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Hybridizer Profile

Sifferman, Karl I.

Seattle, Washington, USA


Pages of Hybrids: 1

R. 'Chinmar'

Rhododendron Hybrid
? X ?

Hybridized By: Sifferman, Karl I.. Seattle, Washington, USA

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R. 'Hotei'

Rhododendron Hybrid
R. 'Goldsworth Orange' X R. 'souliei x wardii var wardii'

Hybridized By: Sifferman, Karl I.. Seattle, Washington, USA, 1968

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R. 'Robert Hale'

Rhododendron Hybrid
? X ?

Hybridized By: Sifferman, Karl I.. Seattle, Washington, USA, 1969

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