Verbena can be annuals, perennials or sub-shrubs, with toothed or pinnately lobed leaves and small salver-shaped flowers in spikes, panicles or corymbs in summer or autumn
Verbena (G) are species which are separated in the genus Glandularia by some botanists
'Silver Anne' is a vigorous spreading half-hardy perennial to 30cm, with oblong, strongly toothed leaves and flat heads of fragrant pink flowers that fade to white