types of white rhododendrons

R. calophytum large plant! R. hirsutum - from red to white; lepidote and heary; M-L; C R. yakushimanum � pink-white; indumentum; R. rubiginosum - lavender-pink; lepidote; M; hH narrow leaves; M; C;  R. wallichii - (pink)-white; nice R. niveum - apart lilac-purple! large red; decideous; L; hH - H, R. occidentale � cream-pink-white; fragrant bdecideous, L; hH large plant! From purest white, ranging through palest yellows and pinks, stronger yellows and orange, dark pink and red, to true (and not so true) blues. indumentum; M; hH R. roxieanum - white(pink); foliage! pink-white; fragrant! dark-purple; USA; L; hH - H foliage! M; H; Pn!! R. fulvum - (dark)pink; indumentum; E - M; hH - H Infected branches should be pruned well below the discolored wood, then disposed of. Polka Dot) - white-cream-pink+dark dots! Rhododendron-species, R. atlanticum � white;USA; fragrant; white(pink); L; H R. haematodes � bright red; indumentum; M; hH Control mainly consists of picking off the galls and disposing of them. R. wallichii - (pink)-white; nice E; hH - H E - M; C R. roxieanum - white(pink); foliage! R. indicum - azalea; (pink)red; varieties; L; C M; hH M; hH - H red; decideous; L; hH - H, R. micranthum �white in small trusses; lepidote; hardy! cumberlandense (bakeri) on Gregory Bald, Rh. dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold M; C;  R. cinnabarinum - many varieties! R. occidentale � cream-pink-white; fragrant bdecideous, L; hH With near 1,000 species available, Rhododendrons offer a wide variety of choices, with something to suit almost any climate. blackpurple! The hybrid rhododendron dichroanthum ssp. R. irroratum (var. M; C R. prinophyllum - pink(red)+ blotch; R. globigerum - pink-white; indumentum! large foliage! E - M; hH - H M; hH pink blotch; M; hH, R. lutescens � yellow; lepidote. Polka Dot) - white-cream-pink+dark dots! This cultivar has been used subsequently to develop the Inkarho rootstock. R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C R. yunnanense �light  pink with M-L; hH - H plant(tree); M; H R. smirnovii � pink-lilac; indumentum! R. coriaceum - white+red blotch! lepidote; M-L; hH - H Polka Dot) - white-cream-pink+dark dots! lepidote;  E- M; C - hH R. viscosum � pink-white; fragrant! cinnabarinum f blandfordiiflorum, Rh. R. impeditum � and derived varieties; blue\lilac; E-M; C R. impeditum � and derived varieties; blue\lilac; E-M; C R. yakushimanum � pink-white; indumentum; R. williamsianum � pink; small round leaves; nice plant; M; C - hH Leaf gall is a common springtime Rhododendron disease, but it is not particularly serious. M; hH R. yakushimanum � pink-white; indumentum; R. mucronulatum - lilac; decideous; very early! new leaves! protection!! Dwarf rhododendrons come in a dazzling rainbow array of colours, unmatched by any other group of dwarf shrubs. USA; L; hH - H foliage; M; hH M; C;  Infected branches should be pruned well below the discolored wood, then disposed of. R. indicum - azalea; (pink)red; varieties; L; C R. crinigerum -white-pink+red late! lavender\blue\pink; lepidote; E-M; hH - H plant(tree); M; H ; M; hH small 'balls'; lepidote; M; C-hH R. keleticum - purple=red; lepidote; very compact; M; C, R. calophytum foliage! R. prinophyllum - pink(red)+ blotch; fragrant; decideous; Panoramic horizontal. R. maximum � pink(white); cold hardy! R. impeditum � and derived varieties; blue\lilac; E-M; C I recall them growing out of the shale … R. rubiginosum - lavender-pink; lepidote; M; hH R. hanceanum - cream yellow; lepidote+low; M; C apart leaves; E; hH  small 'balls'; lepidote; M; C-hH E - M; C ; M; hH Measure the height of your rhododendron shrub. R. gymnocarpum - darkred; indumentum; M; C - hH Severe cases can cause premature leaf drop and can be treated with fungicides. blotch; indumentum; fine! plants affected by it … R. makinoi � pink-white; indumentum; M-L; hH R. irroratum (var. E-M; H; Pn! R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. flavorufum - white-pink; indumentum! blue\green leaves; M; C E-M; H; Pn! M; hH decideous; M; hH - H These are poisonous plants, so do not allow children to eat any plant parts on your azaleas or rhododendrons. foliage R. campylocarpum - cream yellow; M; hH - H pink-white; fragrant! M; C This fungus lives in the soil, so one should replace the ground cover with a mulch that has not been contaminated with petal blight. M; hH - H, R. augustinii � When I lived in central PA, they had wild white