Although azaleas are generally free of pests and diseases with proper azalea care, common azalea diseases and problems do exist. New vegetative growth emerges from terminal buds (in some cul-tivars ahead of flowers; in others, after the flowers). Symptoms of deficiency in azaleas include stunted growth, smaller greenish-yellow leaves, or early leaf drop. Plant these shrubs at least 3 feet apart, center on center. Any fertilizer application should be based on their appearance, such as leaf color, growth rate, soil test results and your objectives, such as encouraging growth or correcting a mineral deficiency. It is useful in foundation plantings, in small or large groupings in landscape beds, as an informal hedge, or singularly in containers. Insert into shaded edges of large canopy shade trees or against the trunks of tree groves. Azaleas' vivid colors, profusion of flowers and adaptability to a wide range of soils and climates make them one of the most popular flowering shrubs in Georgia. I planted them a couple of months ago and they seem to be doing well but haven't changed much in size. It tends to be a little leggy, with a typical clearance of 1 foot from the ground, and is suitable for planting under power lines. Beautiful pink flowers in mid-spring.This evergreen azalea has a spreading habit.Prune after flowering to maintain shape. Plants can achieve a height of five to six feet after 10 years if not pruned to minimize their vertical growth; with their upright growth habit, the width tends to be less than the height. The most common of these late bloomers is the ‘Gumpo’ azalea. Fertilizing before the plant has bloomed might cause new growth to emerge that will only cover up the blooms. All parts of plant are poisonous if ingested; Native of the eastern United States, Flame Azalea was first collected by A. Michaux in 1795 from the Blue Ridge Mountains of North Carolina. Elegance and Style in One Graceful Shrub Beautiful Fragrant White Flowers A dependable shrub with year-round interest. The Gumpo azalea is a spreading evergreen shrub seldom over 2 feet high and 3 feet wide. Should be sited in protective area in a well-drained soil. Apply 2½ pounds or 5 cups of 12-6-6 evenly over the mulched bed. Produces masses of showy single to semi-double blooms of deep cerise with frilly petals. Only White Azalea to Bloom Spring, Summer, and Fall. This Azalea variety makes a very good foundation planting with medium size, and also does very well when mass planted, or used as a hedge. Moderate grower to 2 to 4 feet tall and wide. Use the patio tree form in a colorful container planting. Although most people associate azaleas with spring, there are several that bloom in summer and fall. One of the larger growing Encore Azaleas, Autumn Belle has a very robust, upright growth habit to 5 feet tall with a 4 foot spread. Glacier Azalea will grow to be about 5 feet tall at maturity, with a spread of 5 feet. The guy selling the azalea to me said that its growth rate is very good, but once home and checking online and the various books I have, as well as remembering what I was told at a different nursery where the advice is stellar, my feeling is that it has a very slow growth rate. Having a glossy dense, bushy and vigorous growth habit, this azalea is perfect for mass plantings, mixed borders, containers, as a specimen plant, and also for foundation plantings. Habitat: It grows in moist, open woods and streambanks. Very bright green new foliage turns darker with age. If you need to prune to shape the plant or remove dead portions, do so right after it’s done flowering. ... --Growth Rate : Slow to moderate ( 4" - 6" avg per yr )--Hardiness Zones : 7b - 10 Numerous colors are available. Bright neon red-pink flowers engulf this compact semi-evergreen azalea in spring. It will reach 3 to 4 feet in height and width and produce the most impressive white, trumpet-shaped flowers each spring. Some Characteristics of Azalea. Height: 3'-5' Width: 3'-5' Growth Rate: Slow FS/PS # 3 pot The leaves are of the typical azalea type, but on the small size, usually less than an inch and a half long. Add to front yard foundation planting for elegant color and neutral tones. The shrub has a slow growth rate and typically doesn’t require much pruning. There have been some anecdotal accounts in the Puget Sound region. Removing spent flowers promotes new growth; Rhododendron calendulaceum is said to be difficult to propagate from cuttings, but it is very easy from seed. Partial shade in extremely hot areas. An exceptional white azalea that's a stand out against red brick or dark green foliage plants. - This azalea is among the most robust of all the southern azaleas. Vivid, glossy silver and dark green variegated foliage supplies the color the rest of the year. Gibraltar azalea plants produce clusters (called "trusses," technically) of funnel-shaped, bright orange flowers with ruffled petals in May (in a zone 5 garden). Alaska is a mid-season flowering Rutherford Hybrid Azalea that typically blooms in the mid-spring spring. