[Little Rhododendron from Alfeld [Germany]]

clima climat climate dwarfism enanismo environmental factors facteur du milieu factores ambientales feuille fitomejoramiento fleur flores flowers herkunft hojas leaves multiplication des plantes nanisme ph plant breeding plant habit plant propagation plantule port de la plante procedencia provenance rhododendron seedlings soil sol suelo variedades varieties zierpflanzenbau