Hybridizer Profile

Johnstone G.H.

Pages of Hybrids:

R. 'Alison Johnstone' Rhododendron Hybrid R. yunnanense X R. cinnabarinum ssp xanthocodon Concatenans Group Hybridized By: Johnstone G.H.. Trewithin, Cornwall, England, 1945 More information and pictures
R. 'Alison Johnstone Group' Rhododendron Hybrid R. 'Francisa' X R. 'Janine Alexandre Debray' Hybridized By: Johnstone G.H.. Trewithin, Cornwall, England, 1945	More information
R. 'Jenifer' Rhododendron Hybrid R. griffithianum X R. campylocarpum ssp campylocarpum Hybridized By: Johnstone G.H.. Trewithin, Cornwall, England, 1943	More information
R. 'Trewithen Orange' Rhododendron Hybrid R. 'Full House Group' X R. cinnabarinum ssp xanthocodon Concatenans Group Hybridized By: Johnstone G.H.. Trewithin, Cornwall, England, 1950 More information and pictures
R. 'Trewithen Orange Group' Rhododendron Cultivar group R. 'Full House Group' X R. cinnabarinum ssp xanthocodon Concatenans Group Hybridized By: Johnstone G.H.. Trewithin, Cornwall, England, 1950	More information
R. 'Zaleutinii' Rhododendron Hybrid R. augustinii ssp augustinii X R. zaleucum var zaleucum Hybridized By: Johnstone G.H.. Trewithin, Cornwall, England, 1952	More information