Direcktor E. Hjelm Rhododendron (Rhododendron 'Direcktor E. Hjelm') in Drums Mountaintop Wilkes-Barre Hazleton Whitehaven Pennsylvania PA at Beechwood Gardens
Hybrid Rhododendron Plant Description
Beechwood Gardens Direcktor E. Hjelm Rhododendron
Rhododendron Goldsworth Orange
Rhododendron 'ERIKA GUYENS' - Havlis.cz
Bulletin 1978 Soci6t6 \ Canadienne du Rhododendron