Verbena officinalis, the common vervain or common verbena, is a perennial herb native to Europe. It grows up to a metre/yard high, with an upright habitus. The lobed leaves are toothed, the delicate spikes hold mauve flowers.
Flower of European origin in the color night blue - violet. Most often used as an ornamental flower because of its subtle sweet fragrance. Requires special maintenance due to its half-shade bloom.