Flowers: Lavender, trumpet-shaped flowers on an interrupted raceme, appear in spring and early summer. Can bloom a second time if the plant is cut back one-half its height after the first flowering period.
Other facts of interest: Plants are loved by cats which will rub itself against the foliage or eat portions of the plant. Catnip reportedly repels rats.
Propagation: Seed. Cultivars must be propagated by division.
Related species: Several Nepeta species and numerous cultivars are available.