Cetranthus Ruber (also commonly known as Jupiter's-beard) is a hardy perennial that adds a wonderful splash of vivid color in any garden. The cut flowers also look great in a bouquet.Easy to grow and low-maintenance, it produces an abundance of star-shaped flowers that have an impressively long bloom time. It's a great choice for cottage gardens as it'll grow in the cracks of chalky walls and pavers. It also works well in wildflower areas.Red Valerian has a strong, sweet fragrance, and pollinators can't resist this flower. Plus, with its deep roots, it works well on slopes to help prevent soil erosion.