Catmint/Catnip. Bushy perennial forming mounds of greyish-green leaves from which loose spikes of tubular, soft lavnder-blue flowers appear over many weeks. Good for groundcover and underplanting of shrubs. Cut back after flowering to encourage neat healthy growth and fresh flowers for the rest of the season. Prefers sun or partial shade and well-drained soil. Ht 40cm (16") Planting distance 45cm (18")