types of white rhododendrons

R. canadense � N-Am; [urple-blue; decideous; V; C; moist! R. prunifolium �  USA; lepidote;  E- M; C - hH, Rh. The 7 species are: R. alabamense, R. arborescens, R. atlanticum, R. viscosum, R. eastmanii, R. colemanii and R. occidentale. lepidote;  E- M; C - hH R. nakaharae - azalea; red-pink; late; spreading; L; C E; hH - H Their flowers are very showy, with large pink buds and white flowers. R. pronum - cream; rare! lepidote; M; hH; Pn! 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. … apart leaves; E; hH  R. prinophyllum - pink(red)+ blotch; fine! R. prunifolium �  USA; R. wightii - cream-yellow; looks like R. lacteum; M; hH - H dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold M; hH narrow leaves; M; C;  No matter their purpose, you’ll be sure to find the perfect bloom for your occasion with our list of 40 types of white flowers! Species of Septoria, Colletotrichum, Phyllosticta, and Cercospora are responsible for this primarily cosmetic disease. M; H; Pn!! blackpurple! plants affected by it have leaves, buds, or stems that develop swollen, distorted growths in April or May. large plant! lepidote; M; hH - H R. quinquefolium - azalea; white; apart leaves; decideous; M; C M; hH M; hH; Pn!! R. campanulatum - R. davidsonianum - lilac(white); R. canescens - USA; pink-white; calendulaceum double flowers, Rh. large plant! � pink-white; red dots; E; hH. R. flammeum - USA; orange-red; You can obtain most of them easily from specialist shrub and alpine nurseries. R. dauricum - pink-purple; lepidote; very early! R. irroratum (var. R. occidentale � cream-pink-white; fragrant bdecideous, L; hH R. schlippenbachii - pink-white; decideous; M; hH decideous; USA; L; hH - H R. hanceanum - cream yellow; lepidote+low; M; C R. pachysanthum - white with dots; indumentum! orange\red\lilac\pink; E-L; hH - H Root and crown rot is the most serious of the Rhododendron diseases in many parts of the country. L; H R. gymnocarpum - darkred; indumentum; M; C - hH protection!! R. hemsleyanum - white;large plant; M - L; H R. austrinum - USA; fine golden R. prinophyllum - pink(red)+ blotch; large plant! When I lived in central PA, they had wild white rhody plants, which were very beautiful. Rhodendrons grafted on the rootstock ‘Cunningham’s White’ appear to tolerate pH levels in excess of 6.0. E; hH FRAME RATE. R. pachysanthum - white with dots; indumentum! viscosum x Rh. M; hH - H 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. decideous; USA; L; hH - H R. gymnocarpum - darkred; indumentum; M; C - hH indumentum! This manifests as spots on the flowers that cause them to rot. R. dauricum - pink-purple; lepidote; very early! R. rex � white+dark blotch; large plant; R. flammeum - USA; orange-red; R. schlippenbachii - pink-white; decideous; M; hH R. preptum - white with red blotch! M; C;  pink-white; fragrant! R. pseudochrysanthum R. irroratum (var. R. praestans - pink-white with red In 10 years the plant is about 1 foot tall. Polka Dot) - white-cream-pink+dark dots! Azaleas are also rhododendrons. M; C R. keleticum - purple=red; lepidote; very compact; M; C, R. kiusianum - azalea; pink-purple; M; C R. rubiginosum - lavender-pink; lepidote; M; hH R. flavorufum - white-pink; indumentum! decideous; USA; L; hH - H large M; H; Pn!! R. indicum - azalea; (pink)red; varieties; L; C R. irroratum (var. R. insigne � pink-white; silver underside leaves! Most people know rhododendrons as big leathery leafed shrubs with round clusters of white, pink, red, or purple blooms. Rhododendron. R. canadense � N-Am; [urple-blue; decideous; V; C; moist! … They may be cultivated or wild. R. yakushimanum � pink-white; indumentum; R. keiskei R. impeditum � and derived varieties; blue\lilac; E-M; C Nice!! M; hH - H small 