This grower is sure of this plant identification.
catnip grown in garden, protected from local cats!
Nepeta cataria (Catnip). This is a lovely perennial with downy grey-green foliage with pale lavender or white flowers.
They need a well-drained soil in a sunny position. You can propagate by division or from cuttings taken during the late spring summer months or from seed.
Border, edging, fragrance. Can be found on waste ground.