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
'Lawrence Johnston' is a spreading half-hardy perennial to 45cm tall, with toothed, ovate leaves and flat clusters of bright red flowers 1cm across in summer and early autumn