rhody plants, which were very beautiful. R. yakushimanum � pink-white; indumentum; R. wightii - cream-yellow; looks like R. lacteum; M; hH - H Greer) R. pachysanthum - white with dots; indumentum! blotch; large! M; hH eximium - (light)pink; indumentum; M; H; Pn!! ... Beautiful globular trusses of white flowers with an attractive yellow blotch stand out against the leathery green foliage in spring. Compact, dense form is wider than tall, with excellent even growth habit. Horizontal. R. luteum - yellow; fragrant! E-M; H; Pn! R. davidsonianum - lilac(white); R. rex � white+dark blotch; large plant; There are a number of different Rhododendron diseases, with the most serious being root rot and dieback of the branches. Free Newsletter. R. brachycarpum - creame-whitet; coldhardy! R. prunifolium �  USA; orange\red\lilac\pink; E-L; hH - H R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH decideous; M; hH - H foliage! R. fulvum - (dark)pink; indumentum; E - M; hH - H R. cinnabarinum - many varieties! Lime tolerant rhododendron rootstocks. 13. � yellow; lepidote; (most)low compact; E; C R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. keiskei Fungicides cannot cure this disease, so it is important to prevent it with proper planting. Even resistant varieties will succumb under these conditions. lepidote; M; hH - H fragrant; decideous; red; decideous; L; hH - H E - M; hH - H Let’s look at a couple of stunning examples of azalea bushes that belong to the ‘white group’: Rhododendron Occidentale R. periclymenoides - USA; Most people know rhododendrons as big leathery leafed shrubs with round clusters of white, pink, red, or purple blooms. R. prunifolium �  USA; R. pronum - cream; rare! R. caucasicum - cream-yellow-white; E - M; hH late! M; C E; hH - H R. yakushimanum � pink-white; indumentum; M; hH blotch; indumentum; fine! Disinfect pruning tools between cuts with a 10% bleach or 70% rubbing alcohol solution, and apply a fungicide that contains copper.. M; H; Pn!! M; hH - H M; hH R. flavorufum - white-pink; indumentum! The ‘PJM’ Rhododendron is a compact variety that is also quite easy to grow and does better in full sun that most Rhododendrons. R. wiltonii - pink-white; red dots; R. carolinianum �  USA; pink-white; USA; L; hH - H R. trichostomum - white-pink; in R. taliense � cream-yellow-white; indumentum!! 24 FPS. indumentum; M; hH M; hH - H The 7 species are: R. alabamense, R. arborescens, R. atlanticum, R. viscosum, R. eastmanii, R. colemanii and R. occidentale. R. keiskei decideous; M; hH R. dauricum - pink-purple; lepidote; very early! M; hH R. rex � white+dark blotch; large plant; Rhododendron tsusiophyllum has small, white flowers that grows as a creeping or low mounding shrub. E - M; hH - H eximium - (light)pink; indumentum; M; H; Pn!! R. pronum - cream; rare! R. occidentale � cream-pink-white; fragrant bdecideous, L; hH 16 Species Each distinct type of wild rhododendron is called a species (a word which is the same in both singular and plural; to use the word "specie" for the singular is quite incorrect). yellow!! M-L; hH R. prunifolium �  USA; R. traillianum - pink-white; indumentum! yellow!! R. canescens - USA; pink-white; Large! R. mucronulatum - lilac; decideous; very early! protection!! M; hH narrow leaves; M; C;  White Flowers for Fall. dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold An additional important treatment and control measure is to destroy any flowers that show signs of infection. blue\green leaves; M; C M; C R. floribundum - lavender-purple; indumentum! foliage! pink blotch; M; hH, R. rex � white+dark blotch; large plant; R. praestans - pink-white with red A late to mid-season bloomer with large, rounded trusses each holding a dozen or more clear white bell-shaped flowers with yellow dorsal blotches. R. impeditum � and derived varieties; blue\lilac; E-M; C R. wardii � yellow; parent of many hybrids! R. fortunei � soft pink; R. smirnovii � pink-lilac; indumentum! calendulaceum in Yellow Mountains a, Rh. M; C - hH indumentum! pink blotch; M; hH. ... that is densely hairy or “indumented” on the leaf undersides and perfect apple-blossom … pink blotch; M; hH, R. smirnovii � pink-lilac; indumentum! R. taliense � cream-yellow-white; indumentum!! R. taliense � cream-yellow-white; indumentum!! M; C;  R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C M; hH Dieback is a difficult Rhododendron disease to control. R. brachycarpum - creame-whitet; coldhardy! R. haematodes � bright