How much sun does Western-goldenrod need?

Western-goldenrod grows best in full sun conditions.

When does Western-goldenrod bloom?

Western-goldenrod blooms in July, August, and September.

Where is Western-goldenrod native?

Western-goldenrod (Euthamia occidentalis) is native to AZ, CA, CO, ID and 8 more states, per vouchered herbarium specimen records and regional native plant society lists.

What pollinators does Western-goldenrod attract?

Western-goldenrod draws bees, butterflies, beetles, and syrphid flies.

Western-goldenrod

Name: Pollinator Patch
Author: Pollinator Patch

Euthamia occidentalis

Last reviewed: November 2026

Western-goldenrod (Euthamia occidentalis) is a perennial forb native to AZ, CA, CO, ID and 8 more states. It blooms in July, August, and September. The flowers draw bees, butterflies, beetles, and syrphid flies.

Watering reminders and freeze alerts for Western-goldenrod, free in the app.

Toxicity unknown

Western-goldenrod (Euthamia occidentalis) 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

24"–48" H × 18"–36" W

Bloom

Jul, Aug, Sep

Native to

AZ, CA, CO, ID and 8 more states

Pollinators

bees, butterflies, beetles, syrphid flies

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

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Try it with your yard

An upright perennial with narrow, willow-like leaves and flat-topped clusters of small, bright yellow flower heads in late summer. Grows in moist meadows, streambanks, and seasonal wetlands, spreading slowly by rhizomes.

Growing Western-goldenrod

Grow Western-goldenrod in full sun and medium water. Mature plants reach 24 to 48 inches tall and spread 18 to 36 inches wide.

Wildlife value

The flat, abundant flower clusters are a major late-season nectar and pollen source for a wide range of bees, butterflies, and beneficial predatory insects.

Common questions

How much sun does Western-goldenrod need?: Western-goldenrod grows best in full sun conditions.
When does Western-goldenrod bloom?: Western-goldenrod blooms in July, August, and September.
Where is Western-goldenrod native?: Western-goldenrod (Euthamia occidentalis) is native to AZ, CA, CO, ID and 8 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Western-goldenrod attract?: Western-goldenrod draws bees, butterflies, beetles, and syrphid flies.

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.

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