Signs of SUMMER: The Cragside rhododendrons are bloomingTyne TeesEnvironmentWeatherCountryside Wednesday May 29, 2019, 6:37 PMCragside rhododendrons They peak as summer starts, and this year the Northumberland rhododendrons are putting on a colourful display.The National Trust say millions of flowers will bloom at Cragside over the next few weeks.Ross has been to find out more: play-icon Created with Sketch.