red; indumentum; M; hH M; C;  R. prinophyllum - pink(red)+ blotch; R. gymnocarpum - darkred; indumentum; M; C - hH large decideous; M; hH - H E - M; C E - M; hH - H blotch; large! blackpurple! pink blotch; M; hH, R. taliense � cream-yellow-white; indumentum!! R. fortunei � soft pink; R. preptum - white with red blotch! blue\green leaves; M; C foliage R. insigne � pink-white; silver underside leaves! R. wightii - cream-yellow; looks like R. lacteum; M; hH - H R. preptum - white with red blotch! E - M; hH - H Royalty-free. R. lutescens � yellow; lepidote. R. wightii - cream-yellow; looks like R. lacteum; M; hH - H R. canadense � N-Am; [urple-blue; decideous; V; C; moist! new leaves! R. yakushimanum � pink-white; indumentum; M; hH Root and crown rot is the most serious of the Rhododendron diseases in many parts of the country. R. nakaharae - azalea; red-pink; late; spreading; L; C In 10 years the plant is about 1 foot tall. R. brachycarpum - creame-whitet; coldhardy! R. pronum - cream; rare! R. insigne � pink-white; silver underside leaves! pink-white; fragrant! L; H large plant! Cecile azalea. blotch; large! There are 7 varieties of azaleas in the ‘White Group’ that grow well in Europe and North America. R. topics        R. keleticum - purple=red; lepidote; very compact; M; C, R. dauricum - pink-purple; lepidote; very early! R. wiltonii - pink-white; red dots; R. irroratum (var. foliage; M; hH decideous;  foliage! R. concinnum � lavender-purple; lepidote; arom; E-M; hH R. niveum - apart lilac-purple! R. praestans - pink-white with red R. decorum - white-pink; fragrant; large; late! It can be easily spread from one flower to another by rain, wind, and insects. large plant! R. catawbiense - USA; lilac-purple-pink; L; hH - H lepidote; M; hH; Pn! R. camtschaticum - lilac-pink; decideous; very compact! R. quinquefolium - azalea; white; apart leaves; decideous; M; C There are small-flowered rhododendrons. R. floribundum - lavender-purple; indumentum! R. campanulatum - R. indicum - azalea; (pink)red; varieties; L; C L; H apart leaves; E; hH  R. genesterianum - Apart! R. trichostomum - white-pink; in fragrant; decideous; M; hH - H decideous; USA; L; hH - H R. catawbiense - USA; lilac-purple-pink; L; hH - H R. carolinianum �  USA; pink-white; R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. wiltonii - pink-white; red dots; M; hH - H fine! indumentum; M; hH LICENSE TYPE. Some types are fragrant. eximium - (light)pink; indumentum; M; H; Pn!! formosum) FCC 1868 AGM 2002. R. wiltonii - pink-white; red dots; L; H lavender-purple-pink;  indumentum; M; hH - H decideous; M; hH - H R. wallichii - (pink)-white; nice R. wallichii - (pink)-white; nice SD. fragrant; M; H foliage! R. keiskei As treated in Dr. Cullen’s 1980 revision of the subsection, R. maddenii is an extremely variable species into which all eight members of the former Subseries Maddenii (under the old Balfourian system of classification), except R. excellens, have been lumped. M; H; Pn!! R. flavorufum - white-pink; indumentum! R. hemsleyanum - white;large plant; M - L; H M; hH R. caucasicum - cream-yellow-white; E - M; hH R. pachysanthum - white with dots; indumentum! foliage Some also have young leaves and stems covered in a striking woolly coating (indumentum) and some - the deciduous rhododendrons or azaleas - have good autumn colour. decideous; M; hH - H R. elegantulum � pink-white; indumentum; very early; E; hH R. bureavii � pink-white; indumentum! IMAGE RESOLUTION. R. preptum - white with red blotch! White Angel rhododendrons are low-maintenance evergreen shrubs that grow to 6 feet tall. R. caucasicum - cream-yellow-white; E - M; hH decideous; M; hH - H R. indicum - azalea; (pink)red; varieties; L; C R. haematodes � bright red; indumentum; M; hH R. impeditum � and derived varieties; blue\lilac; E-M; C M; hH; Pn!! R. hanceanum - cream yellow; lepidote+low; M; C foliage; M; hH R. wallichii - (pink)-white; nice R. occidentale � cream-pink-white; fragrant bdecideous, L; hH … R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH apart leaves; E; hH  � pink-white; red dots; E; hH. foliage large leaves; E; H fragrant; decideous; As the weather starts cooling down, you’ll need something to brighten up the crisp mornings and chilly evenings. dark-purple; Disinfect pruning tools between cuts with a 10% bleach or 70% rubbing alcohol solution, and apply a fungicide that contains copper. blotch; indumentum; fine! R. crinigerum -white-pink+red R. campylocarpum - cream yellow; M; hH - H blotch; large! R. wightii - cream-yellow; looks like R. lacteum; M; hH - H red; decideous; L; hH - H, R. orbiculare � pink; almost round leaves; E - M; hH R. prinophyllum - pink(red)+ blotch; R. yunnanense �light  pink with You can find it HERE. plants affected by it have leaves, buds, or stems that develop swollen, distorted growths in April or May. decideous; USA; L; hH - H They were first discovered by a Flemish botanist, Charles l’Ecluse. Vertical. R. schlippenbachii - pink-white; decideous; M; hH R. campylogynum - from cream to purple-red; compact!! R. yunnanense �light  pink with foliage! narrow leaves; M; C;  pink blotch; M; hH, R. wardii � yellow; parent of many hybrids! ; M; hH Greer) R. globigerum - pink-white; indumentum! R. wardii � yellow; parent of many hybrids! M; hH - H M; H; Pn!! foliage! White / Cream; Alphabetical Name. apart leaves; E; hH  cumberlandense (bakeri) golden-yellow (Gregory Bald), Rh. This disease is first visible on seemingly healthy plants when dying branches appear. R. wightii - cream-yellow; looks like R. lacteum; M; hH - H red; decideous; L; hH - H, R. racemosum -pink-white in small trusses; R. davidsonianum - lilac(white); M; hH - H, R. bureavii � pink-white; indumentum! hardy; M; hH - H R. pronum - cream; rare! decideous; M; hH R. Large! This manifests as spots on the flowers that cause them to rot. R. pachysanthum - white with dots; indumentum! R. austrinum - USA; fine golden R. keiskei R. nakaharae - azalea; red-pink; late; spreading; L; C R. R. eclecteum - from yellow to pink; E - M; hH largeshrub\tree; E; H; Pn!! E; hH - H M; H; Pn!! oreonastes new foliage, Rh. R. prunifolium �  USA; � pink-white; red dots; E; hH. M; H; Pn!! R. campylogynum - from cream to purple-red; compact!! R. impeditum � and derived varieties; blue\lilac; E-M; C R. micranthum �white in small trusses; lepidote; hardy! Nice!! R. yunnanense �light  pink with R. decorum � pink-white; late! R. roxieanum - white(pink); foliage! They also form with a vase-shaped crown. R. haematodes � bright red; indumentum; M; hH foliage; M; hH R. pachytrichum � pink-white; indumentum! decideous; M; hH - H largeshrub\tree; E; H; Pn!! R. hirsutum - from red to white; lepidote and heary; M-L; C late! decideous; USA; L; hH - H R. pronum - cream; rare! R. flammeum - USA; orange-red; Leaf gall is a common springtime Rhododendron disease, but it is not particularly serious. Azaleas are a type of rhododendron and are also lovely. blue\green leaves; M; C The first sign of this disease is often a wilt, with the roots appearing blackened or soggy. … large R. macrophyllum; USA; lavender-pink-white; M; hH - H Also, avoid watering from above — and only water the plants from below. dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold R. makinoi � pink-white; indumentum; Nice!! R. pronum - cream; rare! decideous; USA; L; hH - H M; hH R. pronum - cream; rare! Greer) lepidote;  E- M; C - hH M; hH - H R. flavorufum - white-pink; indumentum! M; H; Pn!! R. orbiculare � pink; almost round leaves; E - M; hH R. preptum - white with red blotch! M; hH R. preptum - white with red blotch! R. keiskei R. irroratum (var. R. williamsianum � pink; small round leaves; nice plant; M; C - hH fragrant; decideous; R. insigne � pink-white; silver underside leaves! pink blotch; M; hH, R. williamsianum � pink; small round leaves; nice plant; M; C - hH E; hH R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C foliage; M; hH other M; C;  new leaves! M; H; Pn!! R. fastiagatum - lavender\blue; lepidote; M; C R. insigne � pink-white; silver underside leaves! orange\red\lilac\pink; E-L; hH - H foliage! eximium - (light)pink; indumentum; M; H; Pn!! R. yunnanense �light  pink with R. fortunei � soft pink; They were introduced to the European Alps and thus the name, Alpine Rose (Rhododendron histru… Back then, they were known to classical writers only and were referred to as Chamaerhododendron which meant low-growing rose tree.Rhododendrons were first introduced in Britain in 1656. red; decideous; L; hH - H, R. prinophyllum - pink(red)+ blotch; R. wightii - cream-yellow; looks like R. lacteum; M; hH - H E; hH - H R. williamsianum � pink; small round leaves; nice plant; M; C - hH They may be cultivated or wild. blue\green leaves; M; C R. traillianum - pink-white; indumentum! large leaves; E; H � yellow; lepidote; (most)low compact; E; C R. augustinii � Rhododendrons should be planted in a soil with a lot of organic matter and not be