monterey Bay
Ceanothus 'Wheeler Canyon'    
Cleome isomeris Bladderpod California; Baja California
Comarostaphylis diversifolia Summer Holly San Diego County, California
Dasylirion acrotriche Green Desert Spoon E. Mexico
Dasylirion longissima Mexican Grass Tree E. Mexico
Dasylirion wheeleri Sotol Arizona; New Mexico; Texas
Dendromecon hardfordii Island Bush Poppy Santa Cruz Island, California; Santa Rosa Island, California
Dendromecon rigida Bush Poppy N. California to Baja California
Dudleya brittonii Chalk Dudleya S. California; N. Baja California
Dudleya virens Island Live-forever San Clemente Island, California; San Catalina Island, California
Dudleya viscida   San Juan Capistrano, California
Echeveria agavoides   Mexico
Echeveria crenulata   Mexico
Echeveria imbricata   Mexico
Encelia californica California Encelia Santa Barbara County, California to Baja California
Encelia farinosa Desert Encelia Southwest
Eriogonum arborescens Santa Cruz Island Buckwheat California's coastal islands
Eriogonum cinereum Asyleaf Buckwheat Santa Barbara County, California to Los Angeles County, California
Eriogonum fasciculatum Common Buckwheat California
Eriogonum parvifolium Coastal Buckwheat Monterey County, California to San Diego County, California
Fallugia paradoxa Apache Plume California; Arizona; Colorado; New Mexico; Mexico
Fremontodendron californicum California Flannel Bush California
Fremontodendron 'California Glory'    
Fremontodendron 'Ken Taylor'    
Fremontodendron mexicanum Southern Flannel Bush San Diego County, California to Baja California
Fremontodendron 'Pacific Sunset'    
Fremontodendron 'San Gabriel'    
Garrya elliptica Coast Silktassel Oregon to Ventura County, California
Hesperaloe parviflora Red Yucca N. Mexico; S. Texas
Heteromeles arbutifolia Toyon California; Baja California
Iva hayesiana Hayes Iva San Diego County, California to N.W. Baja California
Juniperus scopulorum Rocky Mountain Juniper British Columbia to Texas
Justicia californica Chuparosa California; Arizona; Mexico
Justicia spicigera Mexican Honeysuckle Mexico to Columbia
Keckiella antirrhinoides Yellow Penstemon S. California to Baja California
Keckiella cordifolia Heart-leaved Penstemon San Luis Obispo County, California to Baja California
Lupinus albifrons Silver Lupine Sierra Nevada, California
Lupinus arboreus Coastal Bush Lupine N. California to Ventura, California
Macfadyena unguis-cati Cat's Claw Mexico; Guatemala; Argentina
Mahonia nevinii Nevin Mahonia S. California
Malosma laurina Laurel Sumac Santa Barbara County, California to Baja California
Nolina bigelovii Bigelow Nolina California; Arizona; Baja California
Nolina parryi Parry's Nolina California; Arizona
Opuntia basilaris Beaver-tail Cactus California; Nevada; Arizona; Colorado; Mexico
Opuntia ficus-indica Indian Fig Southwest
Opuntia robusta   Mexico
Prunus ilicifolia Hollyleaf Cherry Napa County, California to Baja California
Rhamnus crocea Redberry S. California
Rhus integrifolia Lemonade Berry Santa Barbara County, California to Baja California
Rhus ovata Sugar Bush Santa Barbara County, California to Baja California
Ribes aureum Golden Currant Northwest to Central California
Ribes indecorum White-flowered Currant Santa Barbara County, California to Baja California
Ribes malvaceum Chaparral Currant California
Salvia apiana White Sage Santa Barbara County, California to Baja California
Salvia chamaedryoides Blue Sage Central Mexico
Salvia clevelandii Cleveland Sage San Diego County, California to Baja California
Salvia leucophylla Purple Sage San Luis Obispo County, California to Orange County, California
Salvia mellifera Black Sage California; Baja California
Simmondsia chinensis Jojoba S. California; Arizona; Baja California; Sonora, Mexico
Tecoma stans var. angustata Hardy Yellow Trumpet Flower Arizona; New Mexico; Mexico; N. Mexico
Trichostema lanatum Wooly Blue Curls Monterey County, California to San Diego County, California
Yucca whipplei Our Lord's Candle California

