Eastern Cottonwood Plant Care

Populus deltoides W.Bartram ex Marshall

Populus deltoides, the eastern cottonwood or necklace poplar, is a species of cottonwood poplar native to North America, growing throughout the eastern, central, and southwestern United States as well as the southern Canadian prairies, the southernmost part of eastern Canada, and northeastern Mexico.

🌳Trees
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

0–100°F

Humidity

30–70%

What Is the Eastern Cottonwood?

Eastern Cottonwood (Populus deltoides) belongs to the Salicaceae family within the Populus genus. Eastern Cottonwood is native to North America, growing throughout the eastern, central, and southwestern United States as well as the southern Canadian prairies, the southernmost part of eastern Canada, and northeastern Mexico. Eastern Cottonwood is also known as Cottonwood, Carolina Poplar.

Eastern Cottonwood displays a fast-growing deciduous tree growth habit, reaching up to 100 inches tall with a spread of approximately 50 inches. Eastern Cottonwood produces inconspicuous flowers in drooping catkins.

Leaf size: approximately 6 inches.

How Often Should You Water a Eastern Cottonwood?

Populus deltoides requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Eastern Cottonwood Need?

Eastern Cottonwood thrives in full sun to partial shade light conditions. The optimal light range is 200–1000 lux. Avoid placing Eastern Cottonwood in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Full sun to partial shade

200–1000 lux

What Temperature and Humidity Does the Eastern Cottonwood Prefer?

Populus deltoides grows best at temperatures between 0°F and 100°F. Eastern Cottonwood prefers humidity levels of 30–70%.

Temperature

0–100°F

Humidity

30–70%

What Soil Mix Works Best for a Eastern Cottonwood?

Moist, well-draining soil rich in organic matter. Good drainage is essential for Eastern Cottonwood to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Eastern Cottonwood?

Transplant young trees annually until mature. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Eastern Cottonwood?

Eastern Cottonwood can be propagated through seeds, hardwood cuttings. Similar propagation techniques also apply to quaking aspen plant care, which shares the same genus.

Fertilizing

Every 12 months

During the growing season

Is the Eastern Cottonwood Toxic to Pets and Children?

Non-Toxic

Non-toxic to humans and pets

What Pests and Diseases Affect the Eastern Cottonwood?

Eastern Cottonwood is susceptible to aphids, caterpillars, leaf beetles. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Keep exploring plants

Eastern Cottonwood is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Populus genus — compare its care with other Populus species on PlantoScan.

Eastern Cottonwood tolerates low-light rooms and shaded spots — browse the full list of low-light plants.

More Populus Species

Other Populus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Identify Plants Like the
Eastern Cottonwood Instantly

Scan any plant with your iPhone camera and get instant ID, care tips, watering reminders, and disease checks — all in one app.

Download on the App Store

Free

to download

89%

accuracy

5.0

App Store

200K+

species