Side view of a Herb Robert flower, with seed capsules forming on the left.
Herb Robert flowers are usually blue, but are also sometimes white.
Typical growth habit of Herb Robert.
A dense clump of Herb Robert in bloom, in May.
Herb Robert is a vigorous colonizer in forests and can spread rapidly, leading some gardeners to dislike this plant. However, it is a fragile plant, and so easily removed where not wanted.
The leaves have a somewhat spicy fragrance when rubbed.
Herb Robert is sometimes mistaken for a fern.
Herb Robert often grows a little bit up above the ground surface on a short stalk, ashown here.