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// SPECIES PROFILE · TREE · NATIVE

Arizona walnut

Juglans major

Arizona walnut (Juglans major) is a tree in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 3a–10b. Mature size 36'–48'. Blooms Apr–May.

// QUICK FACTS
Family
—
Group
tree
Native range
Native to AZ, NM, OK, TX, UT
USDA hardiness
Zones 3a–10b
Mature size
36'–48'
Sun
Part shade
Water
Medium
Bloom
Apr–May
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Arizona walnut (Juglans major)
Juglans major — Arizona walnut. Photo by Bruce Marlin via Wikimedia Commons (CC BY 3.0).

Field Notes

[ growing · ecology · siting · care ]

Arizona walnut (Juglans major) is a tree in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 3a–10b. Mature size 36'–48'. Blooms Apr–May.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, arizona walnut pairs naturally with: Eastern Cottonwood (Populus deltoides), Sugarberry (Celtis laevigata), Colorado pinyon pine (Pinus edulis), Chokecherry (Prunus virginiana).

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