An evergreen, medium-sized shrub with small, recurved green leaves and rounded trusses of open, funnel-shaped, deep violet flowers with yellow-green to brownish markings, in late May to early June.

The American Rhododendron Society measures the growth rates of numerous species and hybrids. Speed of growth is determined by calculating how tall a plant grows in 10 years. Many rhododendron plants ...

One of the plant species targeted by the project is Rhododendron ponticum. Rhododendron ponticum is a non-native invasive species in Scotland. It is neither vigorous nor invasive in its natural ...

Sir Joseph Hooker brought back many new specimens of rhododendron from his travels to the Himalaya in the mid-19th century. Struck by the spectacular beauty of these colourful flowers, he exclaimed: ...

A large evergreen shrub, to 2m tall and wide, with narrow, tapered leaves, up to 11cm long, with upper surfaces covered with a fine down whilst the undersides are scaly with pale hairs along the ...

Ever wondered how to prune rhododendron? These seemingly common shrubs can sometimes be a mystery to gardeners. They are often overlooked as large plants that can swamp garden spaces, but ...

Learn how to grow rhododendrons and you can enjoy fabulous displays of flowers each year. Choose from those with blooms in purple, pink, red, lavender blue, yellow or other hues to bring a spectacle ...

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My research uses fMRI and other technologies to uncover the structure of human thought. The fMRI studies track the brain activity that occurs during a wide range of cognitive and social thought, such ...