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Hairy Chess

Bromus commutatus

Last reviewed: August 2026

Hairy Chess (Bromus commutatus)
Photo: (c) Patrick Hacker, some rights reserved (CC BY), uploaded by Patrick Hacker

Toxicity unknown

Hairy Chess (Bromus commutatus) 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

part shade

Water

medium

Size

12"–36" H × 6"–18" W

Bloom

May, Jun, Jul

Native alternatives to Hairy Chess

Hairy Chess is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

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.

Find rebates in your area

Hairy chess is an annual grass that grows 1-3 feet tall with a somewhat open, upright form. It blooms from May through July but dies back completely each year as an annual. This European species has naturalized across much of North America.

In an HOA neighborhood

Hairy Chess takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Annual lifecycle creates bare spots each year
  • Can appear weedy and unkempt
  • Non-native species may spread unpredictably

Wildlife value

As a grass, it provides some seed for birds and small wildlife. However, it offers limited value compared to native warm-season grasses that support more local wildlife.

Common questions

How much sun does Hairy Chess need?
Hairy Chess grows best in part shade conditions.
When does Hairy Chess bloom?
Hairy Chess blooms in May, June, and July.
Is Hairy Chess HOA-friendly?
Hairy Chess takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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

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

Planning a bed around it? Start a free plan with this plant

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