Full Sun Perennials That Survive Heat and Dry Soil
Species that university extension services name for six or more hours of direct sun, with height, bloom season and drought tolerance, plus why drainage matters more than rich soil in a sunny bed.
Are Mums Perennials? Why Yours Died and How to Fix It
Garden mums are perennials rated for USDA zones 5a to 9b, yet most fall-bought plants die by spring. Extension sources explain the real cause: planting season, shallow roots and frost heave, not hardiness.