Not just for cats. Like so many herbs, it also has uses in food and medicine, whether used fresh or dried. Catnip will repel all varieties of mosquitoes. – an essential oil found in catnip, is actually more effective at repelling these pests than Deet (the chemical used in most commercial insect repellents)
Herbs are easily grown indoors or outdoors. Repeat seeding during the year is useful to ensure a constant supply. Most herbs prefer a sunny and not to wet location. Try to locate plants where they will get 5 hours of direct sunlight each day. Herbs usually grow well in almost any soil but tend to thrive in light sandy soil that has been enriched with peat-moss or leaf-mold and a moderate amount of fertilizer. Cover seed slightly with soil. Keep soil moist until all seeds sprout. Seed germinates best at 18-23 C (68 – 75 F) usually in 7-14 days. Garden spacing 1 m (3 ft) apart.