 
PERENNIALS

Baileya multiradiata Desert Marigold Southwest
Elymus condensatus 'Canon Prince'   California
Epiloblum californica California Fuchsia California
Epiloblum cana Hoary California Fuchsia California
Eriogonum grande spp. rubescens Red Buckwheat San Miguel Island, California; Santa Cruz Island, California
Eschscholzia californica California Poppy Oregon; California
Lobelia laxiflora Mexican Bush Lobelia S. Arizona; Mexico; South America
Melampodium leucanthum Blackfoot Daisy Arizona; Texas to Kansas; Mexico
Mimulus aurantiacus Sticky Monkey Flower Oregon to Baja California
Mimulus cardinalis Scarlet Monkey Flower Western US
Penstemon centranthifolius Scarlet Bugler California
Penstemon eatonii Firecracker Penstemon Southwest
Penstemon heterophyllus Foothill Penstemon Central and S. California
Penstemon palmeri   California; Arizona
Penstemon parryi   S. Arizona
Penstemon spectabilis Showy Penstemon S. California
Penstemon superbus   California; Arizona
Sisyrinchium bellum Blue-eyed Grass California
Sphaeralcea ambigua Desert Mallow Southwest

 
GROUND COVERS

Adenostoma fascilulatum 'Prostata' Chamise California; Baja California
Artemisia californica 'Canyon Grey'   San Miguel Island, California
Eriogonum fasciculatum 'Theodore Payne'   California
Eriogonum fasciculatum 'Prosstrata'   California
Eriogonum fasciculatum 'Dana Point'   California
Eriogonum fasciculatum 'Wildwood'   California
Iva hayesiana Hayes Iva San Diego County, California to N.W. Baja California
Sedum confusum   Mexico
Sedum moranense   Mexico
Sedum morganianum   Mexico
Sedum pachyphyllum   S. Mexico
Sedum rubrotinctum   Mexico
Sedum spathulifolium   British Columbia to California

 

NON-NATIVE PLANTS SUITABLE FOR SOUTHWEST LANDSCAPING

Scientific name Common name Geographic origin / distribution

 
TREES

Acacia baileyana Bailey Acacia S.E. Australia
Acacia dealbata Silver Wattle S.E. Australia
Acacia decurrens Green Wattle E. Australia
Acacia longifolia Sydney Golden Wattle E., S. Australia
Acacia melanoxylon Blackwood Acacia E. Australia; Tasmania
Acacia stenophylla Shoestring Acacia Australia
Butia capitata Pindo Palm Brazil to Argentina
Casuarina stricta Drooping She-oak Australia; Pacific Islands
Ceratonia siliqua Carob Tree Mediterranean Region
Chamaerops humilis Mediterranean Fan Palm Mediterranean Region
Cupressus sempervirens Italian Cypress Mediterranean Region; W. Asia
Dracaena draco Dragon Tree Canary Islands
Eucalyptus caesia Gungurru W. Australia
Eucalyptus cladocalyx Sugar Gum S. Australia
Eucalyptus microtheca Coolibah Australia
Leptospermum laevigatum Australian Tea Tree S. Australia
Melia azedarach Chinaberry Central China
Morus alba While Mulberry Central China
Nerium oleander Oleander Mediterranean Region
Olea europaea Olive Mediterranean Region
Phoenix dactylifera Date Palm N. Africa
Pinus halepensis Aleppo Pine Mediterranean Region
Pinus pinea Italian Stone Pine Mediterranean Region
Prosopis alba Argentine Mesquite South America
Prosopis chilensis Chilean Mesquite South America
Quercus suber Cork Oak Mediterranean Region
Schinus molle Pepper Tree Peru
Schinus polygamus Peruvian Pepper South America
Tamarix aphylla Athel Tree N. Africa; E. Mediterranean Region
Yucca gloriosa Spanish Dagger Mississippi; Louisiana; North Carolina to Florida

