Perennial Flowers for Zone 7

Yellow Perennials

• Gold Plate and Moonshine are yellow flowering types of yarrow, a perennial suitable for dry areas. They come in many sizes. The former grows to 5 feet, making it one of the tallest of all yarrow cultivars. Tickseed, wormwood, columbine and coneflowers have multiple yellow hybrid forms. Daylilies and sunflowers turn out yellow flowers. Those growing in USDA Plant Hardiness Zone 7 include the Maximilian sunflower and the tetraploid daylily. Black-eyed Susans, cinquefoils and primrose species also flower yellow within this zone.

Blue Perennials

• Blue flowers within zone 7 include species such as monkshood, asters, clematis and bugleweed that offer blue hybrids. Zone 7 is the warmest area that Northern larkspur grows. This native of eastern parts of the continent grows to 6 feet in full sun. Like many perennials, Northern larkspur works in masses or borders. The great blue Cardinal flower is a lobelia, fitting for wet areas. Balloon flower, pincushion flower and Jacob's ladder all come in blue varieties.

Orange Perennials

• Daylily hybrids, such as Cinnamon Pleasure, Double Doodah and Hollywood, all turn out an orange flower and are compatible with zone 7. The zone easily supports butterfly weed, a native plant of the East with brilliant orange blooms. Growing to 3 feet in full sun, this perennial withstands drought and attracts butterflies from June into August. Individual cultivars of species such as Indian paintbrush, blanket flower, tickseed, carnation and coneflower also yield orange flowers for zone 7 gardeners.

Pink Perennials

• Pink perennials for zone 7 include hybrids of astilbe such as Federsee and Darwin's Dream. Carnations, bleeding hearts and foxglove all deliver pink blooms. Despite their names, purple coneflowers have pink hybrids including one called Ruby Giant. This perennial handles drought and heat, two potential conditions it could encounter in zone 7. Phlox, stonecrop, coral bells and peonies all have a wide selection of pink hybrids to opt for in zone 7.