North America Native Plant

Pacific Brome

Botanical name: Bromus pacificus

USDA symbol: BRPA3

Life cycle: perennial

Habit: grass

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Bromopsis pacifica (Shear) Holub (BRPA9)   

Pacific Brome: A Graceful Native Grass for Pacific Northwest Gardens If you’re looking to add some authentic Pacific Northwest charm to your garden, Pacific brome (Bromus pacificus) might just be the perfect native grass you’ve been searching for. This elegant perennial brings both beauty and ecological value to landscapes from ...

Pacific Brome: A Graceful Native Grass for Pacific Northwest Gardens

If you’re looking to add some authentic Pacific Northwest charm to your garden, Pacific brome (Bromus pacificus) might just be the perfect native grass you’ve been searching for. This elegant perennial brings both beauty and ecological value to landscapes from Alaska down to Oregon, making it a fantastic choice for gardeners who want to work with nature rather than against it.

What Makes Pacific Brome Special?

Pacific brome is a true native of the Pacific coast, naturally occurring from Alaska through British Columbia and down to Oregon and Washington. As a perennial grass, it comes back year after year, establishing itself as a reliable backbone in your garden design. You might also see it listed under its scientific synonym, Bromopsis pacifica, in some older gardening references.

Where Pacific Brome Calls Home

This hardy grass has made itself at home across the Pacific Northwest’s diverse landscapes. You’ll find it thriving in British Columbia, Alaska, Oregon, and Washington, where it has adapted to the region’s unique coastal climate conditions.

Why Gardeners Love (and Should Consider) Pacific Brome

Pacific brome brings several compelling qualities to the garden table:

  • Authentic regional character: Nothing beats the real deal when it comes to capturing that true Pacific Northwest aesthetic
  • Low maintenance: Once established, this native grass requires minimal fussing
  • Ecological benefits: Supports local wildlife and fits seamlessly into the natural food web
  • Graceful movement: Adds texture and gentle motion to landscape designs
  • Perennial reliability: Returns each year without replanting

Design Ideas and Garden Roles

Pacific brome shines in several garden settings. It’s particularly well-suited for:

  • Native plant gardens: A perfect addition to authentic Pacific Northwest plant communities
  • Coastal gardens: Naturally adapted to maritime conditions
  • Naturalized landscapes: Ideal for creating that wild look that feels intentional
  • Wildlife habitat gardens: Provides structure and habitat for beneficial creatures
  • Restoration projects: Excellent choice for restoring degraded native areas

Growing Pacific Brome Successfully

The good news? Pacific brome is refreshingly straightforward to grow, especially if you’re gardening within its natural range.

Climate and Hardiness

This resilient grass thrives in USDA hardiness zones 5-9, making it suitable for most Pacific Northwest gardens and beyond.

Light and Soil Preferences

Pacific brome adapts well to various light conditions, from partial shade to full sun. It prefers moist to moderately dry soils and has evolved to handle the Pacific Northwest’s distinctive wet winters and drier summers.

Planting Tips

Starting Pacific brome from seed is typically the most practical approach. Plant seeds in fall or early spring, allowing natural winter stratification to improve germination rates. Once established, this grass may self-seed, creating natural-looking colonies over time.

Ongoing Care

One of Pacific brome’s best qualities is its low-maintenance nature. After establishment, it generally requires minimal intervention. In garden settings, you might choose to cut it back in late winter or early spring before new growth emerges, though this isn’t strictly necessary.

The Wildlife Connection

While Pacific brome is wind-pollinated rather than insect-pollinated, it still contributes significantly to garden ecology. The grass structure provides habitat and cover for various wildlife species, and its seeds can support birds and small mammals.

Is Pacific Brome Right for Your Garden?

Pacific brome makes an excellent choice if you’re gardening in the Pacific Northwest and want to incorporate authentic native plants into your landscape. It’s particularly valuable for gardeners interested in ecological gardening, low-maintenance landscapes, or restoring natural plant communities.

Consider Pacific brome if you appreciate the subtle beauty of native grasses and want to support local ecosystems while creating an attractive, regionally appropriate garden. Its perennial nature means you’re making a long-term investment in both your landscape’s beauty and its ecological value.

Just remember that like many native grasses, Pacific brome may not provide the manicured look of traditional lawn grasses – and that’s exactly what makes it special. It brings an authentic, natural character that connects your garden to the broader Pacific Northwest landscape.

Pacific 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

Bromus L. - brome

Species

Bromus pacificus Shear - Pacific brome

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