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Common Horehound

Marrubium vulgare

In the Carolinas and Georgia, found in fencerows, disturbed places, formerly widely planted and escaped, now declining in abundance. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

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Not native

Not native to Arkansas. How scores work Is it native here?

Profile 82%

Height
1–2 feet
Spread
1–2 feet
Light
Full sun, Partial shade
Soil moisture
Dry to average
See native alternatives

Plant this instead

Choose your county to list local plants first.

  • Black Huckleberry
    Gaylussacia baccata

    Sun: Full sun, Partial shade. Soil: Somewhat dry to moist. Flowers: Pink or red.

    Similar growth form, height, evergreen or deciduous

  • Spotted Beebalm
    Monarda punctata

    Sun: Full sun, Partial shade. Soil: Dry to average. Flowers: Yellow.

    Similar growth form, height, evergreen or deciduous

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At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
June to August

Recorded in 10 Arkansas counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

—CaterpillarsGenus host records with ranges including AR
—BeesSoutheastern regional records
—Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Growing and identification

Plant details

Family
Lamiaceae
Hardiness
Zones 3a–9b
Soil pH
Acidic to neutral
Flower color
White

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

White Horehound

Conservation status

Arkansas rankSNA
Global rankGNR
AR statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Sources