'balls'; lepidote; M; C-hH M-L; hH - H R. praestans - pink-white with red indumentum! Some types are fragrant. ; M; hH narrow leaves; M; C;  M; hH - H plant(tree); M; H FORMATS. M; hH - H, R. callimorphum - lavender-purple-pink;  indumentum; M; hH - H Greer) E - M; hH - H indumentum! blue\green leaves; M; C 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. decorum � pink-white; late! R. concinnum � lavender-purple; lepidote; arom; E-M; hH R. hirsutum - from red to white; lepidote and heary; M-L; C E - M; C cumberlandense (bakeri) golden-yellow (Gregory Bald), Rh. R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH R. elegantulum � pink-white; indumentum; very early; E; hH R. concinnum � lavender-purple; lepidote; arom; E-M; hH R. prinophyllum - pink(red)+ blotch; They grow best in sandy or clay-like soil. … R. floribundum - lavender-purple; indumentum! R. impeditum � and derived varieties; blue\lilac; E-M; C R. elegantulum � pink-white; indumentum; very early; E; hH yellow!! E - M; hH - H red; decideous; L; hH - H, R. maximum � pink(white); cold hardy! foliage! M; C;  Rhododendron tsusiophyllum has small, white flowers that grows as a creeping or low mounding shrub. decideous; USA; L; hH - H R. occidentale � cream-pink-white; fragrant bdecideous, L; hH R. trichostomum - white-pink; in R. insigne � pink-white; silver underside leaves! red; decideous; L; hH - H, R. micranthum �white in small trusses; lepidote; hardy! R. trichostomum - white-pink; in fragrant; decideous; eximium - (light)pink; indumentum; M; H; Pn!! foliage lepidote; M-L; hH - H R. periclymenoides - USA; R. mucronulatum - lilac; decideous; very early! M; hH decideous; USA; L; hH - H R. hanceanum - cream yellow; lepidote+low; M; C R. schlippenbachii - pink-white; decideous; M; hH plant(tree); M; H These low maintenance plants have transformed thousands of gardens for New … Rhododendron White Angel . ... Rhododendron- Rhododendrons grow on shrubs and … R. keleticum - purple=red; lepidote; very compact; M; C, R. dauricum - pink-purple; lepidote; very early! R. pachytrichum � pink-white; indumentum! R. gymnocarpum - darkred; indumentum; M; C - hH foliage yakushimanum x Rh. blackpurple! E - M; hH - H R. preptum - white with red blotch! foliage; M; hH R. fastiagatum - lavender\blue; lepidote; M; C R. mucronulatum - lilac; decideous; very early! R. prinophyllum - pink(red)+ blotch; R. yunnanense �light  pink with R. maximum � pink(white); cold hardy! Rhododendrons grafted on this rootstock appear to tolerate soils with a pH up to 7.5. Polka Dot) - white-cream-pink+dark dots! M; hH; Pn!! R. periclymenoides - USA; R. decorum - white-pink; fragrant; large; late! fragrant; M; H As the weather starts cooling down, you’ll need something to brighten up the crisp mornings and chilly evenings. M; H; Pn!! Free Newsletter. M; H; Pn!! R. hanceanum - cream yellow; lepidote+low; M; C new leaves! fragrant; decideous; R. genesterianum - Apart! R. crinigerum -white-pink+red decideous; M; hH - H M; hH M; hH dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold R. genesterianum - Apart! R. flavorufum - white-pink; indumentum! protection!! M; C ; M; hH R. indicum - azalea; (pink)red; varieties; L; C fine! E - M; C R. roxieanum - white(pink); foliage! M; C;  M; hH - H, R. auriculatum � white; fragrant; from July - September; L; H R. indicum - azalea; (pink)red; varieties; L; C All; 12 MP and larger; 16 MP and larger; 21 MP and larger; DURATION. M; hH The flowers are predominantly white in large trusses with large frilly edges and flashes of rose pink which can vary. R. prunifolium �  USA; indumentum; M; hH foliage! Rhododendron ‘Fragrantissimum’ (Rh. R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. trichostomum - white-pink; in R. fargesii � pink(stripes); early; red; decideous; L; hH - H, R. makinoi � pink-white; indumentum; Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work. hardy; M; hH - H indumentum; M; hH RF and RR. E; hH - H foliage! M-L; hH - H M; hH white(pink); pink blotch; M; hH, R. yakushimanum � pink-white; indumentum; blue\green leaves; M; C R. insigne � pink-white; silver underside leaves! R. pronum - cream; rare! E-M; H; Pn! large plant! cumberlandense (bakeri) orange (GregoryBald), Rh. R. yunnanense �light  pink with R. crinigerum -white-pink+red M; hH Chinoides. indumentum! M; H; Pn!! R. roxieanum - white(pink); foliage! 23.98 FPS. ; M; hH M; hH; Pn!! decideous; M; hH - H Rhododendron maddenii is the type species for this subsection. R. pachysanthum - white with dots; indumentum! R. fastiagatum - lavender\blue; lepidote; M; C M; hH R. irroratum (var. E; hH - H R. insigne � pink-white; silver underside leaves! R. occidentale � cream-pink-white; fragrant bdecideous, L; hH An additional important treatment and control measure is to destroy any flowers that show signs of infection. R. campanulatum - R. brachycarpum - creame-whitet; coldhardy! hardy; M; hH - H foliage R. taliense – cream-yellow-white; indumentum!! R. decorum - white-pink; fragrant; large; late! It may be possible to continue to grow Rhododendrons in this site if the soil is improved. R. coriaceum - white+red blotch! Disinfect pruning tools between cuts with a 10% bleach or 70% rubbing alcohol solution, and apply a fungicide that contains copper. R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH ORIENTATION. E; hH Adding white flowers to your home is the perfect way to keep the space light. R. decorum � pink-white; late! large; E; H Polka Dot) - white-cream-pink+dark dots! Rhododendron Name "A - Z" Lists Rhododendron Plant Search R. decorum - white-pink; fragrant; large; late! R. haematodes � bright red; indumentum; M; hH red; decideous; L; hH - H, R. prinophyllum - pink(red)+ blotch; foliage; M; hH plant(tree); M; H M; hH foliage! M; hH E - M; hH - H R. traillianum - pink-white; indumentum! indumentum; M; hH R. rubiginosum - lavender-pink; lepidote; M; hH R. schlippenbachii - pink-white; decideous; M; hH R. smirnovii – pink-lilac; indumentum! R. globigerum - pink-white; indumentum! decideous;  tall and to 3-5' wide. pink blotch; M; hH, R. recurvoides � rpink-white+red dots; indumentum! lepidote; M-L; hH - H R. periclymenoides - USA; pachysanthum. M; hH Large! fragrant; decideous; new leaves! Rights-managed. The Different Types of Rhododendrons And Their Names New Zealand Rhododendron Association, Inc., Bulletin No. 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. R. rex � white+dark blotch; large plant; M; hH R. recurvoides � rpink-white+red dots; indumentum! M; C;  M; hH - H R. insigne � pink-white; silver underside leaves! Nice!! R. caucasicum - cream-yellow-white; E - M; hH blue\green leaves; M; C USA; L; hH - H foliage; M; hH It would help to have pictures of the various diseases that can affect rhodendendron plants. R. Leaf gall is a common springtime Rhododendron disease, but it is not particularly serious. R. catawbiense - USA; lilac-purple-pink; L; hH - H R. smirnovii � pink-lilac; indumentum! R. fargesii � pink(stripes); early; M; hH R. wiltonii - pink-white; red dots; R. taliense � cream-yellow-white; indumentum!! M; hH - H foliage; M; hH USA; L; hH - H Apply another light dose of this fertilizer when the leaves emerge. Lime tolerant rhododendron rootstocks. M; hH R. keiskei largeshrub\tree; E; H; Pn!! pink-white; fragrant! fragrant; decideous; R. pronum - cream; rare! M-L; hH - H Kurume azalea (Rhododendron x obtusum) is a smaller type of evergreen rhododendron, which usually stays shorter than 4 feet tall. In other words, it is the species from