SelecTree: Tree Detail

FREMONT COTTONWOOD
Populus fremontii

Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii Populus fremontii

Photo Locations: Santa Fe, NM, San Luis Obispo, CA, Tilden Regional Parks Botanical Garden - Berkeley, CA, Nipomo, CA, Rancho Santa Ana Botanic Garden - Claremont, CA, Pine Mountain Lake - Groveland, CA and Santa Barbara Botanic Garden - Santa Barbara, CA

General Notes

A California native riparian tree.

Native to Southwestern United States.

Trees may be referred to as male or female.

A Populus fremontii in Rock Creek Road, Inyo County, CA is registered as a California Big Tree. It measures 103 feet high, with a trunk circumference of 332 inches and a crown spread of 120 feet.

Family: Salicaceae

Additional Common Names

WESTERN COTTONWOOD, FREMONT COTTONWOOD, GILA COTTONWOOD

Tree Characteristics

Erect or Spreading and requires ample growing space.

Oval, Rounded or Umbrella Shape.

Has Deciduous foliage.

Height: 40 - 80 feet.

Width: 30 - 50 feet.

Growth Rate: 36 Inches per Year.

Longevity 40 to 150 years.

Leaves Deltoid, Light Green, Gold, Deciduous.

Flowers Inconspicuous. Flowers in Spring or Winter. Has either male or female flowers (dioecious). Trees may be sold as male or female.

Brown Capsule, Small (0.25 - 0.50 inches), fruiting in Summer.

Bark Light Green or Light Gray, Furrowed or Smooth.

Shading Capacity Rated as Moderately Dense in Leaf.

Shading Capacity Rated as Moderate out of Leaf.

Litter Issue is Dry Fruit and Twigs.

Tree Site Conditions & Constraints

Sunset Zones 1 - 12 and 14 - 21.

USDA Hardiness Zones 3 - 9.

Exposure Full Sun.

Wet to Dry Soil.

Loam or Sand Texture.

Highly Acidic to Highly Alkaline Soil pH.

Salinity Tolerance is Good Inland.

Seaside Tolerance is Good in Mild Zone.

Pests & Disease Information

Susceptible to Aphids, Beetle Borers, Beetle Leaves and Caterpillars, Anthracnose, Canker, Crown Rot, Mistletoe and Sooty Mold.

Health, Safety & Environmental Concerns

Branch Strength Rated as Weak.

Root Damage Potential Rated as High.

Allergy Health Hazard.

Biogenic Emissions considered High.

Fire Resistance is Favorable.

Desirable Wildlife Plant.

Attracts Birds.

Deer Palatable.

Special Uses & Values

Riparian.

Cite this tree:
SelecTree. "Populus fremontii Tree Record." 1995-2019. May 26, 2019.
< https://selectree.calpoly.edu/tree-detail/populus-fremontii >

SelecTree Nursery Connection Map
Cal Poly / ESRI