Salvia can be annuals, biennials, herbaceous or evergreen perennials, or shrubs. They have paired, simple or pinnately lobed, often aromatic leaves and 2-lipped flowers in whorls, forming simple or branched spikes or racemes
'Blauhügel' is an herbaceous perennial forming a clump of mid-green foliage, with erect stems bearing dense terminal spike-like racemes of small, deep violet-blue flowers in early summer