Arizona Walnut is a tree, a long-term addition to the landscape.
Arizona Walnut — the short answer
Arizona Walnut: hardy to zone 7, part sun.
- USDA zones
- Hardy to zone 7
- Hardy to zone 7 — Utah State University Extension TreeBrowser.
- Sun
- Part Sun
- Growable Ground Plant Database
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.
Score Arizona Walnut on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether arizona walnut actually takes — and those shift from one yard to the next. Enter your address and we'll score arizona walnut against your land's real conditions.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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See Arizona Walnut
What Arizona Walnut is
Arizona Walnut grows as a perennial and reaches around 50 feet at maturity. It blooms brown in late spring.
How to grow Arizona Walnut
Arizona Walnut does best in part sun — at least 4 hours of direct sun a day.
USDA Zones
Hardy to zone 7
Rated hardy to zone 7 by Utah State University Extension TreeBrowser, checked Oct 2026. Ceiling: not verified.
Soil pH
Data pending
Sun
Part Sun
Growable Ground plant catalog
Drainage
Data pending
Mature Height
50 ft
Growable Ground plant catalog
Plant it right
Set arizona walnut in part sun with well-drained soil.
Match the soil
Pull a soil test from your local Extension lab to confirm pH and drainage match arizona walnut's needs before planting.
Water steadily
Keep the root zone evenly moist through establishment. Match watering to the plant's drainage preference and your local rainfall.
Shape it while it is young
Prune arizona walnut only to remove dead, damaged or crossing branches while it is young; it is grown for its form, not a harvest, so little more is needed once it settles in.
Where Arizona Walnut thrives
Whether arizona walnut thrives on a given site comes down to its soil pH, drainage, sun, and frost dates — the conditions that vary parcel to parcel.
What grows around Arizona Walnut
Growing guides for arizona walnut
Your land is one point inside Arizona Walnut's range
This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.
See if Arizona Walnut will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether arizona walnut actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources analyzed in seconds
How we know this about Arizona Walnut
The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.
Grounded inUSDA PLANTS Database•ASPCA
Frequently asked questions
Can I grow Arizona Walnut in my zone?
Arizona Walnut is hardy to zone 7. Rated hardy to zone 7 by Utah State University Extension TreeBrowser, checked Oct 2026. Its warm limit is not verified. Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Arizona Walnut?
Set arizona walnut out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.
How much sun does Arizona Walnut need?
Arizona Walnut does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Arizona Walnut need?
Specific pH data for arizona walnut is pending. A soil test from your local Extension lab confirms what your site needs.
Is Arizona Walnut safe for pets?
No toxicity database we draw on publishes a rating for arizona walnut, so we don't have one to report. Check the ASPCA Poison Control plant list before planting it where pets browse.