True blue has the bluest flowers of all large-flowered hybrid rhododendron varieties ever bred.
It grows quickly and thrives in direct sunlight.
The varieties from which it was bred are Yakushimanum, Campanulatum, Purple Splendour and Anah Kruschke.
It can reach a height of approximately 120cm in 10 years.
Flowering period: From mid-May to the end of May