Can Azaleas Grow In Zone 6. Choose a site with dappled shade in sheltered conditions. Azaleas are famous for springtime beauty but they come in early mid- or late-flowering varieties.
The growth rate of the ReBLOOM Azaleas is rapid and they add 8 to 12 inches of new growth each year if you care for them. The Encore Azalea Difference 1. Low-growing ground cover azaleas such as Joseph Hill a bright-red-flowering evergreen that grows only to about a foot.
Tall varieties include the white-blooming sweet azalea R.
How to Plant Rhododendron. Plant in spring or early fall. Zone 5 azaleas grow best in an area where they can receive a lot of sunlight but are slightly shaded by tall trees in the afternoon heat. Where temperatures drop to as low as 10 below 0 F.