Try 'Lacy Lavender Blue' for classic pale blue flowers. There are also seed mixes with pastel colors like 'Didiscus Lace Mix' which has pale pink, pale blue, and white flowers, or the 'Madonna ...

Newer varieties of Catmint grow in a neat mound, and "lavender, blue, or pink flowers last for weeks from spring to late summer", according to Southern Living. However, even as an easy-to-grow ...