North America Non-native Plant

Heath False Brome

Botanical name: Brachypodium pinnatum

USDA symbol: BRPI

Life cycle: perennial

Habit: grass

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Heath False Brome: A European Grass Finding Its Place in American Gardens If you’ve been searching for a low-maintenance perennial grass that can handle tough growing conditions, you might have come across heath false brome (Brachypodium pinnatum). This European native has quietly established itself in select areas of the United ...

Heath False Brome: A European Grass Finding Its Place in American Gardens

If you’ve been searching for a low-maintenance perennial grass that can handle tough growing conditions, you might have come across heath false brome (Brachypodium pinnatum). This European native has quietly established itself in select areas of the United States, and while it’s not a native species, it offers some interesting qualities for certain garden situations.

What is Heath False Brome?

Heath false brome is a perennial grass that forms attractive clumps of narrow, blue-green foliage. Despite its common name suggesting it’s a type of brome grass, it’s actually in its own distinct genus. This hardy grass produces delicate, drooping seed heads that add movement and texture to the garden landscape.

Where Does It Grow?

Originally from Europe, heath false brome has established populations in three U.S. states: California, Massachusetts, and Oregon. It reproduces on its own in these areas without human intervention, showing its adaptability to North American growing conditions.

Should You Plant Heath False Brome?

This is where things get interesting. As a non-native species, heath false brome isn’t necessarily the best choice for gardeners focused on supporting local ecosystems. However, it does have some appealing characteristics:

  • Extremely drought-tolerant once established
  • Adapts to poor soils where other grasses struggle
  • Low-maintenance and hardy in USDA zones 4-9
  • Provides texture and movement in naturalized gardens
  • Self-seeds readily, which can be a benefit or drawback depending on your goals

Consider Native Alternatives First

Before choosing heath false brome, consider these native grass alternatives that provide similar benefits while supporting local wildlife:

  • Little bluestem (Schizachyrium scoparium) – drought-tolerant with beautiful fall color
  • Buffalo grass (Bouteloua dactyloides) – excellent for low-water lawns in appropriate regions
  • Blue grama grass (Bouteloua gracilis) – charming seed heads and excellent drought tolerance

Growing Heath False Brome

If you decide heath false brome fits your specific gardening needs, here’s how to grow it successfully:

Planting

  • Plant in spring or fall for best establishment
  • Choose a sunny to partially shaded location
  • Ensure good drainage – this grass dislikes waterlogged conditions
  • Space plants 12-18 inches apart for groundcover effect

Care and Maintenance

  • Water regularly the first year to establish roots
  • Once established, it’s remarkably drought-tolerant
  • Cut back in late winter or early spring before new growth
  • Divide clumps every 3-4 years if needed
  • Be aware it may self-seed – remove seed heads if you don’t want it spreading

The Bottom Line

Heath false brome is a tough, adaptable grass that can solve problems in challenging garden spots. While it’s not native and won’t provide the same ecosystem benefits as indigenous grasses, it’s not considered invasive based on current information. If you’re dealing with poor soils, drought conditions, or need a low-maintenance grass for naturalized areas, it might be worth considering – just be prepared for its self-seeding tendencies and consider native alternatives first.

Remember, the best garden is one that works for both you and your local environment. Whether you choose heath false brome or opt for a native alternative, the key is selecting plants that will thrive in your specific conditions while supporting your gardening goals.

Heath False Brome

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Brachypodium P. Beauv. - false brome

Species

Brachypodium pinnatum (L.) P. Beauv. - heath false brome

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA