Rhododendron 'Peter Koster'
19644172 Cultivated material
Rhododendron 'Pilgrim'
19598096 Cultivated material
Rhododendron 'Pink Drift'
19678044 Uncertain
Rhododendron 'Pink Pearl'
19568873 Uncertain
Rhododendron 'Polar Bear'
19568874 Cultivated material
Rhododendron 'Polaris'
19890948 Cultivated material
Rhododendron 'Portent'
19598111 Cultivated material
Rhododendron 'Prelate'
19598085 Cultivated material
Rhododendron 'Princess Alexandra'
19973667 Cultivated material
Rhododendron 'Princess Alice'
19587052 Uncertain
19599979 Cultivated material