 
SHRUBS AND SUB-SHRUBS

Acacia cultriformis Knife Acacia E. Australia
Acacia cyclops Western Coastal Wattle S., W. Australia
Aeonium arboreum   Canary Island
Aeonium floribundum   Mediterranean Region
Aeonium 'Pseudotabulaeforme'    
Aloe arborescens Tree Aloe South Africa
Aloe bainesii   South Africa
Aloe candelabrum Candelabra Aloe South Africa
Aloe ferox   South Africa
Aloe marlothii   South Africa
Aloe nobilis   South Africa
Aloe plicatilis   South Africa
Aloe striata Coral Aloe South Africa
Anisodontea hyponmandarum Desert Honeysuckle South Africa
Artemisia arborescens Shrubby Wormwood Mediterranean Region
Artemisia 'Powis Castle'    
Caesalpinia gilliesii Bird of Paradise Bush Central, W. Argentina; Uruguay
Caesalpinia pulcherrima Dwarf Poinciana West Indies
Callistemon rigidus Stiff Bottle Brush Australia
Cassia artemisioides Feathery Cassia Central Australia
Cassia nemophila Desert Cassia S. Australia
Cassia odorata Spreading Cassia S. Australia
Cassia phyllodinea Silvery Cassia Australia
Cereus peruvianus Peruvian Apple West Indies; South America
Cotyledon orbiculat   Cape Region, South Africa
Cotyledon teretifolia   Cape Region, South Africa
Cotyledon undulata   Cape Region, South Africa
Crassula arborescens Silver Jade Plant Africa
Crassula argentea Jade Plant Africa
Crassula falcate Sickle Plant Africa
Crassula multicava   Africa
Elaeagnus pungens Silverberry China; Japan
Euphorbia ingens Candelabra Tree South Africa
Euphorbia tirucalli Milkbush South Africa
Juniperus sabina Savin Juniper Central Europe; Siberia
Kalanchoe beharensis Felt Plant South Africa; Madagascar
Kalanchoe blossfeldiana   South Africa; Madagascar
Keckiella uvaria Red-hot Poker Cape Region, South Africa
Opuntia lindheimeri var. linguiformis Cow's Tongue S. Texas
Polygonum aubertii Silver Lace Vine China; Tibet
Portulacaria afra Elephant's Food South Africa
Rosmarinum officinalis Rosemary Mediterranean Region
Santolina chamaecyparissus Lavender Cotton Mediterranean Region
Santolina virens   Mediterranean Region
Teucrium fruticans Bush Germander Mediterranean Region
Yucca aloifolia Spanish Bayonet Louisiana to Virginia to Florida

 
PERENNIALS

Centranthus rubber Red Valerian Mediterranean Region
Cortaderia selloana Pampas Grass Brazil; Argentina; Chile
Euphorbia millii Crown of Thorns Madagascar
Euphorbia rigida   Mediterranean Region

 
GROUND COVERS

Atriplex glauca   S. Australia
Atriplex semibaccata Creeping Sagebrush Australia
Cephalophyllum 'Red Spike' Red Spike Ice Plant  
Cistus salviifolius Sageleaf Rockrose Mediterranean Region
Cistus 'Sunset'    
Crassula multicava   Africa
Drosanthemum floribundum Rosea Ice Plant South Africa
Dymondia margaretae   South Africa
Juniperus sabina 'Broadmoor'   Central Europe; Siberia
Juniperus sabina 'Buffalo'   Central Europe; Siberia
Juniperus sabina 'Tamariscifolia'   Central Europe; Siberia
Lantana montevidensis 'Spreading Sunset'   South America
Lantana montevidensis 'Spreading Sunshine   South America
Maleophora crocea   South Africa
Maleophora luteola   South Africa
Myoporum parvifolium   S. Australia
Myoporum parvifolium 'Putah Creek'   S. Australia
Rosmarinus officinalis 'Prostratus'   Mediterranean Region
Rosmarinus officinalis 'Lockwood de Forest'   Mediterranean Region
Sedum anglicum   W. Europe
Sedum brevifolium   S.W. Europe; N.W. Africa
Sedum dendroideum praealtum    
Sedum sediforme   Mediterranean Region; N. Africa; Asia Minor
Sedum spectabile   China; Korea
Senecio mandraliscae   South Africa

Notes: All of the plants above were chosen and organized by the following criteria:

  1. In terms of water requirements with respect to Claremont's climate, each of these species needs little to no supplemental water after becoming established. Plants were researched and chosen using Bob Perry's Landscape Plants for Western Regions using the "Map of Landscape Regions" to identify Claremont as being in the "Southern Inland Valley and Foothills" and using the "Estimated Water Needs for Landscape Plants" index to identify plants for that region which were either "adapted to [the] region," (AL,) or needed only "low supplemental water," (L), (Perry [1992], 17, 33-41). Additionally, Sunset's Western Garden Book (Brenzel) was used for clarification and verification of Latin names, and geographic origins/distributions.

  2. Southwest native plants are interpreted here as those which naturally occur in California and California's bordering areas, including Nevada, Arizona, Baja California, and Mexico.

This list of plants was compiled to serve as the foundation for a database that the clinic is preparing; this database will have the ability to suggest water-conserving replacements for conventional landscaping plants (based on similar aesthetics, sun/shade requirements, landscaping purposes, etc.) in hopes of aiding both HMC's grounds crew and other interested parties via the World Wide Web implement a water-conserving landscape.

 

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