Growing to 10 cm (3.9 in) tall and 50 cm (20 in) broad, this prostrate perennial has dark green, heart-shaped leaves and produces multiple violet coloured flowers in May and June.

Is Viola Riviniana edible?

Common Dog-violet, Viola riviniana, flowers. ... The leaves and flowers are edible. The leaves are fairly bland, having a pleasant flavour with only a little bitterness, if any, making it a wild food worth picking up as you forage.

Is dog violet invasive?

This is a variant of the European native Common Dog Violet which is grown as a garden plant, but can become invasive as it self-seeds prolificly and the clumps can spread by short runners. The heart-shaped leaves have a purple tinge, but are greener if growing in deep shade.