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Northern Bent

Agrostis mertensii

Last reviewed: August 2026

Northern Bent (Agrostis mertensii)
Photo: Robert H. Mohlenbrock. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester, PA. / Wikimedia Commons (Public domain)

Toxicity unknown

Northern Bent (Agrostis mertensii) 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.

Light

full sun

Water

medium

Size

8"–24" H × 4"–12" W

Bloom

Jun, Jul, Aug

Native to

CO, ME, MT, NC and 10 more states

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.

Find rebates in your area

Browse plants for this ecoregion

Northern bent is a fine-textured native grass that forms compact clumps with delicate, airy flower heads in summer. This cool-season perennial stays relatively low and maintains a tidy appearance throughout the growing season.

In an HOA neighborhood

Northern Bent is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

The flowers and seeds provide food for small birds and native insects, though it's not a major pollinator plant.

Common questions

How much sun does Northern Bent need?
Northern Bent grows best in full sun conditions.
When does Northern Bent bloom?
Northern Bent blooms in June, July, and August.
Where is Northern Bent native?
Northern Bent (Agrostis mertensii) is native to CO, ME, MT, NC and 10 more states, per the World Checklist of Vascular Plants (Kew).
Is Northern Bent HOA-friendly?
Northern Bent is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the World Checklist of Vascular Plants (Kew). 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.

See all plant problem guides

Ready to grow Northern Bent? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz