How much sun does Arizon ash need?

Arizon ash grows best in full sun conditions.

When does Arizon ash bloom?

Arizon ash blooms in March and April.

Where is Arizon ash native?

Arizon ash (Fraxinus velutina) is native to AZ, CA, NM, NV and 2 more states, per vouchered herbarium specimen records and regional native plant society lists.

What butterflies or moths does Arizon ash host?

Arizon ash is a larval host plant for two-tailed swallowtail.

Arizon ash

Name: Pollinator Patch
Author: Pollinator Patch

Fraxinus velutina

Last reviewed: September 2026

Toxicity unknown

Arizon ash (Fraxinus velutina) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

medium

Size

240"–480" H × 180"–360" W

Bloom

Mar, Apr

Native to

AZ, CA, NM, NV and 2 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains Central Basin and Range Mojave Basin and Range Northwestern Forested Mountains North American Deserts Arizona/New Mexico Mountains Chihuahuan Deserts Madrean Archipelago Sonoran Basin and Range Southern California/Northern Baja Coast

A medium-sized deciduous tree with compound, pinnate leaves and a rounded crown, tolerant of heat, alkaline soil, and periodic drought once established. Common along desert washes and riparian corridors.

Wildlife value

Host plant for two-tailed swallowtail.

The foliage serves as a larval host plant for the two-tailed swallowtail butterfly, and the dense canopy provides valuable shade and nesting habitat in arid riparian zones.

Common questions

How much sun does Arizon ash need?: Arizon ash grows best in full sun conditions.
When does Arizon ash bloom?: Arizon ash blooms in March and April.
Where is Arizon ash native?: Arizon ash (Fraxinus velutina) is native to AZ, CA, NM, NV and 2 more states, per vouchered herbarium specimen records and regional native plant society lists.
What butterflies or moths does Arizon ash host?: Arizon ash is a larval host plant for two-tailed swallowtail.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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