Commonly called Basket of Gold, perennial alyssum makes a wonderful wall or rock garden plant. Every spring it develops masses of cheerful yellow flowers that look terrific tucked between rocks and boulders. - Flower Beds and Gardens
The Best Perennials for Your Yard: 'Magnus' Purple Cone flower - a must have for the garden, cone flower is a drought tolerant native prairie plant that attracts butterflies and other beneficial insects. I just love the look of this flower.
Top 20 Perennials for Your Garden Sedum The fleshy leaves and bright flowers make sedum a popular perennial. It is practically foolproof, and offers spectacular color during the latter part of the growing season when most other flowers are fading.