SelecTree: Tree Detail

PALO ALTO SWEETGUM
Liquidambar styraciflua 'Palo Alto'

Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto' Liquidambar styraciflua 'Palo Alto'

Photo Locations: Hoyt Arboretum - Portland, OR, Los Angeles County Arboretum - Arcadia, CA and private home - Bakersfield, CA

General Notes

Resistant to oak root fungus. Hardy to about -10 degrees F. Crown spread 15 - 25 feet.

Family: Hamamelidaceae

Additional Common Names

PALO ALTO SWEETGUM, LIQUIDAMBAR

Tree Characteristics

Erect or Spreading and requires ample growing space.

Conical Shape.

Has Deciduous foliage.

Height: 80 feet.

Width: 40 feet.

Growth Rate: 24 Inches per Year.

Longevity Greater than 150 years.

Leaves Lobed and Palmate, Medium to Dark Green, Red, Orange or Multicolored, Deciduous.

Flowers Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).

Prolific, Brown or Mostly Green Capsule with Winged Seeds, Large (1.50 - 3.00 inches), fruiting in Fall Wildlife use it.

Bark Light Green or Light Gray, Fissured.

Shading Capacity Rated as Moderate in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit.

Tree Site Conditions & Constraints

Sunset Zones 3 - 9 and 14 - 24.

USDA Hardiness Zones 6 - 9.

Exposure Full Sun to Partial Shade.

Wet to Dry Soil.

Clay, Loam or Sand Texture.

Highly Acidic to Slightly Alkaline Soil pH.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Resistant to Verticillium. Susceptible to Invasive Shot Hole Borer, Aphids, Caterpillars, Scales and Spider Mites, Armillaria, Anthracnose, Chlorosis and Sooty Mold.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as High.

None Known Health Hazard.

Desirable Wildlife Plant.

Attracts Birds.

Not Deer Palatable.

Wildlife use Fruit.

Special Uses & Values

Riparian.

Cite this tree:
SelecTree. "Liquidambar styraciflua 'Palo Alto' Tree Record." 1995-2019. Jun 26, 2019.
< https://selectree.calpoly.edu/tree-detail/liquidambar-styraciflua-palo-alto >

SelecTree Nursery Connection Map
Cal Poly / ESRI