Key Azalea japonica facts. 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. Its fast growth rate makes it very versatile to grow! There have been some anecdotal accounts in the Puget Sound region. Azalea Bush Care. Removing spent flowers promotes new growth; Rhododendron calendulaceum is said to be difficult to propagate from cuttings, but it is very easy from seed. Foliage is a slightly lighter medium green color, with leaves being quite large and slightly elongated. A premier shrub for use as hedge or screen for an impressive color display. 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. New vegetative growth emerges from terminal buds (in some cul-tivars ahead of flowers; in others, after the flowers). Beautiful pink flowers in mid-spring.This evergreen azalea has a spreading habit.Prune after flowering to maintain shape. 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. The Formosa bush prefers full sun to partial shade and is somewhat cold hardy but cannot withstand freezing temperatures. The leaves are of the typical azalea type, but on the small size, usually less than an inch and a half long. 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. I suppose since you have dwarf azaleas that it would be hard to "speed up" their growth. A natural in Asian inspired gardens, particularly for the Japanese tea style. It will reach 3 to 4 feet in height and width and produce the most impressive white, trumpet-shaped flowers each spring. 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. wide (7 cm), is elegantly frilled and flushed red orange with a gold tinge. Use the patio tree form in a colorful container planting. 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. This very hardy azalea was developed by plantsman Mike Farrow of Maryland. This azalea is very particular about its planting site and must have soil that’s rich, acidic, evenly moist, and well-draining. Autumn Twist Encore Azalea - 1 Gallon Pot Autumn Twist produces an abundance of very large, 3 to 3.5-inch diameter, eye-catching white blooms with purple stripes and freckles on the petals in spring, summer, and fall against dark green foliage. Azaleas do not have to be routinely fertilized during the growing season. Flower buds for the next season are usually formed before the current season's blossoms open. 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. 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. Only White Azalea to Bloom Spring, Summer, and Fall. Azaleas are deciduous, drop their leaves in fall, and have five stamens in each flower. Symptoms of deficiency in azaleas include stunted growth, smaller greenish-yellow leaves, or early leaf drop. The best time to renew azaleas is before spring growth begins. Some “common sense” adjustments may have to be made at times when expected growth rate and plant spread may be reduced because of less than ideal conditions, or if vigorous and slow-growing plants are planted together. Fertilizing before the plant has bloomed might cause new growth to emerge that will only cover up the blooms. If you need to prune to shape the plant or remove dead portions, do so right after it’s done flowering. Has an upright growth habit and is … Plant these shrubs at least 3 feet apart, center on center. Its star appeal, however, is the massive blooming of very beautiful flowers ranging from pink to red, purple and white. Bloom-A-Thon White Azalea Spacing. Glacier Azalea will grow to be about 5 feet tall at maturity, with a spread of 5 feet. Flowers precede leaves. This allows sufficient time for next year’s flower buds to form in midsummer, and for new growth to mature and harden off for winter. 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. An Evergreen Azalea -Timeline" FOLIAGE "Summer leaves" from last year's growth remain on plant, especially -A-those below terminal buds. Produces masses of showy single to semi-double blooms of deep cerise with frilly petals. The most common of these late bloomers is the ‘Gumpo’ azalea. Bright neon red-pink flowers engulf this compact semi-evergreen azalea in spring. Blooms are numerous, clustered, and a deep fuchsia. The shrub has a slow growth rate and typically doesn’t require much pruning. It is best to prune to shape and fertilize after the first major spring bloom. Add to front yard foundation planting for elegant color and neutral tones. Habitat: It grows in moist, open woods and streambanks. Fertilizing of these shrubs should take place in late spring to early fall. Beautiful evergreen. This is a wonderful choice. Vivid, glossy silver and dark green variegated foliage supplies the color the rest of the year. Southern Indica Azalea, Purple Formosa. Has a slightly more upright growth habit than most of the other Azalea varieties we grow / offer. 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. Insert into shaded edges of large canopy shade trees or against the trunks of tree groves. The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. Blooms midseason and occasionally throughout the year. Partial shade in extremely hot areas. 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. Growth: Western Azalea grows rapidly to about 9-15 ft. (3-5m) and is long-lived. 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. [Return to Top]R. atlanticum, the Atlantic Azalea or Coastal Azalea, is a low deciduous azalea found on coastal plains from Pennsylvania and Delaware south to Georgia. 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. The Gumpo azalea is a spreading evergreen shrub seldom over 2 feet high and 3 feet wide. Although azaleas are generally free of pests and diseases with proper azalea care, common azalea diseases and problems do exist. The three inch, early spring flowers are a bluish-pink to rose-purple with a darker blotch in the throat, and the foliage is a dark rich green and the overall plant growth is upright. Gibraltar azalea plants produce clusters (called "trusses," technically) of funnel-shaped, bright orange flowers with ruffled petals in May (in a zone 5 garden). I planted some red hardy azaleas, six inch plants, that are supposed to grow to a mature size of 2-3 ft. FLOWERS Buds emerge from dormancy, swell, and shed protective bracts. Description: Hardy Range: 8 – 10 Mature Height: 6 – 8’ Mature Spread: 4 – 6’ Growth Rate: slow Growth Habit: rounded Persistance: evergreen. Semi drought tolerant once established. Azaleas growth rate? 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. Height: 3'-5' Width: 3'-5' Growth Rate: Slow FS/PS # 3 pot Ornamental Characteristics: Leathery, oval leaves with a more defined point than most azalea varieties. Very bright green new foliage turns darker with age. It grows at a slow rate, and under ideal conditions can be expected to live for 40 years or more. Name – Azalea japonica Scientific name – Rhododenron Azaleastrum Tsutsusi Family – Ericaceae Type – shrub The brilliant hues of azaleas brighten home gardens along Pacific coastal regions of the United States, in the south and in colder areas. 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. 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. By carefully selecting plants, you can have azaleas blooming at least eight months of the year. After calculating the area of the bed, dig the entire bed 6 to 8 inches deep. Elegance and Style in One Graceful Shrub Beautiful Fragrant White Flowers A dependable shrub with year-round interest. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. Distribution: Western Azalea is native to the coasts of central and southern Oregon and California, in the Umpqua Valley, and the Siskiyou and Sierra Mountain ranges. Because this azalea grows very large, periodic pruning may be required to keep growth in check. Characteristics . ... --Growth Rate : Slow to moderate ( 4" - 6" avg per yr )--Hardiness Zones : 7b - 10 Some Characteristics of Azalea. I planted them a couple of months ago and they seem to be doing well but haven't changed much in size. Common Azalea Diseases & Pests. 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. Moderate grower to 2 to 4 feet tall and wide. This will encourage the plant to produce new growth, which will include another round of blooms that will last late into fall. It is useful in foundation plantings, in small or large groupings in landscape beds, as an informal hedge, or singularly in containers. Alaska is a mid-season flowering Rutherford Hybrid Azalea that typically blooms in the mid-spring spring. Numerous colors are available. You want to fertilize after the blooms have faded. 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. Buy Autumn Belle Encore Azalea here 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. Azalea japonica is a small heath shrub that provides evergreen, bushy growth. 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