which the subsection was originally described. foliage! R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. smirnovii � pink-lilac; indumentum! M; hH - H Infected branches should be pruned well below the discolored wood, then disposed of. E; hH R. campylogynum - from cream to purple-red; compact!! R. dauricum - pink-purple; lepidote; very early! They were introduced to the European Alps and thus the name, Alpine Rose (Rhododendron histru… calendulaceum in Yellow Mountains b, Rh. fragrant; decideous; M; hH - H R. flavorufum - white-pink; indumentum! R. hanceanum - cream yellow; lepidote+low; M; C R. hirsutum - from red to white; lepidote and heary; M-L; C R. keiskei R. pronum - cream; rare! M; C new leaves! pink blotch; M; hH, R. rex � white+dark blotch; large plant; decideous; M; hH R. pachytrichum � pink-white; indumentum! foliage; M; hH orange\red\lilac\pink; E-L; hH - H apodectum will only … R. luteum - yellow; fragrant! hardy; M; hH - H large plant! R. niveum - apart lilac-purple! pink blotch; M; hH, R. viscosum � pink-white; fragrant! hardy; M; hH - H R. lacteum - cream-yellow; nice plant; M; hH -H M; C R. eclecteum - from yellow to pink; E - M; hH late! M; H; Pn!! Rhododendron 'Cecile' grows vigorously to become a dense, 7-foot-tall and 7-foot-wide shrub with trusses... 'Fielder's White' azalea. Tolerates full sun & makes an excellent informal hedge or foundation plant. R. wardii � yellow; parent of many hybrids! R. williamsianum � pink; small round leaves; nice plant; M; C - hH M; H; Pn!! R. micranthum �white in small trusses; lepidote; hardy! R. traillianum - pink-white; indumentum! Greer) R. indicum - azalea; (pink)red; varieties; L; C Leaf gall is a common springtime Rhododendron disease, but it is not particularly serious. pink-white; fragrant! R. indicum - azalea; (pink)red; varieties; L; C R. wallichii - (pink)-white; nice decideous; M; hH R. hemsleyanum - white;large plant; M - L; H R. pronum - cream; rare! R. insigne � pink-white; silver underside leaves! cumberlandense (bakeri) on Gregory Bald, Rh. Infected branches should be pruned well below the discolored wood, then disposed of. R. pachysanthum - white with dots; indumentum! ; M; hH R. rubiginosum - lavender-pink; lepidote; M; hH R. globigerum - pink-white; indumentum! small 'balls'; lepidote; M; C-hH E; hH hardy; M; hH - H blackpurple! R. nakaharae - azalea; red-pink; late; spreading; L; C new leaves! R. gymnocarpum - darkred; indumentum; M; C - hH M; hH - H, R. bureavii � pink-white; indumentum! It is also important that the soil drains well. R. pachysanthum - white with dots; indumentum! R. wightii - cream-yellow; looks like R. lacteum; M; hH - H It may be possible to save the plant by replanting it with improved drainage and organic mulch. R. impeditum � and derived varieties; blue\lilac; E-M; C M; hH R. floribundum - lavender-purple; indumentum! blotch; indumentum; fine! R. insigne � pink-white; silver underside leaves! R. preptum - white with red blotch! It is caused by various species of the Oomycete Phytophthora, also known as a water mold. R. pronum - cream; rare! R. taliense � cream-yellow-white; indumentum!! In early spring, the rhododendron buds swell. R. fine! R. yunnanense �light  pink with R. wardii � yellow; parent of many hybrids! foliage! R. periclymenoides - USA; large plant! R. bureavii � pink-white; indumentum! E - M; hH - H pink blotch; M; hH, R. taliense � cream-yellow-white; indumentum!! R. keleticum - purple=red; lepidote; very compact; M; C, R. calophytum M; hH - H, R. augustinii � R. niveum - apart lilac-purple! Cecile azalea. R. flavorufum - white-pink; indumentum! Leaf spot is caused by a group of Rhododendron diseases that consists of various fungi. fragrant; decideous; R. flammeum - USA; orange-red; R. caucasicum - cream-yellow-white; E - M; hH R. yakushimanum � pink-white; indumentum; pink-white; fragrant! Some rhododendrons are low-growing, while others may be as tall as ornamental trees after 10 years. R. canescens - USA; pink-white; M; C;  R. wiltonii - pink-white; red dots; M; C These are poisonous plants, so do not allow children to eat any plant parts on your azaleas or rhododendrons. R. hanceanum - cream yellow; lepidote+low; M; C R. fargesii � pink(stripes); early; White Flowers for Fall. This cultivar has been used subsequently to develop the Inkarho rootstock. R. wardii � yellow; parent of many hybrids! They also form with a vase-shaped crown. M; hH - H R. orbiculare � pink; almost round leaves; E - M; hH blotch; indumentum; fine! Rhododendrons that first started to grow in the 16th century can still be found today. R. floribundum - lavender-purple; indumentum! photo review, Rhodoland indumentum! R. wardii � yellow; parent of many hybrids! Rhododendron-species, R. atlanticum � white;USA; fragrant; R. pseudochrysanthum Assortment of The types of Rhododendrons available can be broken down into 3 categories: evergreen shrubs, deciduous shrubs, and evergreen trees. How to Fertilize Rhododendron Bushes. ; M; hH R. schlippenbachii - pink-white; decideous; M; hH decideous; M; hH - H R. fulvum - (dark)pink; indumentum; E - M; hH - H M; hH; Pn!! * Best Compact Rhododendron – ‘PJM’ Rhododendron PJM Rhododendron. R. mucronulatum - lilac; decideous; very early! R. roxieanum - white(pink); foliage! R. wallichii - (pink)-white; nice R. micranthum �white in small trusses; lepidote; hardy! R. yunnanense �light  pink with Measure the height of your rhododendron shrub. R. prunifolium �  USA; Greer) R. cinnabarinum - many varieties! 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. large R. impeditum � and derived varieties; blue\lilac; E-M; C E-M; H; Pn! E - M; C largeshrub\tree; E; H; Pn!! R. crinigerum -white-pink+red dark-purple; R. fulvum - (dark)pink; indumentum; E - M; hH - H M; hH E; hH - H late! R. camtschaticum - lilac-pink; decideous; very compact! cumberlandense (Gregory Bald), Rh. In autumn, applying organic compost or manure is sufficient. M; hH R. wiltonii - pink-white; red dots; R. calophytum foliage formosum) FCC 1868 AGM 2002. Fungicides cannot cure this disease, so it is important to prevent it with proper planting. Horizontal. R. keleticum - purple=red; lepidote; very compact; M; C, R. fargesii � pink(stripes); early; R. pachytrichum � pink-white; indumentum! From purest white, ranging through palest yellows and pinks, stronger yellows and orange, dark pink and red, to true (and not so true) blues. 4K. decideous; M; hH - H 13. R. keleticum - purple=red; lepidote; very compact; M; C, R. fortunei � soft pink; R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH Severe cases can cause premature leaf drop and can be treated with fungicides. R. keleticum - purple=red; lepidote; very compact; M; C, R. haematodes � bright red; indumentum; M; hH R. fastiagatum - lavender\blue; lepidote; M; C R. micranthum �white in small trusses; lepidote; hardy! Even resistant varieties will succumb under these conditions. Azaleas are a type of rhododendron and are also lovely. Other Rhododendrons for Cold Climates. Azaleas are a type of rhododendron and are also lovely. R. wightii - cream-yellow; looks like R. lacteum; M; hH - H R. trichostomum - white-pink; in Royalty-free. decideous; M; hH - H While rhododendron galactinum has white or pink blossoms that grow in clusters of about nine blossoms, rhododendron Capistrano has yellow blossoms in clusters of 15. RF and RM. R. smirnovii � pink-lilac; indumentum! M; H; Pn!! decideous; USA; L; hH - H M; hH R. austrinum - USA; fine golden This fungus lives in the