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Droopy or curled up foliage on this shrub is a sure sign your plant isn't happy. Here's how to diagnose and correct the problem.
Rhododendron (/ ˌ r oʊ d ə ˈ d ɛ n d r ən /; pl.: rhododendra) is a very large genus of about 1,024 species of woody plants and in the heath family (Ericaceae). They can be either evergreen or deciduous.
Rhododendron caucasicum, the Caucasian rhododendron or the Georgian snow rose, is a species of flowering plant in the genus Rhododendron native to the Transcaucasus and Anatolia. [2] Its hybrid cultivar 'Christmas Cheer' has gained the Royal Horticultural Society 's Award of Garden Merit .
The society provides a means through which people interested in rhododendrons and azaleas can communicate and cooperate with others via its publications, events, local and regional meetings and international conferences. Society activities include public education, plant sales, flower shows, seed exchanges, and scientific research.
Rhododendron periclymenoides has low levels of toxicity, and all parts of the plant may cause vomiting or diarrhoea if ingested in quantity. [6] The poisons produced by rhododendrons are known as grayanotoxins, which are a class of neurotoxins. These neurotoxins work by blocking the inactivation of sodium channel receptors, causing cell ...
Rhododendron macrophyllum, the Pacific rhododendron, [2] California rosebay, [3] California rhododendron, coast rhododendron or big leaf rhododendron, is a large-leaved species of Rhododendron native to the Pacific Coast of North America. It is the state flower of Washington. [4]
Rhododendron maximum is a species of Rhododendron native to the Appalachians of eastern North America, from Alabama north to coastal Nova Scotia. Its common names include great laurel , [ 2 ] great rhododendron , rosebay rhododendron , American rhododendron and big rhododendron .
Rhododendron makinoi, the Makino rhododendron, is a species of flowering plant in the heath family Ericaceae that is native to Japan. It is a compact evergreen shrub growing to 2.5 m (8.2 ft) tall and broad, with woolly young shoots and long narrow curved leaves, heavily felted brown on the reverse. The flowers, borne in trusses in spring, are ...
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