R. 'Jack-o-Lantern'Rhododendron HybridR. 'Donna Hardgrove' X R. vernicosumHybridized By: Rhein, W.L.. Mechanicsburg, Pennsylvania, USA, 1977 |
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R. 'Golly Gee'Rhododendron HybridR. 'Donna Hardgrove' X R. maximumHybridized By: Ring, T.L.. Bellaire, Ohio, USA, 1977 |
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R. 'Break Fast'Rhododendron HybridR. 'Goldfort' X R. 'Donna Hardgrove'Hybridized By: Byrkit, M.E., 1976 More information and pictures |
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R. 'Ginny's Delight'Rhododendron HybridR. 'Gosh Darn!' X R. 'Donna Hardgrove'Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1989 |
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R. 'brachycarpum ssp tigerstedtii x Donna Hardgrove'Rhododendron HybridR. brachycarpum ssp tigerstedtii X R. 'Donna Hardgrove'Hybridized By: No hybridiser registered |
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