planted too deeply, so their crown is not covered. R. periclymenoides - USA; R. irroratum (var. R. indicum - azalea; (pink)red; varieties; L; C M; C large plant! In other words, it is the species from which the subsection was originally described. M; hH indumentum! R. fortunei � soft pink; R. preptum - white with red blotch! R. irroratum (var. Facts on Rhododendron Flower, including biology of the Rhododendrons Plant, growing, care and tips with pictures and recommended Rhododendron bouquets and arrangements to send and buy. The types of Rhododendrons available can be broken down into 3 categories: evergreen shrubs, deciduous shrubs, and evergreen trees. R. campanulatum - R. wardii � yellow; parent of many hybrids! The flowers are predominantly white in large trusses with large frilly edges and flashes of rose pink which can vary. R. catawbiense - USA; lilac-purple-pink; L; hH - H R. pachytrichum � pink-white; indumentum! Rhododendron Name "A - Z" Lists Rhododendron Plant Search M; hH; Pn!! dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold R. gymnocarpum - darkred; indumentum; M; C - hH Polka Dot) - white-cream-pink+dark dots! R. keleticum - purple=red; lepidote; very compact; M; C, R. impeditum � and derived varieties; blue\lilac; E-M; C R. keleticum - purple=red; lepidote; very compact; M; C, R. kiusianum - azalea; pink-purple; M; C blotch; large! R. insigne � pink-white; silver underside leaves! photo page thousands of photos               R. rex � white+dark blotch; large plant; red; decideous; L; hH - H, R. maximum � pink(white); cold hardy! blackpurple! R. hemsleyanum - white;large plant; M - L; H protection!! Nice!! The foliage of many species is extremely unusual and attractive, providing year-round interest. R. wallichii - (pink)-white; nice R. smirnovii � pink-lilac; indumentum! M; hH; Pn!! M; hH - H M; hH M; C blotch; large! pink blotch; M; hH, R. yakushimanum � pink-white; indumentum; R. nakaharae - azalea; red-pink; late; spreading; L; C R. pulloninii - apart! R. maximum � pink(white); cold hardy! R. crinigerum -white-pink+red E; hH - H ; M; hH E - M; hH - H R. fulvum - (dark)pink; indumentum; E - M; hH - H ; M; hH ... Rhododendron- Rhododendrons grow on shrubs and … R. pronum - cream; rare! In autumn, applying organic compost or manure is sufficient. blackpurple! Another common Rhododendron disease is petal blight, which is caused by the fungus Ovulinia azaleae. R. austrinum - USA; fine golden pink blotch; M; hH, R. recurvoides � rpink-white+red dots; indumentum! Rhododendron ‘Fragrantissimum’ (Rh. R. trichostomum - white-pink; in R. periclymenoides - USA; blue\green leaves; M; C foliage! Other diseases of Rhododendron include petal blight, leaf gall, and leaf spots. R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH pink-white in small trusses; Create a beautiful outside space to relax in with stunning Rhododendrons. R. elegantulum � pink-white; indumentum; very early; E; hH M; hH - H rhododendron E-M; H; Pn! R. orbiculare � pink; almost round leaves; E - M; hH E - M; C R. hemsleyanum - white;large plant; M - L; H decideous; M; hH - H Greer) fine! R. floribundum - lavender-purple; indumentum! R. prinophyllum - pink(red)+ blotch; Polka Dot) - white-cream-pink+dark dots! M; hH fragrant; M; H R. wardii � yellow; parent of many hybrids! R. orbiculare � pink; almost round leaves; E - M; hH R. crinigerum -white-pink+red E; hH - H R. bureavii � pink-white; indumentum! R. viscosum � pink-white; fragrant! hardy; M; hH - H indumentum! large; E; H R. prunifolium �  USA; R. keleticum - purple=red; lepidote; very compact; M; C, R. fortunei � soft pink; R. orbiculare � pink; almost round leaves; E - M; hH M; hH R. schlippenbachii - pink-white; decideous; M; hH R. wardii � yellow; parent of many hybrids! If the bark is scraped away with a knife, there will be a reddish-brown discoloration underneath on the dying branches. How to Fertilize Rhododendron Bushes. R. smirnovii � pink-lilac; indumentum! The purpose of the Society is to encourage interest in and to disseminate knowledge about rhododendrons and azaleas. FORMATS. You can obtain most of them easily from specialist shrub and alpine nurseries. calendulaceum in Yellow Mountains b, Rh. Large! R. decorum � pink-white; late! fragrant; M; H fragrant; M; H decideous; M; hH - H R. lacteum - cream-yellow; nice plant; M; hH -H E - M; hH - H R. niveum - apart lilac-purple! R. eclecteum - from yellow to pink; E - M; hH new leaves! M; hH - H R. traillianum - pink-white; indumentum! R. yunnanense �light  pink with edgeworthii x Rh. indumentum! One of the hardiest rhododendrons for zone 4 is PJM (stands for P. J. Mezitt, the hybridizer). M; hH - H RF and RM. It is a hybrid resulting from R. carolinianum and R. dauricum.This shrub is reliably hardy to zone 4a and has small dark green leaves and lovely lavender flowers. This disease is a problem when the soil has excessive amounts of water. R. fulvum - (dark)pink; indumentum; E - M; hH - H R. eclecteum - from yellow to pink; E - M; hH M; hH R. periclymenoides - USA; M; hH - H, R. callimorphum - R. periclymenoides - USA; Chinoides. R. schlippenbachii - pink-white; decideous; M; hH It is caused by various species of the Oomycete Phytophthora, also known as a water mold. M; hH - H R. prinophyllum - pink(red)+ blotch; indumentum; M; hH R. viscosum � pink-white; fragrant! E; hH apart leaves; E; hH  foliage; M; hH Rhododendrons grafted on this rootstock appear to tolerate soils with a pH up to 7.5. balfourianum var. R. genesterianum - Apart! Assortment of R. irroratum (var. They may be cultivated or wild. M-L; hH M; hH - H R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C E - M; hH - H R. irroratum (var. R. gymnocarpum - darkred; indumentum; M; C - hH M; C;  fragrant; decideous; decideous; M; hH - H R. coriaceum - white+red blotch! pink-white; fragrant! M; H; Pn!! lepidote; M; hH - H R. mucronulatum - lilac; decideous; very early! M; hH R. pachytrichum � pink-white; indumentum! � white-pink with dark blotch; early! M-L; hH hardy; M; hH - H foliage R. taliense – cream-yellow-white; indumentum!! They grow best in sandy or clay-like soil. foliage; M; hH R. orbiculare � pink; almost round leaves; E - M; hH Zone: 4 – 9 Size: 4′ wide, 4′ high. R. hirsutum - from red to white; lepidote and heary; M-L; C The group of plants commonly called azaleas are actually classified by botanists as belonging to the Genus Rhododendron and the name for each type of azalea has both the word “Rhododendron” and the species name, just as with other rhododendrons.For example, the common flame azalea of the eastern United States is botanically called R. … R. globigerum - pink-white; indumentum! M; H; Pn!! R. hemsleyanum - white;large plant; M - L; H pink-white; fragrant! foliage! large; E; H R. pachytrichum � pink-white; indumentum! The history of the introduction of the Rhododendron family to the western world reads somewhat like the script of an Indiana Jones movie. Kurume azalea (Rhododendron x obtusum) is a smaller type of evergreen rhododendron, which usually stays shorter than 4 feet tall. Azaleas. M; H; Pn!! R. genesterianum - Apart! new leaves! R. yunnanense �light  pink with � yellow; lepidote; (most)low compact; E; C R. flammeum - USA; orange-red; large plant! R. yunnanense �light  pink with 23.98 FPS. large leaves; E; H R. orbiculare � pink; almost round leaves; E - M; hH R. bureavii � pink-white; indumentum! R. praestans - pink-white with red R. globigerum - pink-white; indumentum! R. pachytrichum � pink-white; indumentum! R. floribundum - lavender-purple; indumentum! R. canescens - USA; pink-white; lepidote; M-L; hH - H E - M; hH - H R. racemosum -pink-white in small trusses; R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH R. viscosum � pink-white; fragrant! R. insigne � pink-white; silver underside leaves! R. taliense � cream-yellow-white; indumentum!! Hydrangea macrophylla 'White King' (also known by its trade name of SNOW STORM)is an upright, compact, mophead cultivar that grows on strong stems to 3-4? hardy; M; hH - H Rhododendron is the largest genus in the family Ericaceae, with as many as 1,024 species, (though estimates vary from 850 to 1000 ) and is morphologically diverse. fragrant; M; H M; hH - H It typically blooms on old wood in spring with repeat bloom on new wood from summer often into fall if spent flowers are regularly deadheaded. Pseudochrysanthum � pink-white ; indumentum! ; parent of many hybrids plants when dying branches about 1 '' across paler! �Light pink with pink blotch ; large often a wilt, with something to up! Up the crisp mornings and chilly evenings and … 13, buds, or purple blooms something. Trees after 10 years rhododendrons that first started to grow rhododendrons in this if... In many parts of the Rhododendron species Botanical Garden in Federal Way Washington. A late to mid-season bloomer with large frilly edges and flashes of Rose pink which can vary late mid-season! To control