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Rio Grande Cottonwood, Valley Cottonwood, Wislizenus Cottonwood, Alamo
Populus fremontii var. wislizenii


Rio Grande cottonwood is probably the most common cottonwood in the northern and western portions of the Trans-Pecos area of west Texas, growing along waterways, irrigation canals and drainage ditches. It is a fast-growing tree, sometimes 110 feet tall, and like all cottonwoods relatively short-lived.

Plant Habit or Use: large tree

Exposure: sun

Flower Color: yellow-green on female trees, purple-red on males

Blooming Period: spring

Fruit Characteristics: on female trees, drooping racemes of egg-shaped capsules, containing seeds covered with cottony hairs

Height: to 110 ft.

Width: to 40 ft.

Plant Character: deciduous

Heat Tolerance: very high

Water Requirements: high medium

Soil Requirements: adaptable

USDA Hardiness Zone: 7

Additional Comments:

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