Port (adulte) - Famartin / Wikimedia Commons - CC BY-SA 4.0
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Caryer ovale
Carya ovata
Un grand arbre caduque de canopée, indigène des forêts de l'est de l'Amérique du Nord, doté de l'écorce la plus distinctive de tous les arbres tempérés — de longues plaques écailleuses et recourbées qui se détachent du tronc en lanières verticales. Noix comestibles (l'un des rares caryers aux amandes douces plutôt qu'amères). Croissance lente et longévité remarquable (200-300 ans et plus). Parmi les genres clés de voûte de Tallamy — Carya héberge des centaines d'espèces de Lépidoptères.
Native: 36 US states + 2 CA provinces
Climate fit: broad (76/100)
Focal point
Structure
Light
Full sun / Part shade
Water
Moderate water
Mature size
720-1080" tall · 480" apart
Hardy in zones
4a-8b
very cold to frosty winters
AHS heat range
1-11
Plant range authored in AHS heat-zone terms.
Native in Illinois
Yes
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Plant support
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Harvest and processing
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Pruning and deadheading
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A documented larval host for the Imperial moth and 2 other species — caterpillars feed on its foliage before becoming the next generation.
Cold hardiness
Future
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
USDA
Published baseline for this location from 1991-2020.
Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer
Well-suited
2050
Zone 7a
Plotwright
Projected zone for this same location in 2050 (2041-2070) using SSP3-7.0 (regional rivalry).
Well-suited
In plain terms: This location is in Zone 6b today. Its hardiness profile is cold winters, and coldest nights are typically around -3°F. By 2050, the projected hardiness zone is Zone 7a based on SSP3-7.0 (regional rivalry). That is a +0.5-zone shift from Zone 6b to Zone 7a by 2050.
✓
Well-suited today and still thriving in 2050.
Heat tolerance
Future
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 40 ecoregions — 35 climate-resilient through 2070 · 5 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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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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Colorado Rockies forests
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Cross-Timbers savanna-woodland
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Appears in collections
Collection · 8 plantes
Food-forest layered edible
A vertically stacked edible polyculture: nut-bearing canopy, fruit-bearing understory, berry shrub layer, herbaceous layer, and groundcover for temperate eastern North America.
Sources & citations
Cite this page
For lesson plans, articles, or research that uses this page. To cite a single upstream fact instead, use its specific source listed below.
Plotwright. (2026, May 17). Caryer ovale (Carya ovata). Retrieved 2026, June 14, from https://plotwright.garden/plants/carya-ovata
Sources for every fact
Every fact on this page traces to a source. 18 fields cited - 18 source-backed.
NC State Extension Gardener Plant Toolbox
University extension service
Backs 17 fields
Identity
Summary
Plant type
Light
Moisture
Hardiness
Heat zone
Size
Spacing
Habit
Design roles
Seasonal interest
Growth stages
Lifecycle
Regional guidance
Success tips
Designer notes