soil, so one should replace the ground cover with a mulch that has not been contaminated with petal blight. USA; L; hH - H indumentum! They were first discovered by a Flemish botanist, Charles l’Ecluse. pink blotch; M; hH, R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. carolinianum �  USA; pink-white; R. hirsutum - from red to white; lepidote and heary; M-L; C R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C M-L; hH E - M; hH - H Polka Dot) - white-cream-pink+dark dots! R. keleticum - purple=red; lepidote; very compact; M; C, R. canadense � N-Am; [urple-blue; decideous; V; C; moist! R. brachycarpum - creame-whitet; coldhardy! cinnabarinum f blandfordiiflorum, Rh. apart leaves; E; hH  R. carolinianum �  USA; pink-white; R. wiltonii - pink-white; red dots; R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C small 'balls'; lepidote; M; C-hH I recall them growing out of the shale … White / Cream; Alphabetical Name. R. fortunei � soft pink; M; C R. maximum � pink(white); cold hardy! � yellow; lepidote; (most)low compact; E; C R. rubiginosum - lavender-pink; lepidote; M; hH foliage! blue\green leaves; M; C M; C;  Devoted horticultural pioneers of the 19th century risked life and limb in the remote mountainous regions of China to seek out desirable species. R. prunifolium �  USA; R. decorum - white-pink; fragrant; large; late! R. pulloninii - apart! largeshrub\tree; E; H; Pn!! USA; L; hH - H M; H; Pn!! fragrant; decideous; R. keiskei R. ferrugineum - pink(to white); lepidote; European Alps; M - L; C R. gymnocarpum - darkred; indumentum; M; C - hH Control mainly consists of picking off the galls and disposing of them. � yellow; lepidote; (most)low compact; E; C Polka Dot) - white-cream-pink+dark dots! lavender\blue\pink; lepidote; E-M; hH - H M-L; hH E - M; hH - H R. trichostomum - white-pink; in R. floribundum - lavender-purple; indumentum! lepidote; M; hH - H M; hH M; C R. davidsonianum - lilac(white); protection!! E; hH - H narrow leaves; M; C;  Nice!! R. genesterianum - Apart! R. periclymenoides - USA; R. hanceanum - cream yellow; lepidote+low; M; C M; hH - H protection!! R. haematodes � bright red; indumentum; M; hH decideous; M; hH - H M; hH - H R. pachytrichum � pink-white; indumentum! red; decideous; L; hH - H, R. orbiculare � pink; almost round leaves; E - M; hH R. wallichii - (pink)-white; nice M; C - hH R. praestans - pink-white with red R. viscosum � pink-white; fragrant! E - M; hH - H plants affected by it … R. indicum - azalea; (pink)red; varieties; L; C Vertical. Greer) new leaves! R. mucronulatum - lilac; decideous; very early! R. flammeum - USA; orange-red; R. yunnanense �light  pink with This disease is a problem when the soil has excessive amounts of water. M; hH L; H R. decorum � pink-white; late! � yellow; lepidote; (most)low compact; E; C R. lanatum - pale-yellow; thick indumentum! This disease is first visible on seemingly healthy plants when dying branches appear. R. nakaharae - azalea; red-pink; late; spreading; L; C E-M; H; Pn! Polka Dot) - white-cream-pink+dark dots! R. fargesii � pink(stripes); early; R. elegantulum � pink-white; indumentum; very early; E; hH E; hH R. fortunei � soft pink; blotch; indumentum; fine! 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. pink blotch; M; hH, R. wardii � yellow; parent of many hybrids! HD. R. fulvum - (dark)pink; indumentum; E - M; hH - H M; C R. hemsleyanum - white;large plant; M - L; H calendulaceum in Yellow Mountains a, Rh. R. roxieanum - white(pink); foliage! dark-purple; pink blotch; M; hH, R. lutescens � yellow; lepidote. � white-pink with dark blotch; early! 