Producing a dazzling display of colour from early spring through summer and even into autumn, Rhododendrons and Azaleas are wonderfully rewarding shrubs. Both plants hail from the genus Rhododendron of the Ericaceae family. There are thousands of different varieties to choose from, meaning you can find one to suit every size and style of garden. Rhododendron and Azalea are exceptionally versatile shrubs that are ideal for partial shade and will thrive in acidic soil.