Rhododendron ( Rose de Hollande Ghent Hybrid Azalea )
The contrived species name R. gandavense is often used for all the cultivars of the Ghent Hybrids . These hardy plants grow in Belgium and England in the 1800s from cross between many dissimilar species . This cultivar is an Old Ghent Hybrid introduced before 1900 . Tall , deciduous shrub that branch out with age . The Ghents choose nerveless climates and are very hardy ( -15 degree F to -25 degrees F ) ....