American Bugleweed
Lycopus americanus
Last reviewed: August 2026
American bugleweed is a wetland forb that produces small white flowers from July through September and grows best in consistently wet to moist soil in marshes, wet meadows, and along stream banks.

Toxicity unknown
American Bugleweed (Lycopus americanus) 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 American Bugleweed as toxic to livestock.
Light
part shade
Water
high
Size
12"–36" H × 8"–24" W
Bloom
Jul, Aug, Sep
Native to
AL, AR, AZ, CA and 44 more states
Pollinators
bees, wasps, flies
Before you buy
Your city may pay you to plant this
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American bugleweed is a native mint family plant that thrives in consistently moist, partially shaded areas. It produces small white flowers in summer and spreads gradually to form colonies in wet soils. This plant is well-suited for rain gardens, pond edges, and other areas with reliable moisture.
Growing American Bugleweed
Grow American Bugleweed in part shade and high water. Mature plants reach 12 to 36 inches tall and spread 8 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
American Bugleweed takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Spreads aggressively and can look weedy
- Small inconspicuous flowers lack ornamental appeal
- May appear unkempt in formal landscapes
Wildlife value
The summer blooms attract various pollinators including native bees, wasps, and flies. Seeds may provide food for some birds, and the plant can serve as habitat for beneficial insects.
Common questions
- When does American bugleweed bloom?
- American bugleweed generally blooms from July through September, with small white flowers clustered in the leaf axils along the stem.
- What growing conditions suit American bugleweed best?
- This forb does well in part shade to full sun and needs consistently wet to moist soil, reflecting the marshes, ditches, and streambanks where it commonly grows.
- What pollinators visit American bugleweed flowers?
- Bees, wasps, and flies are the main visitors to its small tubular flowers, which offer accessible nectar during the summer bloom period.
- Is American Bugleweed toxic to livestock?
- The USDA PLANTS Database does not flag American Bugleweed as toxic to livestock.
- Is American Bugleweed HOA-friendly?
- American Bugleweed takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow American Bugleweed? 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
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