SelecTree: Tree Detail
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
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.
Additional Common Names
WESTERN COTTONWOOD, FREMONT COTTONWOOD, GILA COTTONWOOD
Erect or Spreading and requires ample growing space.
Rounded or Spreading 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, Golden or Yellow or Orange, Deciduous.
Flowers Inconspicuous. Flowers in Spring or Winter. Has either male or female reproductive parts (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.
Special Uses & Values
Cite this tree:
SelecTree. "Populus fremontii Tree Record." 1995-2020. Aug 9, 2020.
< https://selectree.calpoly.edu/tree-detail/populus-fremontii >
SelecTree Nursery Connection Map
Cal Poly / ESRI