Nepeta Plants - Blue Moon Extremely striking! The Nepeta Plants - Blue Moon, often known as catmint, is an extremely striking perennial that produces large, dense flowers to fill your flower beds and flower borders. The plant produces spicates of the pale blue flower thereby creating dramatic height in your flower displays. This wonderfully fragrant plant will create magnificent displays when potted up into ornamental flower pots and containers. You won’t be the only one that loves the beautiful Nepeta Plants - Blue Moon. Bees, butterflies and other pollinators absolutely love these fragrant flowers too! These heat tolerant plants really are stunning and bloom from June- September. The Nepeta Plants - Blue Moon grows to a height of 45cm (18”).