Rhododendron Index

R. intranervatum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'intranervatum x aurigerum'

Vireya Hybrid

R. intranervatum x R. aurigeranum ssp aurigeranum

R. 'intranervatum x Pink Delight'

Vireya Hybrid

R. intranervatum x R. 'Pink Delight'

R. intricatum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

R. 'Intrifast Group'

Rhododendron Cultivar group

R. intricatum x R. fastigiatum

Hybridized By: Lowinsky T.H.

R. inundatum

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

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R. invictum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Heliolepida

R. 'Invitation'

Rhododendron Hybrid

R. 'Anita Dunstan' x R. 'Lem's Cameo'

Hybridized By: Barlup, Jim

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R. 'Invitation's Gift'

Rhododendron Hybrid

R. 'yakushimanum x lacteum' x R. 'Powder Snow'

Hybridized By: Barlup, Jim

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R. 'Iona Campagnolo'

Rhododendron Hybrid

R. 'Etta Burrows' x R. Fusilier

Hybridized By: Round, J.

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R. 'Iona Cee'

Rhododendron Hybrid

R. 'Haida Gold' x R. 'Golden Star'

Hybridized By: Wright, H.R.

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R. 'Iora'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Waterer, H. (Knaphill)

R. 'Irby'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Pratt, M.C.

R. 'Irene'

Rhododendron Hybrid

? x ?

Hybridized By: Guldemond

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R. 'Irene Bain'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'May Day'

Hybridized By: Yeates, J.S.

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R. 'Irene Koster'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Koster & Co.

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R. 'Irene Stead'

Rhododendron Hybrid

R. 'Loderi Group' x R. 'Loderi Group'

Hybridized By: Stead, E.F.

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R. 'Irian Jaya'

Vireya Hybrid

R. viriosum x R. 'Pink Delight'

R. 'Iris Prizeman'

Rhododendron Hybrid

R. 'Jervis Bay' x R. 'China Group'

Hybridized By: Prizeman, G.J.N

R. 'Irish Cream'

Evergreen Azalea Hybrid

R. 'George Lindley Taber' x R. 'Janet Rhea'

Hybridized By: Vines,R.C.

R. 'Irish Lass'

Deciduous Azalea Hybrid

? x ?

Hybridized By: Frisbie, L.F.

R. 'Irma'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Vervaene, D.

R. 'Irmelies'

Rhododendron Hybrid

R. 'Oudijk's Sensation' x R. 'Marinus Koster'

Hybridized By: Hachmann, Hans

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R. 'Irohayama'

Evergreen Azalea Hybrid

? x ?

Hybridized By: Japan

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R. 'Irresistible Impulse'

Rhododendron Hybrid

R. 'Mars' x R. 'Purple Splendour'

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R. irroratum ssp irroratum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

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R. irroratum ssp irroratum 'Caarse'

Rhododendron Species Selection

R. irroratum ssp irroratum 'Polka Dot'

Rhododendron Species Selection

Selected By: Rothschild, Edmund Leopold de

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R. irroratum ssp irroratum 'Spatter Paint'

Rhododendron Species Selection

R. irroratum ssp kontumense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

R. irroratum ssp pogonostylum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

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R. irroratum ssp yiliangense

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Irrorata

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R. 'Isaac Newton'

Rhododendron Hybrid

? x ?

R. 'Isabel Pierce'

Rhododendron Hybrid

R. 'Anna' x R. 'Lem's Goal'

Hybridized By: Pierce, Lawrence

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R. 'Isabella Group'

Rhododendron Cultivar group

R. griffithianum x R. auriculatum

Hybridized By: Loder, G.H.

R. 'Isabella Maria'

Evergreen Azalea Hybrid

R. 'Carol Kitten' x R. 'Girard's Fuchsia'

Hybridized By: Klimavicz, J.F.

R. 'Isadora'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Koichiro Wada' x R. 'Cynthia'

Hybridized By: Heinje, D.

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R. 'Isaphan Group'

Rhododendron Cultivar group

R. 'Fabia Group' x R. wardii var wardii

Hybridized By: Rothschild, L. de

R. 'Isar'

Rhododendron Hybrid

? x ?

R. 'Island Canoe'

Rhododendron Hybrid

? x ?

Hybridized By: Whitman, M.J.

R. 'Island Echoes'

Rhododendron Hybrid

? x ?

Hybridized By: Whitman, M.J.

R. 'Island Fire'

Rhododendron Hybrid

? x ?

Hybridized By: Whitman, M.J.

R. 'Island Song'

Rhododendron Hybrid

R. 'Arthur Bedford' x R. 'War Dance'

Hybridized By: Whitman, M.J.

R. 'Isola Bella'

Rhododendron Hybrid

R. fletcherianum 'Yellow Bunting' x R. dauricum 'Arctic Pearl'

Hybridized By: Brueckner, J.B.

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R. 'Isolde'

Evergreen Azalea Hybrid

R. simsii var simsii 'Vittatum' x R. 'Alice'

Hybridized By: Morrison, B.Y.

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R. 'It's Special'

Rhododendron Hybrid

? x ?

Hybridized By: Delp Weldon E.

R. 'Italia Group'

Rhododendron Cultivar group

R. 'Duke of York' x R. griersonianum

Hybridized By: Hobbie, Dietrich G.

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R. 'Itokurenai'

Evergreen Azalea Hybrid

? x ?

R. 'Itty Bitty'

Evergreen Azalea Hybrid

R. 'Elsie Lee x Dorsett' x R. 'Helen Curtis'

Hybridized By: Clagett, W.L. (Buck)

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R. 'Ivan D. Wood'

Rhododendron Hybrid

R. 'King of Shrubs x Fawn' x R. 'Dido Group'

Hybridized By: Coker, R.J. Mrs.

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