Evergreen azaleas rarely have leaves that are longer than 2 inches. Evergreen azaleas typically keep most of their foliage year round, but deciduous plants lose all of their leaves in the fall, with new growth forming in the spring.Click to see full answer. Considering this, are Encore azaleas Evergreen?All Encore Azaleas are evergreens, so they’ll keep their foliage year round.Likewise, do azalea bushes lose their leaves? Azaleas are either evergreen or deciduous. Deciduous azaleas drop all of their leaves in the fall. In dry weather,they may drop their leaves earlier than usual. Their leaves then grow back in the spring.In warmer climates or unusually warm winters, deciduous azaleas may retain some of their leaves through the winter. Beside above, how do you care for evergreen azaleas? Evergreen azaleas do well in partial shade with some wind protection. Deciduous varieties flower more profusely in full sun. Provide well-drained, humus-rich soil that is slightly acidic (pH 4.5–6). Mulch well.How fast do evergreen azaleas grow?Evergreen azaleas, sometimes called Japanese azaleas, are smaller and slower growing, reaching up to 3ft ( up to 90cm) after ten years. Evergreen azaleas are suitable for container growing, due to their size, or smaller gardens.