Nepeta grandiflora

''Nepeta grandiflora'' is a species of flowering plant in the mint family Lamiaceae, native to the Caucasus. Growing to 75 cm tall by 30 cm , it is a clump-forming, erect deciduous herbaceous perennial with aromatic, slightly hairy, grey-green leaves, and spikes of purple/blue flowers in early summer. Species of ''Nepeta'' are called catnip or catmint, with reference to their reported effect on some domestic cats. The plants seem to induce a euphoria in the animals, causing them to roll.. more