Garlic Mustard | Alliaria petiolata

The image features lush green leaves with small white flowers, likely a type of wildflower or edible plant.
Photo Credit: David Cappaert
The image features white flowers with four petals, accompanied by jagged green leaves. They appear to be a wild plant.
Photo Credit: Chris Evans
The image features various green leaves on the soil, showcasing a mix of different leaf shapes and textures in a natural setting.
Photo Credit: Tom Heutte
The image features lush green leaves with small white flowers, likely a type of wildflower or edible plant.
The image features white flowers with four petals, accompanied by jagged green leaves. They appear to be a wild plant.
The image features various green leaves on the soil, showcasing a mix of different leaf shapes and textures in a natural setting.

Plant Details

B-List Noxious Weed in Benton County.

Description Biennial. First-year leaves are basal and kidney-shaped with wavy edges. Flowering stems develop in second-year growth. The leaves are triangular-shaped, coarsely toothed, and alternate up the stem. Small white flowers with 4 petals in a cross formation.
Habitat Notes Forest understories, roadsides, residential yards, and river floodplains.
Mature Height 2-3.5 ft
 Phenology Biennial. Flowering April-May. Seed pods develop in the fall August-September.
A notice about garlic mustard detection in Benton County, urging reporting sightings at oregoninvasivehotline.org or 1-866-INVADER.