The Best Perennials for Cutting ~ Peony Often sweetly fragrant, peony is a very long-lived plant that forms 2- to 4-foot-tall clumps in shrublike bunches. Its numerous varieties offer a wide range of colors, and blooming periods from late spring to early summer.
Also called false indigo for the rich blue shade of its flowers, this hardy perennial fills the spring garden with elegant spires of pealike blooms. It withstands drought -- and deer, rabbits, and other critters leave it alone. The bluish-green foliage looks great all summer long, and the charcoal-black seedpods create fun contrast in fall. Name: Baptisia australis Zones: 3-8
Genus: Campanula persicifolia Zones: 3-7 Bloom time: June; then six weeks later. To prune: Snip spent flowers promptly, without removing developing buds. Good to know: In hot regions, this one fares best in partial shade.
Asters: Create bouquets in fall with lovely asters. These perennials bear lovely daisy-shaped flowers in shades of pink, purple, blue, and white. Smaller selections make great filler flowers. Learn more about growing asters.