Nepeta cataria A special treat for your favorite cat. Shrub-like plants of fragrant, green foliage topped with small, lavender or white flowers are fast growing and produce plenty of leaves, stems and flowers for kitty to enjoy. Reseeds freely so it comes back year after year. 150 mg Light Full sun Harvest time All season Plant spacing 18-24 inches Planting depth 1/4 inch Days to germination 7-10 Plant height 3 feet Gardener's Notes: Start seed indoors in pots 4-6 weeks before transplanting outdoors after the last spring frost or sow directly in the garden when night temperatures stay above 50 degrees Fahrenheit. Protect young plants from cats. Grows in average soil. Often self-seeds for additional plants. Harvest leaves as needed. Pick remaining leaves and flower before frost and dry indoors. Keep in a jar or plastic bags.