Azalea Plant Care Uk. Deciduous varieties of azaleas like the roseshell azalea (rhododendron prinophyllum) can survive in zone 4. Take care not to let the azalea dry out, or it will wither.
They are available to purchase throughout the year, although extra care should be taken during the winter months. If you live in a colder climate, you might consider growing a different type of plant. The plants must be watered at least once per week, unless they are in direct sunlight, in which case they must be watered more frequently.
Deciduous varieties of azaleas like the roseshell azalea (rhododendron prinophyllum) can survive in zone 4.
Spring has definitely arrived when azalea bushes (rhododendron spp.) cover themselves in brightly colored flowers. Plant in a site that receives afternoon shade, especially in hot areas. Dig a hole as deep as the root ball and 2 times as wide. How to plant rhododendron & azaleas.