Johnstone G.H.

Hybridizer Profile

Name Johnstone G.H.
Location Trewithin, Cornwall, England

R. 'Alison Johnstone'

Rhododendron Hybrid
R. yunnanense x R. cinnabarinum ssp xanthocodon Concatenans Group

Hybridized By: Johnstone G.H.

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R. 'Alison Johnstone Group'

Rhododendron Hybrid
R. 'Francisa' x R. 'Janine Alexandre Debray'

Hybridized By: Johnstone G.H.

R. 'Jenifer'

Rhododendron Hybrid
R. griffithianum x R. campylocarpum ssp campylocarpum

Hybridized By: Johnstone G.H.

R. 'Trewithen Orange'

Rhododendron Hybrid
R. 'Full House Group' x R. cinnabarinum ssp xanthocodon Concatenans Group

Hybridized By: Johnstone G.H.

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R. 'Trewithen Orange Group'

Rhododendron Cultivar group
R. 'Full House Group' x R. cinnabarinum ssp xanthocodon Concatenans Group

Hybridized By: Johnstone G.H.

R. 'Zaleutinii'

Rhododendron Hybrid
R. augustinii ssp augustinii x R. zaleucum var zaleucum

Hybridized By: Johnstone G.H.