How much sun does Utah Ash need?

Utah Ash grows best in full sun conditions.

When does Utah Ash bloom?

Utah Ash blooms in April and May.

Where is Utah Ash native?

Utah Ash (Fraxinus anomala) is native to AZ, CA, CO, NM and 3 more states, per vouchered herbarium specimen records and regional native plant society lists.

Is Utah Ash toxic to livestock?

The USDA PLANTS Database does not flag Utah Ash as toxic to livestock.

What pollinators does Utah Ash attract?

Utah Ash draws bees and beetles.

Is Utah Ash HOA-friendly?

Utah Ash is generally an HOA-friendly choice in the right placement, with low maintenance.

Utah Ash

Name: Pollinator Patch
Author: Pollinator Patch

Fraxinus anomala

Last reviewed: August 2026

Utah Ash (Fraxinus anomala) is a perennial tree native to AZ, CA, CO, NM and 3 more states. It blooms in April and May. The flowers draw bees and beetles. It reads as an intentional, HOA-friendly planting in the right spot.

Toxicity unknown

Utah Ash (Fraxinus anomala) 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.

The USDA PLANTS Database (opens in new tab) does not flag Utah Ash as toxic to livestock.

Light

full sun

Water

low

Size

180"–360" H × 120"–240" W

Bloom

Apr, May

Native to

AZ, CA, CO, NM and 3 more states

Pollinators

bees, beetles

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 445 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Central Basin and Range Mojave Basin and Range Northwestern Forested Mountains North American Deserts Southern Rockies Arizona/New Mexico Mountains Madrean Archipelago Sonoran Basin and Range

A small to medium-sized deciduous tree that produces clusters of small flowers in spring before leafing out and develops attractive fall color. It is drought-tolerant once established.

Growing Utah Ash

Grow Utah Ash in full sun and low water. Mature plants reach 180 to 360 inches tall and spread 120 to 240 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Utah Ash is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, street edge, mid zone.

Wildlife value

The spring blooms attract bees and beetles for pollination. As a native ash species, it provides habitat and food sources for local wildlife throughout the growing season.

Common questions

How much sun does Utah Ash need?: Utah Ash grows best in full sun conditions.
When does Utah Ash bloom?: Utah Ash blooms in April and May.
Where is Utah Ash native?: Utah Ash (Fraxinus anomala) is native to AZ, CA, CO, NM and 3 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Utah Ash toxic to livestock?: The USDA PLANTS Database does not flag Utah Ash as toxic to livestock.
What pollinators does Utah Ash attract?: Utah Ash draws bees and beetles.
Is Utah Ash HOA-friendly?: Utah Ash is generally an HOA-friendly choice in the right placement, with low maintenance.

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.

Ready to grow Utah Ash? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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