The mural appeared to run behind the windows of the building.

The grass sprouted from the sidewalk next to a stop sign.

A mural of grass growing up the front and side of a building at Sansome Street and Union Street in San Francisco. This photograph was taken from the corner across the street from the mural. This mural was part of her "weed" series.

A flowering seed pod rose from the center of the plant and appeared high on a column of the building.

A close up view of the seed pod high up on a column of the building.

The signature of "Mona Caron" appeared low on the building, just under the leaves of the mural.

A leaf curled along the side of the building, just touching the sidewalk.

A closer view of the paint on the side of the building. This illustrates the precise edges used by the artist to create the plant leaves.

A lone leaf graced the front of the building high between the first and second floors.

A higher leaf curved just below the third floor windows at the front of the building.