Ripgut Brome

Ripgut Brome: Why This Invasive Grass Should Stay Out of Your Garden

If you’ve ever wondered about that spiky, aggressive-looking grass taking over disturbed areas near your home, you might be looking at ripgut brome (Bromus diandrus rigidus). Despite its dramatic common name, this isn’t a plant you’ll want to invite into your garden – and here’s why.

What is Ripgut Brome?

Ripgut brome is an annual grass that’s earned its fearsome name honestly. This non-native species produces razor-sharp seed awns that can literally cut through skin and fur, making it dangerous to both humans and animals. Originally from the Mediterranean region, this invasive grass has made itself far too comfortable across North America.

Where You’ll Find This Unwelcome Guest

This invasive grass has spread extensively across the continent, establishing populations in British Columbia and throughout much of the United States, including Arizona, Arkansas, California, Colorado, Delaware, District of Columbia, Georgia, Hawaii, Idaho, Illinois, Louisiana, Maryland, Massachusetts, Missouri, Montana, Nevada, New Jersey, New Mexico, New York, North Carolina, Oklahoma, Oregon, South Carolina, Texas, Utah, Virginia, and Washington.

Why Ripgut Brome is Bad News for Your Garden

Here’s why you should avoid this plant at all costs:

• Dangerous to people and pets: Those sharp awns can penetrate skin, eyes, and nasal passages of animals, causing serious injuries
• Invasive nature: It spreads aggressively and crowds out beneficial native plants
• Fire hazard: Creates dense, dry thatch that increases wildfire risk
• Poor wildlife value: Offers minimal benefits to pollinators or wildlife compared to native alternatives
• Difficult to control: Once established, it’s challenging to eradicate

Growing Characteristics (For Identification Purposes)

Understanding ripgut brome’s characteristics helps you identify and remove it before it becomes established:

• Growth habit: Annual grass that germinates in fall or early spring
• Appearance: Coarse, upright grass with distinctive sharp, rigid seed awns
• Hardiness: Thrives in USDA zones 8-11, but can survive in warmer parts of zone 7
• Preferred conditions: Loves disturbed soils, roadsides, and areas with poor soil quality
• Drought tolerance: Once established, it’s remarkably drought-tolerant

Better Alternatives: Native Grasses That Actually Benefit Your Garden

Instead of dealing with this problematic invasive, consider these native grass alternatives that provide beauty and ecological benefits:

• Buffalo grass (Bouteloua dactyloides) – drought-tolerant and low-maintenance
• Blue grama (Bouteloua gracilis) – attractive seed heads and excellent for xeriscaping
• Little bluestem (Schizachyrium scoparium) – beautiful fall color and wildlife habitat
• Sideoats grama (Bouteloua curtipendula) – distinctive seed arrangement and erosion control

What to Do if You Have Ripgut Brome

If you discover ripgut brome on your property:

• Remove it immediately, preferably before it sets seed
• Wear protective clothing and gloves when handling
• Bag and dispose of plant material – don’t compost it
• Consider professional help for large infestations
• Replant disturbed areas with native species to prevent re-invasion

Remember, the best defense against invasive plants like ripgut brome is prevention. By choosing native alternatives and maintaining healthy, diverse plant communities in your garden, you’ll create a landscape that’s both beautiful and beneficial to local wildlife – without the risk of cuts and scrapes from those infamous rigid awns!