WHERE’S WILDLIFE • WILDFLOWER FIELD GUIDE

Common Mullein

Verbascum thapsus

Pronounced (approximate): ver-BAS-kum THAP-sus

Yellow flowers open along a dense upright spike. Large gray-green leaves are thickly woolly.

Common Mullein (Verbascum thapsus): flower details. Tap the photo to open the gallery.

NON-NATIVE • NORTH AMERICA

At a glance

Family Scrophulariaceae
Life cycle Biennial
Blooms June–September
Height 2 to 6 feet
Habitat part shade, sun; fields, along roads, waste areas

Common names: Common Mullein

Bloom timing varies with latitude, weather and local conditions.

Sightings map

Explore reported observations. Sightings are not a complete range map.

How to recognize it

Key identification clues

  • Yellow flowers open along a dense upright spike.
  • Large gray-green leaves are thickly woolly.
  • A first-year rosette precedes the tall flowering stem.

Where and when to look

part shade, sun; fields, along roads, waste areas. Flowering season: June–September.

Compare similar plants

Moth Mullein has spaced, stalked flowers and lacks the thick wool covering Common Mullein.

A closer look

Flower details

Yellow flowers open along a dense upright spike.

Leaves & stems

Large gray-green leaves are thickly woolly.

Whole plant & habitat

A first-year rosette precedes the tall flowering stem. Pair close views with a photograph of the whole plant.

Field photographs

12 field photographs. Select a photograph to enlarge it; use Load more photos to see the rest.

Range & sightings

Introduced in North America; native to Europe.

Reported U.S. distribution
AK, AL, AR, AZ, CA, CO, CT, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV

Includes native and introduced state records where listed; a state record does not imply occurrence in every county.

Observation maps show submitted records, not every place the plant occurs. Follow local access rules when visiting a site.

Keep learning

Practice recognizing Common Mullein in the flower quiz, or compare it with other plants in the guide.

Sources & further reading

Field photographs: Where’s Wildlife.

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