A wild English perennial plant belonging to the large family Labiatæ which mints are also members of.
Square, erect, branched roots up to 90cm, very leafy and covered with down. Heart-shaped, toothed leaves of soft mint green. Summer flowers of white in dense whorls that grow into spikes.
Catnip has an aromatic odour similar to mint and pennyroyal. It forms a pretty border plant.