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Many shrubs respond well to renewal pruning, in which hard cutting back to a "stool", removes everything but vital parts of the plant, resulting in long new stems known as "canes". [10] Other shrubs respond better to selective pruning to dead or unhealthy, or otherwise unattractive parts to reveal their structure and character. [11]
Rhododendrons can be propagated by air layering or stem cuttings. [61]: 540–541 They can self-propagate by sending up shoots from the roots. Sometimes an attached branch that has drooped to the ground will root in damp mulch, and the resulting rooted plant then can be cut off the parent rhododendron.
Rhododendron garden, Sheringham Park, originally a country house garden by Humphry Repton, with many species collected by Ernest Henry Wilson a century later. A shrubbery, shrub border or shrub garden is a part of a garden where shrubs, mostly flowering species, are thickly planted. [1]
Saving the rhodies. The park has hundreds of rhododendrons and azaleas. Some are labeled with the species or cultivar names. Others were planted with memorial plaques dedicated to specific people.
The plants were first grown in Britain in the 1760s, supplied by Conrad Loddiges, and became widely distributed through the commercial nursery trade in the late 18th and early 19th centuries. The roots readily send up suckers from below the graft, often allowing it to overtake the intended grafted rhododendron.
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 occidentale is a shrub growing to 5 m tall. The leaves are deciduous, 3–9 cm long and 1–3 cm broad.The flowers are 3.5–5 cm diameter, with five lobes on the corolla; color varies from white to pink, often with a yellow blotch.
Start by removing any dead branches. Also look for branches that cross or rub against one another and remove one or both. ... To shape plants, trim back any disproportionately long shoots, cutting ...