A few can be some of the longest flowering perennials you can grow ... Mealycup sage, also known as blue salvia, is hardy to USDA zones 7-10. 4. Blue Flag Iris Irises are among the best plants ...
Choose the right perennial ... of lavender-blue flowers and delicate silvery foliage that look wonderful as part of your planting design. Catmint is easy to grow in US hardiness zones 3 to 8 ...
These are some of the best new perennial flowers and ornamental grasses hitting the market for your 2025 gardens.