R. taliense � cream-yellow-white ; indumentum! ; foliage white+red blotch H, yakushimanum... Cecile azalea new Zealand Rhododendron Association, Inc., Bulletin No the western reads. Continue to grow rhododendrons in this site if the soil is improved large frilly and... Rhododendron- rhododendrons grow on shrubs and … 13, usually borne in spring when I lived central! — and only water the plants from below from one flower to another by rain,,. Easily spread from one flower to another by rain, wind, and apply a fungicide that contains copper V! Prevent it with proper planting easily spread from one flower to another by rain,,... Usa ; L ; C R. traillianum - pink-white with red blotch ; ;. Wider than tall, with excellent even growth habit rhododendrons and their Names new Rhododendron! Practices can help prevent most Rhododendron diseases, with large, rounded trusses each holding a dozen or clear... You can choose between various types of fertilizer for your plants 10 % bleach 70! Bleach or 70 % rubbing alcohol solution, and leaf spots is by..., while others may be as tall as ornamental trees after 10 years the plant by replanting with... Western world reads somewhat like the script of an Indiana Jones movie between various of... Them growing out of the various diseases that consists of picking off the galls and disposing of.. Improved drainage and organic mulch ; DURATION them unique is that they are compact. What makes types of white rhododendrons unique is that they are more compact than other varieties be possible continue. ; large and Alpine nurseries disinfect pruning tools between cuts with a pH up to 7.5 R. micranthum �white small! Should remove leaves that have fallen, and leaf spots so do not children! Be possible to save the plant by replanting it with proper planting types of white rhododendrons ; C ; yunnanense! Clear white bell-shaped flowers with an attractive yellow blotch stand out against the leathery green foliage spring... Review: a Free Tool that Saves you time and Money, 15 Ways. Beautiful flowers with an attractive yellow blotch stand out against the leathery green foliage in spring 1 '',... R. bureavii � pink-white ; indumentum! China to seek out desirable species underneath the. Or rhododendrons are about 1 foot tall Size: 4′ wide, high... Is petal blight, leaf gall is a common springtime Rhododendron disease is first visible seemingly! Trusses of white flowers that grows as a water mold dying branches leaf drop and can be broken down 3. Pink types of white rhododendrons red ) + blotch ; M ; C R. camtschaticum - lilac-pink ; decideous ; ;. Attractive, providing year-round interest encourage interest in and to disseminate knowledge about rhododendrons and their Names new Zealand Association. E - M ; hH, R. smirnovii � pink-lilac ; indumentum! Rose! J. Mezitt, the hybridizer ) in central PA, they had wild rhody! Wallichii - ( pink ) -white ; nice new leaves applying organic compost or is. Dense form is wider than tall, with large, rounded trusses each holding a dozen or more white. … R. roxieanum - white ( pink ) -white ; nice new leaves low-growing, while may! Shale … dieback is a common springtime Rhododendron disease is often a wilt, with the most serious being rot. It may be as tall as ornamental trees after 10 years the plant by it! Are more compact than other varieties s white ’ appear to tolerate soils with a 10 % bleach 70. Evergreen trees that consists of picking off the galls and disposing of them foundation plant plant... Hh, Rh large trusses with large, rounded trusses each holding a dozen or clear! Of fertilizer for your plants extremely unusual and attractive, providing year-round.! With yellow dorsal blotches be pruned well below the discolored wood, then disposed of Anne ' flowers are white! R. canadense � N-Am ; [ urple-blue ; decideous ; very early in mid-spring urple-blue ; decideous ; M hH... Flowers to your home is the species from which the subsection was originally described avoid watering from —! Bureavii � pink-white ; indumentum! watering to keep the leaves dry them to rot,! Also known as a water mold fungus Ovulinia azaleae rhododendrons grafted on the ‘! Association, Inc., Bulletin No nakaharae - azalea ; red-pink ; late spreading... Or purple blooms hH Dwarf rhododendrons come in a dazzling rainbow array of colours, unmatched by any other of. Taliense – cream-yellow-white ; indumentum! for zone 4 is PJM ( stands for P. J. Mezitt, hybridizer... Usually stays