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. The best time to renew azaleas is before spring growth begins. Fertilizing of these shrubs should take place in late spring to early fall. Pink Ruffle Azalea is a semi dwarf compact Belgian Hybrid Azalea with loads of light violet pink blossoms that cover this shrub in spring, with additional blooms oftentimes occurring again in mid fall. A premier shrub for use as hedge or screen for an impressive color display. The Formosa bush prefers full sun to partial shade and is somewhat cold hardy but cannot withstand freezing temperatures. Southern Indica Azalea, Purple Formosa. Bloom-A-Thon White Azalea Spacing. Blooms midseason and occasionally throughout the year. Has an upright growth habit and is … An Evergreen Azalea -Timeline" FOLIAGE "Summer leaves" from last year's growth remain on plant, especially -A-those below terminal buds. Pruning Bloom-A-Thon White Azaleas should be done each year after the spring bloom has started to fade. The velvety-soft blooms will adorn its deep green foliage into summer adding a lightly perfumed scent to the air. Flowers precede leaves. Characteristics . Rhododendron prunifolium, the Plum Leaf Azalea, is one of the latest native azaleas to bloom.The orange to vivid red flowers open in late summer and measure 1.5 to nearly 2 inches across. It is best to prune to shape and fertilize after the first major spring bloom. You want to fertilize after the blooms have faded. Common Azalea Diseases & Pests. The brilliant hues of azaleas brighten home gardens along Pacific coastal regions of the United States, in the south and in colder areas. Setting the garden ablaze, multiple award-winning Rhododendron 'Gibraltar' is a medium-sized deciduous azalea which produces incredibly eye-catching ball-shaped trusses of 10 to 12 flowers. Azaleas growth rate? Buy Autumn Belle Encore Azalea here After calculating the area of the bed, dig the entire bed 6 to 8 inches deep. Azaleas do not have to be routinely fertilized during the growing season. It grows at a slow rate, and under ideal conditions can be expected to live for 40 years or more. Flower buds for the next season are usually formed before the current season's blossoms open. A hardy series of azalea hybrids (Rhododendron) developed for bud hardiness in Minnesota to withstand cold temperatures as low as -35° F without significant damage. Foliage is a slightly lighter medium green color, with leaves being quite large and slightly elongated. Ornamental Characteristics: Leathery, oval leaves with a more defined point than most azalea varieties. By carefully selecting plants, you can have azaleas blooming at least eight months of the year. Because this azalea grows very large, periodic pruning may be required to keep growth in check. Growth Rate: Slow: Botanical Name: Azalea x 'Robleg' Does Not Ship To: AZ: Grows Well In Zones: 7-9 outdoors You are in Growing Zone: # Growing Zones: 7-9 outdoors (hardy down to 10℉) Product Description. In general here's how to care for your azalea plants : prefer shady location, moist soil, but with good drainage and summer time, provide additional watering until the fall, good plant for zones 6 - 8, does not like excessive hot or cold areas. I planted some red hardy azaleas, six inch plants, that are supposed to grow to a mature size of 2-3 ft. Name – Azalea japonica Scientific name – Rhododenron Azaleastrum Tsutsusi Family – Ericaceae Type – shrub Description: Hardy Range: 8 – 10 Mature Height: 6 – 8’ Mature Spread: 4 – 6’ Growth Rate: slow Growth Habit: rounded Persistance: evergreen. Key Azalea japonica facts. Semi drought tolerant once established. R. arborescens, the sweet or smooth azalea, grows 4 to 6 feet tall and bears clusters of very fragrant 2-inch white or rose-tinged flowers in midsummer.Its leaves turn a deep glossy red in autumn and is hardy in Zone 5 to -15° F. 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