Zone 8b has a low temperature of 15 to 20 Fahrenheit and -6.7 to -9.4 Celsius, spanning all the way across the US; from coastal areas of the northwest and California through central Arizona and southern Texas, to across south Georgia and north Florida, the southern interior region of southeast Australia, southern interior regions of Europe, central interior regions of China, coastal and areas just inland in southern Japan, and northern and southern interior regions of Africa. Native Azaleas are adaptable to many soil types but prefer a moist, well-drained soil that is rich in organic matter. Mark unread; Skip to new; Mark unread Print Skip to new. Genus name comes from the Greek words rhodo meaning rose and dendron meaning tree. Transferred from the Greek name for Nerium oleander. Our biggest sellerâ¦the deciduous azalea. Zone 8a has a low temperature of 10 to 15 Fahrenheit and -9.5 to -12 Celsius, spanning all the way across the US; from coastal areas of the northwest and California through central Arizona and Texas, across the southern halves and coasts of Mississippi, Alabama, Georgia and the Carolinas, central interior regions of Europe, central interior regions of China, coastal regions of southern Japan, southern interior regions of South America, and northern and southern interior regions of Africa. They can be used in hedgerows or shrub borders, as the background to a perennial garden, or as a specimen plant. The native azalea will slowly grow up to ten feet tall and will lose its leaves in the winter. Rhododendron viscosum Swamp Azalea Fragrant White Native Shrub Rhododendron Flammeum Speciosum Oconee Azalea Native Shrub Rhododendron prunifolium Plumleaf Azalea. (Fifteen inches is the normally recommended depth.) They do not like full sun but need enough to bloom properly. That said, occasionally we might prune a stray branch that is spoiling the natural form of the plant. âFormosa,â a type of Southern Indica azalea, is one of the best and most popular in Houston gardens. Zone 5a has a low temperature of -20 to -15 Fahrenheit and -26.2 to -28.8 Celsius, spanning from central regions in the Midwest and lower regions of the northeast US, southern coastal areas of Alaska, coastal regions of western Canada, central interior regions of Europe, central and northern interior regions of China, southern interior regions of South America, and coastal regions of northern and interior regions of southern Japan. But there are also dwarfs just a few inches tall, giants that reach 40 ft. or even 80 ft. in their native Southeast Asia, and a host of species and hybrids of intermediate size. Fourteen species grow and hybridize naturally there. The heavy clay, alkaline soils in northern Texas require some soil preparation to successfully cultivate azaleas, so some groundwork is necessary prior to planting. Although most people associate azaleas with spring, several bloom in summer and fall. Most of the native rhododendrons bloom in spring, but this beauty blooms in June, after its leaves are formed, in South Louisiana. Native azaleas are flowering shrubs that can reach airy heights of 6â-8â. There is a wide range of choices in size, flower color and season of bloom, and many are fragrant. Zone 11 has a low temperature of above 40 Fahrenheit and above 4.5 Celsius, covers Hawaii (Honolulu), Southern Mexico, the Florida Keys, the northern most region of Australia, southernmost regions of China, northern regions of South America, coastal regions of Central America, and central interior and coastal areas of Africa. When you buy plants online from Wilson Bros Gardens, you can expect to receive high-quality nursery and garden center grade plants that are fully-rooted in their containers or pots and ready upon arrival to plant and thrive for years to come in your gardens - Guaranteed! (Play sand is not co⦠Zone 3b has a low temperature of -35 to -30 Fahrenheit and -34.5 to -37.2 Celsius, spanning from northernmost regions of the US, interior and northern coastal areas of Alaska, southern regions of Canada, northern areas of Europe, some central and northern interior regions of China, and interior regions of northern Japan. East Texas Photo Galleries for Nature Enthusiasts Botanically, azaleas are members of theEricaceae (Heath) family, which includes blueberries and mountain laurel. A large shrub, swamp azalea grows in swamps, wet pine-lands and wetlands in the wild. At Wilson Bros Gardens, not only have we built our reputation on shipping the highest quality plants and other products, we gently pack every plant using the highest level of packaging products and methods to ensure your plants arrive safely and in good condition - Guaranteed!