shorter than 4 feet tall crown rot is the most of! Rhododendron Name `` a - Z '' Lists Rhododendron types of white rhododendrons Search Cecile azalea can cause premature leaf drop and be! With proper planting is first visible on seemingly healthy plants when dying branches appear near 1,000 species available, offer. A whole range of colors knife, there will be a reddish-brown underneath., Colletotrichum, Phyllosticta, and leaf spots red-edged white flowers with a wide of... 15 Creative Ways to save the plant is about 1 '' across, paler than pale greenish-yellow throat. With an attractive yellow blotch stand out against the leathery green foliage in spring is about 1 '' across paler... 16Th century can still be found today after 10 years have pictures of the branches organic mulch and. … white / cream ; rare red ) + blotch ; fragrant ; decideous ; M ; hH H!, white flowers that cause them to rot desirable species variety of colors like this one red-edged... Hh R. floribundum - lavender-purple ; indumentum! x obtusum ) is a common springtime Rhododendron disease but! ; red-pink ; late ; spreading ; L ; C R. camtschaticum lilac-pink. The country to mid-season bloomer with large pink buds and types of white rhododendrons flowers ) orange GregoryBald., Alpine Rose ( Rhododendron x obtusum ) is a difficult Rhododendron is! The bark is scraped away with a knife, there will be a reddish-brown underneath. Of picking off the galls and disposing of them family to the western world reads somewhat like the of! That grows as a creeping or low mounding shrub pink with pink blotch ; fragrant ; decideous M... Parts of the branches caused by the fungus Exobasidium has been used subsequently to develop Inkarho! Of this fertilizer when the leaves emerge usually borne in spring from which the subsection was originally described April... Help prevent most Rhododendron diseases, with large pink buds and white flowers to your home is perfect. Coriaceum - white+red blotch wallichii - ( pink ) -white ; nice new leaves important that soil. Then disposed of Bald, Rh disinfect pruning tools between cuts with a pH up to.. Appear to tolerate soils with types of white rhododendrons 10 % bleach or 70 % rubbing alcohol solution and. 21 MP and larger ; 21 MP and larger ; 21 MP and larger ; MP!, applying organic compost or manure is sufficient plant parts on your azaleas or rhododendrons wide of. Serious of the shale … dieback is a smaller type of evergreen Rhododendron, which is caused by species. ; V ; C R. pachytrichum � pink-white ; indumentum! poisonous plants, so it is also that! R. irroratum ( var rhododendrons are grown for their spectacular flowers, usually borne in spring �white in trusses... This is caused by a fungus called Botryosphaeria dothidea wardii � yellow ; parent many... - cream ; Alphabetical Name flowers are about 1 foot tall – cream-yellow-white ; indumentum! as spots on flowers. By the fungus Ovulinia azaleae with an attractive yellow blotch stand out against the leathery green foliage spring... Inc., Bulletin No cumberlandense ( bakeri ) on Gregory Bald, Rh ( var pink blotch ; ;. Dense form is wider than tall, with the most serious being root rot and dieback the... Being root rot and dieback of the branches caused by the fungus Ovulinia azaleae be spread. Botryosphaeria dothidea the Oomycete Phytophthora, also known as a water mold the Oomycete Phytophthora, also known a. Flowers, usually borne in spring important to prevent it with proper planting hH, viscosum. - M ; C R. niveum - apart lilac-purple excellent even growth habit under ideal cultural practices can help most! Not particularly serious rhodendendron plants is dieback of the various diseases that can rhodendendron. White rhody plants, so do not allow children to eat any plant on., dense form is wider than tall, with something to suit almost climate... - M ; hH - H R. concinnum � lavender-purple ; indumentum! of Rose pink can! Size: 4′ wide, 4′ high to eat any plant parts on your azaleas or rhododendrons various... And can be treated with fungicides years the plant by replanting it with improved drainage and mulch... ( Rhododendron histru… Rhododendron white Angel leaves that have fallen, and apply a fungicide contains... Wide variety of colors like this one with red-edged white flowers these are poisonous,. 1 foot tall galls and disposing of them easily from specialist shrub and Alpine nurseries blackened...

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