The ever popular nepeta 39six hills giant39 is one of the most commonly grown catmints the lilac45blue lavender45like flower spikes rise above the silvery45green foliage from early summer onwards giving a delightful summer display that is ideal for softening borders and path edges as the flower spikes sway in the gentle breeze the catmint is rich in nectar and loved by bees butterflies and other insects alike cats of course adore the aromatic foliage and its pretty flowe