This grower is sure of this plant identification.
Rockery or front of border plant. 7cm pot
Woundwort, Hedge-nettle, Betony
Stachys genus (Woundwort). This genus has about 300 species of annuals, perennials and evergreen shrubs. They will produce tubular 2-lipped purple-red, pink, yellow or white flowers.
They are fully hardy to frost tender, min 5C. They prefer well-drained, moderately fertile soil in full sun soil and are particularly tolerant of poor soil.
Ground cover, attracts bees. Suitable for coastal conditions.