Catmint Plant: Care, Varieties & Buying Guide The catmint plant (Nepeta) is a hardy, easy-care perennial known for its silvery-green foliage, long-blooming lavender-blue flowers, and popularity as a low-maintenance border and pollinator plant. This guide covers how to plant and care for catmint, its most popular variety, Walker’s Low, how it compares to true catnip, […]