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Like other ericaceous plants, most rhododendrons prefer acid soils with a pH of roughly 4.5–5.5; some tropical Vireyas and a few other rhododendron species grow as epiphytes and require a planting mix similar to orchids. Rhododendrons have fibrous roots and prefer well-drained soils high in organic material.
Azaleas (/ ə ˈ z eɪ l i ə / ə-ZAY-lee-ə) are flowering shrubs in the genus Rhododendron, particularly the former sections Tsutsusi (evergreen) and Pentanthera (deciduous). ). Azaleas bloom in the spring (April and May in the temperate Northern Hemisphere, and October and November in the Southern Hemisphere), [1] their flowers often lasting several
Hymenanthes, with approximately 225 species, and subgenus Rhododendron, with approx. 400 species, comprise what gardeners typically describe as "Rhododendrons." Two subgenera are generally known to gardeners as "Azaleas", and include many fewer true species: Pentanthera , which comprises the deciduous azaleas, and Tsutsusi , which includes ...
Rhododendron atlanticum. Rhododendron atlanticum, the dwarf azalea, grows on the coastal plain from Georgia to Delaware. It can be found up to 200 miles away from the coast, if the region is sandy, swampy, or dry. These plants can spread by rhizomes if the soil is loose. The flowers can be white or a light pink color, and are fragrant.
Rhododendron arborescens is a deciduous shrub up to 5.5 m (18 ft) tall, with terminal inflorescences growing from the end of the stems. These plants also generally have yellowish-brown twigs. The green, waxy leaves are 4.4–7.6 cm (1.75–3 in) long, oval and entire with round tips and hairy midribs.
Rhododendron Festival returns to Sandwich from May 17 to 27 this year. Across the festival, visitors can witness the 160 Dexter and J. C. Cowles' rhododendrons, named after the superintendent of ...
Satsuki azalea is a cultivar group of the genus Rhododendron, a type of azalea extensively cultivated and hybridized by the Japanese. It is native to the mountains of Japan. Satsuki azaleas have a diverse range of flower forms and color patterns with multiple patterns often appearing on a single plant.
Different pruning techniques may be used on herbaceous plants than those used on perennial woody plants. Reasons to prune plants include deadwood removal, shaping (by controlling or redirecting growth), improving or sustaining health, reducing risk from falling branches, preparing nursery specimens for transplanting, and both harvesting and ...