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Bull muhly

Muhlenbergia emersleyi

Last reviewed: August 2026

Bull muhly (Muhlenbergia emersleyi) is a perennial grass native to AZ, NM, TX. It blooms in September, October, and November. It reads as an intentional, HOA-friendly planting in the right spot.

Bull muhly (Muhlenbergia emersleyi)
Photo: (c) Eugenio Padilla, some rights reserved (CC BY-SA), uploaded by Eugenio Padilla

Toxicity unknown

Bull muhly (Muhlenbergia emersleyi) 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

low

Size

24"–36" H × 24"–36" W

Bloom

Sep, Oct, Nov

Native to

AZ, NM, TX

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.

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A clumping ornamental grass with narrow, arching blue-green blades that form a rounded mound of foliage. Sends up airy, pink-tinged flower plumes well above the foliage in fall, adding seasonal color and movement to the landscape. Foliage fades to warm tan tones through the cooler months.

Growing Bull muhly

Grow Bull muhly in full sun and low water. Mature plants reach 24 to 36 inches tall and spread 24 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

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

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

Wildlife value

Fall seed plumes provide forage for birds, and the dense clumping habit offers shelter for small wildlife.

Common questions

How much sun does Bull muhly need?
Bull muhly grows best in full sun conditions.
When does Bull muhly bloom?
Bull muhly blooms in September, October, and November.
Where is Bull muhly native?
Bull muhly (Muhlenbergia emersleyi) is native to AZ, NM, TX, per vouchered herbarium specimen records and regional native plant society lists.
Is Bull muhly HOA-friendly?
Bull muhly 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 Bull muhly? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz