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Bog Muhly

Muhlenbergia uniflora

Last reviewed: August 2026

Bog Muhly (Muhlenbergia uniflora)
Photo: Carl Bernhard von Trinius / Wikimedia Commons (Public domain)

Toxicity unknown

Bog Muhly (Muhlenbergia uniflora) 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 Bog Muhly as toxic to livestock.

Light

part sun

Water

high

Size

6"–12" H × 3"–6" W

Bloom

Jul, Aug, Sep

Native to

CT, MA, MD, ME 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

Bog muhly is a delicate native grass that forms small, neat clumps in moist to wet areas. It produces fine-textured foliage and small flower spikes in summer, making it ideal for rain gardens and naturally wet spots in the landscape.

In an HOA neighborhood

Bog Muhly 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

This grass provides habitat and nesting material for small birds and insects. Its seeds offer food for songbirds in late summer and fall.

Common questions

How much sun does Bog Muhly need?
Bog Muhly grows best in part sun conditions.
When does Bog Muhly bloom?
Bog Muhly blooms in July, August, and September.
Where is Bog Muhly native?
Bog Muhly (Muhlenbergia uniflora) is native to CT, MA, MD, ME and 10 more states, per the World Checklist of Vascular Plants (Kew).
Is Bog Muhly toxic to livestock?
The USDA PLANTS Database does not flag Bog Muhly as toxic to livestock.
Is Bog Muhly HOA-friendly?
Bog Muhly 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 Bog Muhly? 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