Mentha are aromatic, rhizomatous perennials with opposite, toothed leaves and small tubular flowers in spikes of whorls in summer
<p>M. suaveolens is a vigorous rhizomatous herbaceous perennial to 90cm tall, with rounded, softly hairy, apple-scented leaves to 4cm long, and dense spikes of tiny pale purple flowers in late summer and early autumn</p>