Forsythia (Forsythia x intermedia)
This vase-shaped shrub produces vivid yellow flowers in early spring and thrives in full sun to partial shade. It is hardy in USDA Zones 5-8 and grows to a height and width of 2-10 feet.
Flowering Quince (Chaenomeles speciosa)
Available in white, orange, red, and pink varieties, flowering quince blooms in early spring and prefers full sun to partial shade. It is hardy in USDA Zones 5-9 and grows to a height and width of 3-10 feet.
Mock Orange (Philadelphus coronarius)
Known for its citrus-like fragrance, mock orange produces white flowers in late spring to early summer. It prefers full sun to partial shade and is hardy in USDA Zones 4-8, growing to a height and width of 10-12 feet.
Weigela (Weigela florida)
With pink flowers blooming from April to June, weigela is a popular choice for borders and foundation plantings. It prefers full sun and is hardy in USDA Zones 4-8, reaching a height of 6-10 feet and a width of 9-12 feet.
Doublefile Viburnum (Viburnum plicatum f. tomentosum 'Mariesii')
This shrub features flat-topped flower clusters in two rows and blooms in spring. It prefers full sun to partial shade and is hardy in USDA Zones 5-8, growing to a height of 8-16 feet and a width of 12-15 feet.
Common Lilac (Syringa vulgaris)
Known for its fragrant blooms in early to mid-spring, common lilac comes in white, purple, burgundy, and reddish-purple varieties. It prefers full sun and is hardy in USDA Zones 3-7, reaching a height of 12-16 feet and a width of 8-12 feet.
Candy Oh Rose (Rosa x 'ZLEMatinCipar')
This landscape rose blooms in late spring and continues into fall with pinkish-red flowers. It prefers full sun and moist, well-drained soil, growing to a height and width of 3-4 feet.
Blue Chip Butterfly Bush (Buddleia x 'Blue Chip')
This sterile cultivar blooms continuously from June to September with blue or purple flowers. It prefers full sun and well-drained soil, reaching a height and width of 24-36 inches.
Hardy Hibiscus (Hibiscus moscheutos)
Blooming in late summer, hardy hibiscus produces large flowers in white, red, pink, and blue varieties. It prefers full sun and moist, loamy soil, growing to a height of 3-7 feet and a width of 2-4 feet.
Rose of Sharon (Hibiscus syriacus)
This shrub blooms from early summer to mid-fall with flowers in various colors, including pink, purple, lavender, and white. It prefers full sun to partial shade and well-drained soil, reaching a height of 8-12 feet and a width of 6-10 feet.
Blue Beard (Caryopteris)
Also known as blue mist or blue spirea, blue beard blooms from midsummer to early fall with true blue flowers. It prefers full sun and well-drained soil, growing to a height and width of about 2-4 feet.