Azaleas typically bloom early in the growing season, lavishing landscapes with copious mounds of white, pink, salmon, and lavender flowers. Space plants 2 to 6 feet apart, depending on their estimated mature size. The only way to be certain you’ll get clones of a favorite azalea is to propagate them vegetatively from azalea stem cuttings. The spectacular spring flowers of azaleas and rhododendrons make them among the most popular garden shrubs. Growing Exbury Deciduous Azaleas from Seed. Azaleas prefer to grow in acidic soil; under taller shrubs and trees. Since azaleas are not deer-resistant shrubs, it is entirely possible that Bambi came onto your property for a midnight snack one night and ate the flower buds right off your poor plant. Deciduous, Hybrid Azaleas. Except, here, it is the pest that does the "pruning," not the gardener. After Azaleas bloom they start to form a seed pod that stays on the plant all summer as the seeds inside the pod develop and mature. Read on for information about azalea plant propagation, including how to root azalea cuttings. If you don’t have a natural woodland area in your landscape, plant azaleas in the shadow of any taller plants… Azaleas are usually sold as container-grown plants or have a ball of soil to protect their delicate roots. HOW TO PLANT RHODODENDRON. Knap Hill and Exbury Azaleas are by far the most popular of deciduous, hybrid Azaleas grown in North America. They thrive near and even beneath shade trees, unlike most flowering shrubs. Plant them in the fall immediately after the deciduous trees drop their leaves or in early spring before they begin to put on new leaves in the cooler USDA zones 3 to 7. In addition to the main plant nutrients, this fertilizer also includes micronutrients such as iron, manganese, and zinc, which are vital for growing azaleas (and other acidic soil-loving plants). Avoid planting in winter, though mid autumn can be an option in areas where there is adequate shelter from drying o r unsettling wind. Plant in a site that receives afternoon shade, especially in hot areas. In tropical zones, azaleas will bloom in full shade. These plants do best in well-drained acidic soil, with a pH between 4.5-6.0. They were originally developed in about 1870 by Anthony Waterer at his nursery in Knap Hill, England, but the plants did not become widely available until 1924. A woodland area is an ideal planting location for azaleas; it naturally provides the shade and soil the shrub thrives in. Ghent azaleas are hybrids developed in Belgium about 150 years ago resulting from crosses between several American azalea species and R. luteum.Their single flowers, with one ring of petals, or double flowers, with numerous overlapping petals, are 1 1/2 to 2 inches across and come in white and in shades of yellow, orange, pink and red. When to Plant Azaleas. Some deciduous azaleas add bright fall color before the leaves drop. Deciduous trees lose their foliage during winter, bursting to life with new growth once spring arrives. Hybrid Deciduous Azaleas. Plant in spring or early fall. Many types of deciduous trees bring color to an otherwise dull landscape in fall with their brilliant leaf colors in hues of purple, yellow, orange and red. In some areas, the pest most likely to be the culprit is deer. Plant deciduous and evergreen azaleas while they are dormant.In warm, mild-winter climates of USDA zones 8 and 9, B&B and container-grown azaleas should be planted between November and February. Dig a hole as deep as the root ball and 2 times as wide. A month after planting, begin feeding azaleas with Miracle-Gro® Water Soluble Azalea, Camellia, Rhododendron Plant Food. Plant azaleas in early spring; just before the new growth starts begins. 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