Evergreen Azaleas. For the most part, azaleas bloom earlier than rhododendrons. Thus the leaves are dimorphic (two types), each type lasting just long enough to keep the evergreen appearance of the azalea in distinct contrast to the deciduous types of azaleas that lose all foliage during late fall and winter. 12 Different Types Of Azaleas And Why They're Good For. Azaleas have five stamens; leaves do not have scales and often are covered with hairs. North American azaleas are deciduous and produce two types of buds. Height to 4ft (1.2m), spread to 5ft (1.5m). Gracing woodland gardens and shrub borders with their magnificent flowers, Azaleas and Rhododendrons are popular ornamental shrubs for gardens of all sizes. Share. True rhododendrons are usually evergreen (there are exceptions). Deciduous and hybrid azaleas are broken down into two main categories, as described below. He started by crossing R. calundulaceum with R. prinophyllum. Deciduous Azaleas are in the subgenus Pentanthera, Evergreen Azaleas are in the subgenus Tsustusti. In this article, we'll talk about 10 of the most popular ones. Prune deciduous azaleas while they are dormant and leafless. Most deciduous azaleas are very tough (H5-6) and wind/exposure tolerant. Azaleas from the Encore series, such as 'Encore Autumn Amethyst' with 'Lemon . Evergreen or deciduous, these members of the genus Rhododendron come in all shapes and sizes, from small, ground-hugging shrubs to large, tree-like specimens. All Azaleas are elepidotes; they never have scales on the bottom side of their leaves. Many series (types) of hybrid deciduous azaleas were developed in … If space allows, they are at their best when planted in bold groups and with a mix of varieties. The Arboretum is home to over 1000 specimens from the genus Rhododendron. Here is a list of Azaleas and Rhododendrons with unusual charm in terms of fall color. They can be grown in soils up to pH 6.5 when plenty of ericaceous compost is added. Hybrid deciduous Azaleas often have a fragrance to match their beautiful, warm, (usually yellow or orange) colored flowers. 1. There are almost 10,000 types of Azaleas and they can grow almost anywhere. There are deciduous and evergreen varieties of azaleas, and they produce vibrant blooms in varying shades of color. Most azalea flowers are funnel-form. The Southeastern United States is home to more types of deciduous azaleas than the rest of the world combined, and the center of that diversity lies just east of Auburn in Georgia. They can be cut back to keep them in bounds. However, it is the deciduous forest plants that mesmerize us with their ever-changing hues and growth pattern. The Indian Azaleas are those evergreen types to be found in the florist shops – … At least two species of deciduous azaleas are native to eastern Canada and several more species are found in New England. Pin. Here are 10 popular types of azaleas to grow in the garden. There are many different types of azaleas and most people have had one that looked beautiful but eventually died, usually because it was not a hardy variety. There are dwarf azaleas, native azaleas, hybrid azaleas, young azaleas but they all have the same thing in common when it comes to pruning. Experts debate over what defines and azalea as separate from rhododendrons. The ideal azalea planting location features filtered sunlight and protection from strong winds, as recommended by gardening website Gardens Ablaze. 15 Different Types of Azaleas For Your Garden. Some deciduous azaleas are cold-hardy to Zone 3 (-40°F), while many more are cold-hardy to Zone 5 (-20°F) and warmer. Azaleas grow into a compact, flowering shrub that thrives in partial shade. The different types of azaleas vary widely in cold hardiness, sun tolerance, color, size, shape and bloom dates. Most commonly, their flowers are in shades of white, pink, red, lavender, or purple and various bicolor types. Their abundance and variety of flowers make these plants a prized possession. These are often semi-evergreen, with largish single flowers in mid- to late May. There are both deciduous and evergreen rhododendrons. Evergreen azaleas are dense, usually shapely plants; heading back the occasional wayward branch restores symmetry. Azalea is one of the most coveted flowering shrub varieties. In fact, there are over 10,000 different types with many hundreds of different species. Successful hybridization of deciduous azaleas was initiated in the 1820's by a Belgian baker living in Ghent. Climatic conditions, cultural conditions, and the genetics of each plant all affect the amount of foliage retained. They prefer light dappled shade, but can also be grown in sun or more shade. Plant them in full sun or part day shade. Another key different between azaleas and other plants which share their genus is that the azalea has deciduous leaves, while other rhododendrons or “rhodies” are … Plants Shrubs Garden Types Outdoor Rooms Home Tours Biltmore Estate Azaleas The 15-acre Biltmore Estate azalea garden began in 1940 when estate superintendent Chauncey Beadle bequeathed his entire collection of azaleas—which he referred to as his children and considered the definitive American shrub—to the estate. Most azaleas are deciduous, although most types used in the home landscape are evergreen. The plants from this series are known as the Ghent Azaleas. True rhododendron flowers tend to be bell-shaped. In other words, where species azaleas grow from seeds, the only way to reproduce a hybrid is from cuttings. Successful hybridization of deciduous azaleas was initiated in the 1820's by Mr. P. Mortier, a baker living in Ghent, Belgium. Autumn colour in most varieties: red, orange, yellow shades as the leaves fall. [1] The flower color, fragrance, and number of stamens vary among species. Deciduous Azaleas are tolerant of semi shaded positions, but are at their best if planted in full sun. The evergreen types of azalea are the more popular types for residential areas. Deciduous types offer virtually no interest in the winter landscape. At least dappled sunlight is required for optimal blooming on Gibraltar azaleas. Many species of deciduous azaleas are native to the east, southeast and south and one species grows wild in the west. 0 Shares. Aromi azaleas have large, fragrant flowers that bloom early in the season. One is a larger and produces about 20 flowers while the other bud produces a leafy shoot. 3. Evergreen Hybrids. Deciduous types are more sun-tolerant than evergreen types (although, in the South, you will still want to be careful not to give them excessive sunlight). 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