Fremont Cottonwood (Populus fremontii)

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Cottonwoods are normally associated with moist areas along waterways or drainage ditches, but the Fremont species is adaptable to a wider range of conditions making it a useful tree for the home landscape. This is a fast-growing tree that will start to provide great shade and structure within just a few seasons of growth. The leathery, triangular-shaped foliage makes a lovely sound as the leaves rustle in the wind and it turns vibrant yellow to announce the arrival of autumn. Fremont Cottonwood is native to the western regions of North America.


A classic favorite for landscape focal points and a good choice for any location where shade is desired. Best used for large scale plantings.

Plant Feed

Not necessary.


Water regularly until established.


Adapts to most soil types.

Basic Care Summary

Very easy to grow in virtually any location. When planting, keep the base of the trunk exposed. Adapts to most soil types. Water regularly until established.

Planting Instructions

Plant in spring or early fall to give plants the best start.

Choose a location that will allow roots to spread and branches to grow freely. Space plants far enough from building foundations, walls, and decks so that the growing foliage won’t crowd the structure. Consider whether tall trees or shrubs will block windows or interfere with the roof or power lines.

To prepare the planting area dig a hole as deep as the root ball and three times as wide. After removing the soil, mix it with some compost or peat moss. This enriches the soil and loosens the existing dirt so that new roots can spread easily.

To remove the plant from the container, gently brace the base of the plant, tip it sideways and tap the outside of the pot to loosen. Rotate the container and continue to tap, loosening the soil until the plant pulls smoothly from the pot. The container can also be removed by carefully cutting it down the side.

Set the plant in the hole. If the root ball is wrapped in burlap fabric this must now be removed along with any string or wire securing the burlap. If roots are tightly packed gently rake them apart with your fingers.

Return the soil to the planting area packing it firmly around the root ball. Fill the hole until the soil line is just at the base of the plant, where the roots begin to flare out from the main stem.

Water the plant well then add a 2” (5cm) layer of mulch, such as shredded bark, around the planting area. Keep the mulch at least 4” (10cm) away from the trunk of the plant as this can keep the bark too moist and cause it to decay.

Watering Instructions

Depending on rainfall, new plants need to be watered weekly through the first growing season. A slow, one-hour trickle of water should do the job. During hot spells thoroughly soaking the ground up to 8” (20 cm) every few days is better than watering a little bit daily. Deep watering encourages roots to grow further into the ground resulting in a sturdier plant with more drought tolerance.

To check for soil moisture use your finger or a hand trowel to dig a small hole and examine the soil. If the first 2-4” (5-10cm) of soil is dry, it is time to water.

Monitor new plants through the first two years to make sure they are getting the moisture they need. After that they should be sturdy enough to survive on their own.

Pruning Instructions

Pruning may be needed to remove dead branches, encourage bushier growth, promote more flowers, or maintain a specific size or shape.

Fertilizing Instuctions

Established trees should be fertilized every 2-3 years. Feed in early spring when plants start growing.

Fertilizers are available in many forms: granulated, slow-release, liquid feeds, organic or synthetic. Determine which application method is best for the situation and select a product designed for trees and shrubs, or go with a nutritionally balanced, general-purpose formula such as 10-10-10.

Always follow the fertilizer package directions for application rates and scheduling. Over-fertilizing plants or applying at the wrong time during the growing season can result in plant injury.

Plant Details

Category Nursery
Height Range 50-80′
Height Metric Range 15.2-24.4m
Space Range 20-30′
Space Metric Range 6.1-9.1m
Available Colors Grown for foliage
Companion Plants Pine, Juniper, Viburnum
Lowest Temperature -40° to -30°F
Lowest Temperature Metric -40° to -34°C
Bloom Time Grown for foliage
Plant Light Full Sun
Hardiness Zone 3, 4, 5, 6, 7, 8