Rhododendron Index

R. 'Hardy Giant'

Rhododendron Hybrid

R. fortunei ssp fortunei x R. rex ssp fictolacteum

Hybridized By: Hardgrove, D.L.

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R. 'Hardy Hexe'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Guttormsen, W.L.

R. 'Hardy Madfort'

Rhododendron Hybrid

? x ?

Hybridized By: Gable, J.B.

R. 'Hardy Splendour'

Rhododendron Hybrid

? x ?

Hybridized By: Shapiro, B. & M.

R. 'Harkwood Friendship'

Rhododendron Hybrid

? x ?

Hybridized By: Drayson R.J.R

R. 'Harkwood Moonlight'

Rhododendron Hybrid

? x ?

R. 'Harkwood Premiere'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Bud Flanagan'

Hybridized By: Drayson R.J.R

R. 'Harkwood Red'

Rhododendron Hybrid

? x ?

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R. 'Harkwood Supreme'

Rhododendron Hybrid

? x ?

Hybridized By: Drayson R.J.R

R. 'Harlequin'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Morrison, B.Y.

R. 'Harlequin'

Azalea Hybrid

? x ?

Hybridized By: Knight & Perry

R. 'Harlequin'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Bobbink &

R. 'Harmony'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Pericat, A.

R. 'Harmony Group'

Rhododendron Cultivar group

? x ?

Hybridized By: Aberconway, Lord

R. 'Harmony Mott'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Dosser, D.J.

R. 'Harnden's White'

Rhododendron Hybrid

R. 'Albatross Group' x R. 'Hawk Group'

Hybridized By: Greer, Harold E.

R. 'Harold Amateis'

Rhododendron Hybrid

R. maximum x R. strigillosum

Hybridized By: Amateis, Edmond

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R. 'Harold Epstein'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Waldman, P.M.

R. 'Harold Heal'

Rhododendron Hybrid

? x ?

Hybridized By: Ingram, C.

R. 'Harold Stockman'

Rhododendron Hybrid

? x ?

Hybridized By: Stockman, M.

R. 'Harold's Delight'

Vireya Hybrid

R. Pink Delight x R. intranervatum

R. 'Harold's Mojo'

Rhododendron Hybrid

R. 'Wilgen's Ruby' x R. 'Dexter's Spice'

Hybridized By: Stockman, M.

R. 'Harris Fascination'

Evergreen Azalea Hybrid

R. 'Grace Freeman No. 2' x R. 'Amagasa'

Hybridized By: Harris, J.O.

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R. 'Harris Parfait'

Evergreen Azalea Hybrid

R. 'Sherwoodii' x R. 'Fedora'

Hybridized By: Harris, J.O.

R. 'Harrisville'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

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R. 'Harry Bertram'

Rhododendron Hybrid

? x ?

Hybridized By: Standish & Noble

R. 'Harry Carter'

Rhododendron Hybrid

R. strigillosum x R. sutchuenense

Hybridized By: Greig, E.J.

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R. 'Harry Scanlon'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Pride, O.S.

R. 'Harry Tagg'

Rhododendron Hybrid

R. 'Albescens' x R. ciliicalyx ssp ciliicalyx

Hybridized By: Edinburgh, R.B.G.

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R. 'Harry Van de Ven'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Van de Ven, H.

R. 'Harry Wu'

Vireya Hybrid

R. zoelleri x R. leucogigas

Hybridized By: Sullivan, P.

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R. 'Hartley Luttrell'

Rhododendron Hybrid

? x ?

Hybridized By: Standish & Noble

R. hartleyi

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Haru-no-tsuki'

Evergreen Azalea Hybrid

? x ?

R. 'Haru-no-umi'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

R. 'Haruko'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Arends, W.

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R. 'Harvest Moon'

Rhododendron Hybrid

R. 'Mrs Lindsay Smith' x R. campylocarpum ssp campylocarpum

Hybridized By: Koster M. & Sons

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R. 'Harvest Moon'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

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R. 'Harwell'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Harwich'

Rhododendron Hybrid

? x ?

Hybridized By: Dexter, C.O.

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R. 'Harwood Dale'

Rhododendron Hybrid

R. 'C.I.S.' x R. 'Lem's Cameo'

Hybridized By: Mugridge, C.

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R. 'Has Pizzaz'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Hassan'

Rhododendron Hybrid

R. 'Carl Mette' x R. catawbiense

Hybridized By: Seidel, T.J.R.

R. hatamense

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Hatsu-giri'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

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R. 'Hatsu-no-hara'

Evergreen Azalea Hybrid

R. Tatsumi-no-hikari x R. Kusudama

Hybridized By: Japan

R. 'Hatsu-shimo'

Evergreen Azalea Hybrid

R. mucronatum var mucronatum x R. indicum

Hybridized By: Japan

R. 'Hatsu-shimo x Tama-sugata'

Evergreen Azalea Hybrid

R. 'Hatsu-shimo' x R. 'Tama-sugata'

R. 'Hatsune'

Rhododendron Hybrid

R. kawakamii x R. dauricum

Hybridized By: Hatori, M.

R. 'Hawaii'

Rhododendron Hybrid

? x ?

Hybridized By: Leach, Dr. David G.

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