Encore azaleas are hybrids of autumn and spring-flowering azaleas. These evergreen shrubs in the spring, summer and fall bloom, and come in over 25 varieties of which. Some bloom for four to six months at a time Encores are hardy in U.S. Department of Agriculture plant climate zones 7 to 9 and grow up to 5 feet tall with a similar spread. They prefer full morning sun, afternoon shade and well-drained, moist, slightly acidic soil. Encores replace with shrubs that have similar cultural requirements.
Native plants have built resistance to local pests and diseases. The Carolina rhododendron (Rhododendron carolinianum) comes from the southeastern U.S. This evergreen grows from 3 to 6 feet with a similar spread and is hardy in U.S. Department of Agriculture zones 5 to 8. It blooms with white, pink and purple flowers in the spring and has fragrant, dark green foliage. This slow-growing shrub preferred shade and well-drained, moist soil. The sweet bells Leucothoe (Leucothoe racemosa) comes from the eastern United States from Massachusetts to Louisiana. A shrub she thrives in partial shade and moist, acidic soil. It blooms in early summer with clusters of white, bell-shaped flowers. Sweet Bells Leucothoe Shrubs are robust in USDA zones 5 to 9.
Evergreens keep their leaves all year. The Kurume azalea (Rhododendron x obtusum) is hardy in U.S. Department of Agriculture zones 6 to 9 and preferably partial shade and moist, enriched, slightly acidic soil. These evergreens grow 2 to 5 feet high with an equal spread and have shiny dark leaves. They bloom in early to mid spring, with red, white, purple and pink flowers. The banana shrub (Michelia figo) is hardy in USDA zones 7 to 9 and grows from 6 to 10 meters with a similar spread. It grows in sun or partial shade and enriched, well-drained, acidic soil. Banana shrubs produce yellow, fragrant, cup-shaped flowers in the spring and have glossy, dark green leaves.
Native plants are naturally adapted to the climatic and cultural conditions within their indigenous regions. The Alabama snow wreath (Neviusia alabamensis) grows from 3 to 6 feet with a similar spread. It is hardy in U.S. Department of Agriculture zones 5 to 8 and preferably sun to partial shade and moist, well-drained soil. This shrub is from the southeastern U.S. It blooms with curved spikes of white flowers in mid-spring. The oak leaf hydrangea (Hydrangea quercifolia) grows from 4 to 8 meters with a similar spread and is hardy in USDA zones 5 to 9. This shrub with aromatic flowers, 12-inch panicles of white-to-pink flowers in summer. It prefers sun to partial shade and moist, well-drained soil, although it tolerates moist locations and drought.
Deciduous trees lose their leaves in winter, but many compensate with attractive flowers, fruits or colorful autumn leaves. The bigleaf hydrangea (Hydrangea macrophylla) grows to 6 feet with a similar spread and is hardy in U.S. Department of Agriculture zones 6 to 9. It prefers sun to partial shade and acidic, moist, well-drained and enriched soil. These Japanese natives bloom with large clusters of blue, pink, white and purple flowers in spring. Southern Indica hybrid azalea (Rhododendron indicum) are hardy in USDA zones 7 to 9. This hybrid shrubs grow in a number of varieties that bloom with white, red, orange, purple and pink flowers in spring. They have dark foliage and grow up from 6 to 12 meters with a narrower spread. These azaleas prefer partial shade and acidic, enriched, moist soil.