Eastern cottonwood
Populus deltoides
One of the largest and fastest-growing native hardwoods of eastern and central North America - a streambank and bottomland tree reaching 50 to 80 feet (occasionally far more) with a broad, open-rounded crown. Its glossy triangular (deltoid) leaves with coarse marginal teeth and flattened petioles flutter and clatter in the wind, and female trees release the cottony seed fluff that gives the tree its name. Fast, tough, and tolerant of drought and urban conditions, but messy and weak-wooded - Missouri Botanical Garden calls it generally inappropriate for ornamental or urban use, better suited to rural lowspots and stream corridors.
Native: 44 US states + 5 CA provinces
Climate fit: broad (100/100)
Structure
Focal point
Light
Full sun
Water
Consistent moisture
Mature size
50-80 ft tall · 40 ft apart
Hardy in zones
2a-9b
brutally cold to frosty winters
AHS heat range
1-12
Plant range authored in AHS heat-zone terms.
Native in Illinois
Yes
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A documented larval host for the Eastern tiger swallowtail and 5 other species - caterpillars feed on its foliage before becoming the next generation.
Cold hardiness
These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.
Now
Zone 6b
Plotwright
USDA Zone 6b
-5°F to 0°F
Well-suited
Zone 7a
Plotwright
0°F to 5°F
Well-suited
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
✓
Well-suited today and still thriving in 2050.
Heat tolerance
Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...
Where this plant fits
Suitable across 42 ecoregions - 41 climate-resilient through 2070 · 1 suited today. Best matches first.
Appalachian mixed mesophytic forests
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Appalachian-Blue Ridge forests
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Arizona Mountains forests
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Atlantic coastal pine barrens
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Blue Mountains forests
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Canadian Aspen forests and parklands
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Central Pacific Northwest coastal forests
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Central Tallgrass prairie
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Central-Southern Cascades Forests
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Chilean Matorral
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Similar plants
Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
Educator packet
Plant packet
Eastern cottonwood educator packet
One of the largest and fastest-growing native hardwoods of eastern and central North America - a streambank and bottomland tree reaching 50 to 80 feet (occasionally far more) with a broad, open-rounded crown. Its glossy triangular (deltoid) leaves with coarse marginal teeth and flattened petioles flutter and clatter in the wind, and female trees release the cottony seed fluff that gives the tree its name. Fast, tough, and tolerant of drought and urban conditions, but messy and weak-wooded - Missouri Botanical Garden calls it generally inappropriate for ornamental or urban use, better suited to rural lowspots and stream corridors.
Scientific name
Populus deltoides
Plant type
tree
Hardiness
2a-9b
Light
full-sun
Moisture
consistent
Spacing
480 inches
Classroom prompts
- Which plant traits are observations, and which are care recommendations?
- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?
- Which source-backed facts would you cite in a lesson handout?
Use the Sources & citations section below for page citation styles and the field-level source list.
Sources & citations
Cite this page
For lesson plans, articles, or research that uses this page. Use the source cards below to explore the references that informed this record.
Plotwright. (2026, May 17). Eastern cottonwood (Populus deltoides). Retrieved 2026, August 20, from https://plotwright.com/plants/populus-deltoides
Sources used for this record
This record is compiled from the sources below.
Lady Bird Johnson Wildflower Center Native Plant Database
Botanical research database





