This is a very well-known old rhododron resembling the 'Catawbiense Boursault'. However, the leaves are smoother and the flowers are a bit smaller and a lighter purple.
Rhododendron 'Catawbiense Grandiflorum' can eventually reach a height of 2,5 - 4 m, depending on the site and climate conditions.
Rhododendron 'Catawbiense Grandiflorum' is genomsnittlig and can eventually reach a height of 2,5 - 4 m, depending on the site and climate conditions.
The right time to plant Rhododendron 'Catawbiense Grandiflorum' is during the dormancy period. In Western Europe, Rhododendron 'Catawbiense Grandiflorum' with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.
Rhododendron 'Catawbiense Grandiflorum' blooms in may, juni.