This grower is fairly sure of this plant identification.
Grown from cuttings. Still fairly small but growing well. Fresh cuttings available and easy to propagate.
Mentha citrata (Mint). An aromatic rhizomatous perennial which can be found in shallow water or grown in moist soil. Produces whorls of white flowers in a cluster on a thin stem.
They are very frost hardy, and need sunshine and rich soil with lots of moisture. You can propagate from seed or by root division in spring or autumn.
Grown for their aromatic foliage, which is both decorative and used as a culinary herb.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record