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
Low growing deciduous flowering shrub with a rounded growth habit. Throughout summer, yellow flowers cover the shrub. Its a hardy plant, useful as a groundcover or border. Plant in full sun. Grows 3 tall and wide.
Perennial Sunflower ~ While most gardeners are familiar with the big-blooming annual sunflowers, it's the perennial selections that are the true garden gems. 'Lemon Queen', for example, produces gorgeous creamy-yellow blooms in late summer and early fall.
10 Perennials to start from seed: starting perennial flowers from seed is a great way to fill out your garden without breaking your budget. Here are 10 perennials that are easily grown from seed and some tips for starting each.