The Fremont Cottonwood, also known as the Western Cottonwood or the Rio Grande Cottonwood, Populus fremontii, occurs in California east to Utah and Arizona and south into northwest Mexico. In the United States, the species can be found in Arizona, California, Colorado, Idaho, Nevada, New Mexico, Texas, and Utah.In Mexico, it can be found in the states of Baja California, Baja California Sur, Sonora, Chihuahua, Coahuila, Nuevo León, Mexico State, and Puebla. Fremont Cottonwood Populus fremontii subspecies fremontii Plant type Deciduous tree Size 40′ – 60’x30′ or wider Light Full sun Water Regular Zone 6 to 10. Populus fremontii ssp. The Plants Database includes the following 2 subspecies of Populus fremontii . The bark is smooth in younger trees, becoming deeply furrowed with whitish cracked bark with age. Click below on a thumbnail map or name for subspecies profiles. AKA Fremont's Cottonwood Fremont cottonwood has been used mainly in the past for fuel and fence posts. Fremont cottonwood has been widely planted as an ornamental and a shade tree, and used as a windbreak throughout the southwestern United States. Some cottonwood trees have been known to add six feet or more in height every single year! Other Common Names: Cottonwood Comments: This is the common Cottonwood of the Verde Valley, and most of Arizona. Cottonwood trees grow very fast making them desirable for timber production. Populus fremontii. Named after 19th century American explorer John C. Fremont, it is similar to the Eastern Cottonwood, differing mainly in the leaves having fewer, larger serrations on the leaf edge and small … Great Plains cottonwood ( P. sargentii ), of North America, has thick coarse-toothed leaves. Cahuilla tribes used the wood for mortars and tools. Its principal uses today are for erosion control, wildlife food and shelter, and shade for livestock and recreation facilities. Fremont's cottonwood (P. fremontii) is native to the southwestern United States and western Mexico. The beautiful Fremont Cottonwood is an iconic symbol of a moist area within an otherwise arid landscape. A 1914 survey along the Gila River of Arizona showed 1,584 acres (641 ha) - 33% of the survey area - was occupied by Fremont and other cottonwoods. Cottonwoods get their name from the profusion of cotton-like seeds that they shed every spring. On female trees, cottony seeds which can number in the millions on mature trees follow from the catkins. Fremont Cottonwood is more common in our area than Black Cottonwood. Both male and female plants produce spiky flowers called catkins that appear before the leaves come out. Fremont's cottonwood trees range from 12 to 35 meters in height, and trunk diameter ranges from 0.30 to 1.5 meters. Native Introduced Native and Introduced. It is one of three species in Populus sect. Many species and hybrids have wood with a variety of uses, including for matches and matchboxes. Twigs were used by the Pima for basket materials. Fremont cottonwood communities are declining as a result of human activities. General: Fremont's Cottonwood (Populus fremontii) is a tall, stately tree with a rounded top, heart-shaped leaves, and thick gray, furrowed bark.. Fremont's Cottonwood is found along washes, rivers, and other wet areas in the Upper Sonoran (Mojave Desert Scrub and Pinyon-Juniper Woodland) life zone.Family: Willow (Salicaceae).. Other Names: . Alamo, or Fremont cottonwood (P. fremontii), tallest of the group, is found in southwestern North America. Cottonwoods provide very important habitat for many birds. It is also grown for ornamental plantings and windbreaks. Fremont cottonwood was the most widespread riparian community of … Trees are either male or female. Aigeiros.The tree was named after 19th century American explorer and pathfinder John C. 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