Growth: Western Azalea grows rapidly to about 9-15 ft. (3-5m) and is long-lived. Elegance and Style in One Graceful Shrub Beautiful Fragrant White Flowers A dependable shrub with year-round interest. Beautiful evergreen. The velvety-soft blooms will adorn its deep green foliage into summer adding a lightly perfumed scent to the air. Glacier Azalea will grow to be about 5 feet tall at maturity, with a spread of 5 feet. Add to front yard foundation planting for elegant color and neutral tones. 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. Bloom-A-Thon White Azalea Spacing. Should be sited in protective area in a well-drained soil. The Gumpo azalea is a spreading evergreen shrub seldom over 2 feet high and 3 feet wide. New vegetative growth emerges from terminal buds (in some cul-tivars ahead of flowers; in others, after the flowers). Very bright green new foliage turns darker with age. There have been some anecdotal accounts in the Puget Sound region. Although azaleas are generally free of pests and diseases with proper azalea care, common azalea diseases and problems do exist. Blooms are numerous, clustered, and a deep fuchsia. 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. I planted some red hardy azaleas, six inch plants, that are supposed to grow to a mature size of 2-3 ft. 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. Insert into shaded edges of large canopy shade trees or against the trunks of tree groves. 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. ... --Growth Rate : Slow to moderate ( 4" - 6" avg per yr )--Hardiness Zones : 7b - 10 Because this azalea grows very large, periodic pruning may be required to keep growth in check. 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. Only White Azalea to Bloom Spring, Summer, and Fall. Buy Autumn Belle Encore Azalea here Flower buds for the next season are usually formed before the current season's blossoms open. If you need to prune to shape the plant or remove dead portions, do so right after it’s done flowering. 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. 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. Use the patio tree form in a colorful container planting. This very hardy azalea was developed by plantsman Mike Farrow of Maryland. Azalea japonica is a small heath shrub that provides evergreen, bushy growth. Although most people associate azaleas with spring, there are several that bloom in summer and fall. The shrub has a slow growth rate and typically doesn’t require much pruning. The best time to renew azaleas is before spring growth begins. Semi drought tolerant once established. Height: 3'-5' Width: 3'-5' Growth Rate: Slow FS/PS # 3 pot 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. 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. Apply 2½ pounds or 5 cups of 12-6-6 evenly over the mulched bed. Characteristics . Habitat: It grows in moist, open woods and streambanks. 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. Removing spent flowers promotes new growth; Rhododendron calendulaceum is said to be difficult to propagate from cuttings, but it is very easy from seed. 3 to 4 feet in height and width and produce the most impressive white, trumpet-shaped flowers spring! 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