Seashore Bentgrass
Agrostis pallens
Last reviewed: July 2026
Agrostis pallens (Seashore Bentgrass) is a native perennial grass found along the Pacific Coast and select inland states. This drought-tolerant species blooms from May through July and thrives in full sun coastal conditions.
The USDA PLANTS Database (opens in new tab) does not flag Seashore Bentgrass as toxic to livestock.
Light
full sun
Water
low
Size
12"–24" H × 6"–12" W
Bloom
May, Jun, Jul
Native to
CA, ID, MA, MT and 3 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
Seashore bentgrass is a fine-textured native grass that forms compact clumps with delicate seed heads in late spring and summer. This coastal native stays green year-round and tolerates drought well once established. It works well as a groundcover or accent grass in sunny, well-drained locations.
Growing Seashore Bentgrass
Grow Seashore Bentgrass in full sun and low water. Mature plants reach 12 to 24 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Seashore Bentgrass is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: foundation, mid zone.
- Seed heads may appear informal to some HOAs
- Small clumping growth may look sparse initially
Wildlife value
The flowers provide pollen for native bees and beetles during its May through July bloom period. As a native grass, it also offers habitat and nesting material for beneficial insects.
Common questions
- Where does Seashore Bentgrass naturally grow?
- Agrostis pallens is native to California, Idaho, Massachusetts, Montana, Nevada, Oregon, and Washington, typically found in coastal areas and sandy soils.
- When does Agrostis pallens bloom?
- Seashore Bentgrass produces flowers from May through July, with peak blooming typically occurring in early to mid-summer.
- What pollinators visit Seashore Bentgrass?
- Agrostis pallens attracts bees and beetles during its flowering period, providing nectar and pollen resources for these beneficial insects.
- How much water does Seashore Bentgrass need?
- This grass species is adapted to low water conditions and is naturally drought-tolerant, making it suitable for water-wise landscaping in appropriate climates.
- Is Seashore Bentgrass toxic to livestock?
- The USDA PLANTS Database does not flag Seashore Bentgrass as toxic to livestock.
- Is Seashore Bentgrass HOA-friendly?
- Seashore Bentgrass is generally an HOA-friendly choice in the right placement, with low maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Seashore Bentgrass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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