Pronounced (approximate): jer-AY-nee-um roh-ber-tee-AY-num
Small pink flowers have five rounded petals. Deeply divided leaves give the plant a delicate outline.
Herb Robert (Geranium robertianum): flower details. Tap the photo to open the gallery.
Family Geraniaceae
Life cycle Annual or biennial
Blooms Spring through fall
Height 4 to 20 inches
Habitat rocky woods, shaded slopes and forest margins
Common names: Herb Robert
Bloom timing varies with latitude, weather and local conditions.
Explore reported observations. Sightings are not a complete range map.
rocky woods, shaded slopes and forest margins. Flowering season: Spring through fall.
Wild Geranium has larger flowers and broader palmately lobed leaves. Herb Robert has much more finely divided foliage.
Small pink flowers have five rounded petals.
Deeply divided leaves give the plant a delicate outline.
Slender hairy stems often show reddish coloration. Pair close views with a photograph of the whole plant.
4 field photographs. Select a photograph to enlarge it; use Load more photos to see the rest.
Native in eastern North America; introduced in parts of western North America. Regional status varies.
Reported U.S. distribution
AK, AL, AR, CA, CT, DE, IL, IN, KY, MA, MD, ME, MI, MN, MO, MT, NH, NJ, NY, OH, OR, PA, TN, 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.
Practice recognizing Herb Robert in the flower quiz, or compare it with other plants in the guide.
Field photographs: Where’s Wildlife.