Nepeta 39six hills giant39 forms mounds of silver45green foliage and lilac45blue flower spikes from early summer these nectar45rich blooms attract bees and pollinating insects and cats adore the aromatic foliage one of the most widely45grown catmints 39six hills giant39 is a tall variety wonderful planted in generous swathes and allowed to spill from borders and soften path edges a cottage garden favourite it also makes a lovely cut flower height 90cm 40353