Zone 10 Trees

Bischofia javanica

Bischofia

Family Euphorbiaceae

Photos taken at Disneyland – Anaheim, CA, Los Angeles County Arboretum – Arcadia, CA and Balboa Park – San Diego, CA by M. Ritter, C. Stubler, W. Mark, J. Reimer

Site Conditions

  • Planting area: 10’ 
  • Root Damage Potential : Moderate
  • SelecTree Water Use: Medium
  • USDA zones: 10, 11
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Acidic to Alkaline
  • Soil salinity tolerance: Moderate
  • Powerline friendly: No

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Evergreen
  • Maximum height: 50 feet
  • Canopy width: 25-35 feet
  • Growth rate: ~24-120 in/year
  • Flowers: Inconspicuous
  • Flowering: Spring
  • Fruiting: Fall or Winter
  • Litter: Fruit

Site Consideration 

Streetscape, Parkland, Tree Specimen

Vitex agnus-castus

Chaste Tree

Family Verbenaceae

SelecTree. UFEI. “Vitex agnus-castus Tree Record.” 1995-2022. Cal Poly State University, San Luis Obispo. Accessed on Jul 19, 2022.
< https://selectree.calpoly.edu/tree-detail/1464 >

Site Conditions

  • Planting area: 2’ – 5’ 
  • Root Damage Potential: Low
  • SelecTree Water Use: Low
  • USDA zones: 6, 7, 8, 9, 10
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Very Acidic to Very Alkaline
  • Soil salinity tolerance: Good Inland 
  • Powerline friendly: Yes

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Deciduous
  • Maximum height: 15 feet
  • Canopy width: 15-20 feet
  • Growth rate: ~24 in/year
  • Flowers: Showy, Fragrant
  • Flower color: Blue or Lavender
  • Flowering: Summer or Fall
  • Fruit: Small Black Drupe
  • Fruiting: Summer or Fall 
  • Litter: Dry Fruit

Site Consideration 

Streetscape, Screen, and Tree Specimen

Fremontodendron californicum

Common Flannel Bush

Family Fremontodendron

Photos taken at Strybing Arboretum – San Francisco, CA and UC Santa Cruz Arboretum – Santa Cruz, CA by Robert O’Brien, M. Ritter, J. Reimer

Site Conditions

  • Planting area: 2’ – 5’ 
  • Root Damage Potential: Low
  • SelecTree Water Use: Low
  • USDA zones: 8, 9, 10
  • Sun exposure: Full Sun
  • Soil texture: Loam, Sand
  • Soil pH: Very Acidic to Very Alkaline
  • Soil salinity tolerance: Moderate 
  • Powerline friendly: Yes

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Evergreen
  • Maximum height: 20 feet
  • Canopy width: 12 feet
  • Growth rate: ~36 in/year
  • Flowers: Showy
  • Flower color: Yellow
  • Flowering: Spring 
  • Fruit: Brown or Green Capsule
  • Fruiting: Fall 
  • Litter: Dry Fruit

Site Consideration 

Streetscape, Screen, and Tree Specimen

Acca sellowiana ‘Coolidge’

Coolidge Pineapple Guava

Family Myrtaceae

Site Conditions

  • Planting area: 5’ – 10’ 
  • Root Damage Potential: Low
  • SelecTree Water Use: Low
  • USDA zones: 8, 9, 10, 11
  • Sun exposure: Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Slightly Acidic to Very Alkaline
  • Salt spray tolerance: Moderate
  • Powerline friendly: Yes

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Evergreen
  • Maximum height: 25 feet
  • Canopy width: 18 – 25 feet
  • Growth rate: ~24 in/year
  • Flowers: Showy
  • Flower color: Purple or Red or White
  • Flowering: Spring or Summer
  • Fruit: Large Gray or Green Berry
  • Fruiting: Fall or Winter
  • Fruit value: Edible
  • Litter: Wet Fruit

Site Consideration 

Hedge, Screen, and Tree

Quercus suber

Cork Oak

Family Fagaceae

Photos taken at Cal Poly Campus – San Luis Obispo, CA, Santa Barbara, CA, Davis, CA, Sonoma, CA, Balboa Park – San Diego, CA, Sacramento, CA and Quail Arboretum – Encinitas, CA by M. Ritter, W. Mark, J. Reimer

Site Conditions

  • Planting area: 10’ 
  • Root Damage Potential : Moderate
  • SelecTree Water Use: Low
  • USDA zones: 8, 9, 10
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Very Acidic to Very Alkaline
  • Soil salinity tolerance: Moderate
  • Powerline friendly: No

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Evergreen
  • Maximum height: 70 feet
  • Canopy width: 70 feet
  • Growth rate: ~24-36 in/year
  • Flowers: Inconspicuous
  • Flowering: Spring
  • Fruiting: Fall or Winter
  • Litter: Acorn

Site Consideration 

Streetscape, Tree Specimen

Lagerstroemia ‘Natchez’

Natchez Hybrid Crape Myrtle

Family Lythraceae

Photos taken at Dallas Arboretum – Dallas, TX, Cohn Arboretum – Baton Rouge, LA, Independence Park Botanic Garden – Baton Rouge, LA, River Banks Botanical Garden – Columbia, SC and The National Arboretum – Washington, DC by W. Mark, J. Reimer, C. Stubler

Site Conditions

  • Planting area: 5’-10’
  • Root Damage Potential: Low
  • SelecTree Water Use: Medium
  • USDA zones: 7, 8, 9, 10
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Very Acidic to Slightly Alkaline
  • Salt spray tolerance: Moderate
  • Powerline friendly: Yes

Tree Characteristics

  • Tree Shape: Rounded or Vase
  • Foliage type: Deciduous
  • Maximum height: 25 feet
  • Canopy width: 15-25 feet
  • Growth rate: ~12-24 in/year
  • Flowers: Showy
  • Flower color: White
  • Flowering: Summer
  • Litter: Dry Fruit Capsules

Site Consideration 

 Screen, Tree Specimen

Olea europaea ‘Swan Hill’

Swan Hill Olive

Family Oleaceae

Photos taken at San Diego, City of – San Diego, CA by DeLorenzo Inc.

Site Conditions

  • Planting area: 5’ – 10’ 
  • Root Damage Potential: Moderate
  • SelecTree Water Use: Low
  • USDA zones:  8, 9, 10
  • Sun exposure: Partial Shade to Full Sun
  • Soil texture: Loam, Sand, or Clay
  • Soil pH: Slightly Acidic  to Very Alkaline
  • Soil salinity tolerance: Coastal Moderate 
  • Powerline friendly: No

Tree Characteristics

  • Tree Shape: Rounded
  • Foliage type: Evergreen
  • Maximum height: 30 feet
  • Canopy width: 25 – 30 feet
  • Growth rate: ~24 in/year
  • Flowers: Inconspicuous
  • Flowering: Spring
  • Fruit: Fruitless
  • Litter: Null

Site Consideration 

Hedge, Screen, and Tree Specimen

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