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Seashore Bentgrass

Agrostis pallens

Last reviewed: August 2026

Agrostis pallens is a low, spreading perennial grass suited to full sun and dry, sandy or gravelly soils along the Pacific coast and inland dry grasslands. It blooms May through July and draws bees and beetles.

Seashore Bentgrass (Agrostis pallens)
Photo: Robert Steers/NPS / Wikimedia Commons (CC0)

Toxicity unknown

Seashore Bentgrass (Agrostis pallens) 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.

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, MT, NV and 2 more states

Pollinators

bees, beetles

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.

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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

How much water does Agrostis pallens need?
Agrostis pallens tolerates low water once established and does well in dry, well drained soil with only occasional supplemental irrigation.
When does Agrostis pallens bloom?
Agrostis pallens blooms from May through July, sending up slender flowering stems above its low mat of foliage.
What pollinators are associated with Agrostis pallens?
Bees and beetles are commonly observed visiting Agrostis pallens, even though grasses like this one rely mainly on wind for pollination.
What light conditions suit Agrostis pallens best?
Agrostis pallens performs best in full sun, though it can hold up under partial sun in milder coastal climates.
What kind of habitat does Agrostis pallens grow in?
Agrostis pallens is typically found in dry meadows, coastal bluffs, and open grasslands with sandy or gravelly, well drained soil.
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.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. 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.

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