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Properly deadhead this native perennial and enjoy pyrotechnic blooms all summer. The fireworklike flowers draw the eye through the garden and lure butterflies and hummingbirds.
Size: 1-4 feet tall; up to 2 feet tall
This sun-loving, old-fashioned annual produces a profusion of 4- to 5-inch feathery plumes from summer into fall. Start seeds indoors five weeks before last frost.
Size: 1-4 feet tall; 6-18 inches wide
This robust, rapidly growing, sun-loving perennial produces blue, pink, or violet blooms on erect gray-green stems from midsummer to fall.
Size: 12-15 inches tall; 12 inches wide
Deer-resistant, summer-blooming bulbs show off purple globelike blossoms. Look for late-blooming varieties such as Allium 'Millennium' (shown) and Allium tuberosum.
Size: 18-36 inches tall; 12-18 inches wide.
Spider flower or cleome stands stately with eye-catching, loose ball-shape clusters of flowers that bloom from summer to fall.
Size: 2-6 feet tall; 1 to 2 feet wide
The graceful flattop flower clusters of a reblooming, lacecap hydrangea yield well in sun- to part-shade-loving gardens showcasing their white, pink, or blue flowers all through summer.
Size: 3-5 feet tall and wide
This clump-forming perennial produces airy stems of yellow daisylike blooms spring through summer. With a moderate growth rate, it shines in a sunny border.
Size: 1-3 feet tall and wide
Large dark-center blue, violet, or white blooms rise on sturdy stems with heart-shape leaves. A hardy perennial, these plants bloom from summer until fall in sunny sites with well-draining soil.
Size: 18-24 inches tall
This quick-growing, shrublike annual produces exotic summer blossoms in pink, white, or rose-color and will reseed in the right conditions. Rose mallow prefers sun to part sun in average soil.
Size: 3-5 feet tall; 2-3 feet wide
The more you cut, the more it blooms! Plant this annual in the sun for continual blooms form summer till fall.
Size: 24-30 inches tall; 12-18 inches wide.