Perennial plant in zones 3-9
Plants grow to 2-3 feet when mature
Established plants are drought tolerant
(Nepeta cataria) Native to Europe and Asia, catnip has been grown in North America since the colonial era. Known for its euphoric effect on cats, this herb also makes a tasty tea for humans. Its bushy plants spread to 2-3′ when mature. Catnip is very drought-tolerant once plants are established. Perennial in zones 3-9.