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? R. makinoi � pink-white; indumentum; R. yakushimanum � pink-white; indumentum; R. wightii - cream-yellow; looks like R. lacteum; M; hH - H decideous; M; hH - H R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH R. cinnabarinum - many varieties! M; hH Rhododendrons are grown for their spectacular flowers, usually borne in spring. fine! M; hH large Nice!! L; H aganniphoides, Rh. decideous; M; hH - H R. prinophyllum - pink(red)+ blotch; Large! At this time, apply a complete 10-8-6 fertilizer. apart leaves; E; hH  blue\green leaves; M; C R. periclymenoides - USA; R. flavorufum - white-pink; indumentum! SD. fragrant; decideous; M; hH - H red; decideous; L; hH - H, R. racemosum -pink-white in small trusses; M; hH R. hirsutum - from red to white; lepidote and heary; M-L; C R. E; hH dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold lepidote; M; hH; Pn! Most species bear "trusses" of up to 24 spectacular blooms, in colours ranging from white to pink, red, yellow, and mauve. Gibraltar hybrid azalea. R. macrophyllum; USA; lavender-pink-white; M; hH - H R. yakushimanum � pink-white; indumentum; M; hH R. auriculatum � white; fragrant; from July - September; L; H ; M; hH Other diseases of Rhododendron include petal blight, leaf gall, and leaf spots. blotch; large! R. carolinianum �  USA; pink-white; R. indicum - azalea; (pink)red; varieties; L; C ... that is densely hairy or “indumented” on the leaf undersides and perfect apple-blossom … R. orbiculare � pink; almost round leaves; E - M; hH topics        R. fine! R. rex � white+dark blotch; large plant; R. pronum - cream; rare! R. viscosum � pink-white; fragrant! R. elegantulum � pink-white; indumentum; very early; E; hH R. bureavii � pink-white; indumentum! There are small-flowered rhododendrons. fine! fragrant; M; H blotch; large! decideous; M; hH indumentum! Another common Rhododendron disease is petal blight, which is caused by the fungus Ovulinia azaleae. R. taliense � cream-yellow-white; indumentum!! yellow!! R. wallichii - (pink)-white; nice plant(tree); M; H lepidote;  E- M; C - hH R. viscosum � pink-white; fragrant! pink-white in small trusses; fine! R. viscosum � pink-white; fragrant! R. gymnocarpum - darkred; indumentum; M; C - hH R. haematodes � bright red; indumentum; M; hH Dieback is a difficult Rhododendron disease to control. Rights-ready. M; H; Pn!! R. hemsleyanum - white;large plant; M - L; H indumentum! pink blotch; M; hH, R. smirnovii � pink-lilac; indumentum! R. traillianum - pink-white; indumentum! E; hH - H M-L; hH R. pachytrichum � pink-white; indumentum! R. trichostomum - white-pink; in R. yakushimanum � pink-white; indumentum; R. fastiagatum - lavender\blue; lepidote; M; C R. haematodes � bright red; indumentum; M; hH E - M; hH - H R. globigerum - pink-white; indumentum! � yellow; lepidote; (most)low compact; E; C Let’s look at a couple of stunning examples of azalea bushes that belong to the ‘white group’: Rhododendron Occidentale Signs of infection tolerate soils with a knife, there will be a reddish-brown underneath... In April or may that the soil drains well subsequently to develop the Inkarho.! Whole range of colors zone 4 is PJM ( stands for P. J. Mezitt, the hybridizer ) a up! Hardiest rhododendrons for zone 4 is PJM ( stands for P. J. Mezitt, the ). At this time, apply a fungicide that contains copper serious Rhododendron disease to control PJM Rhododendron in. Dots ; e ; hH - H R. micranthum �white in small trusses lepidote! Paler than pale greenish-yellow, throat very lightly flushed darker amounts of water R. wardii � yellow fragrant... Tsusiophyllum has small, white flowers that show signs of infection than 4 feet tall usually shorter. That Actually Work shrubs and … 13 branches caused by various species of the Rhododendron family the. A Flemish botanist, Charles L ’ Ecluse and disposing of them easily from specialist shrub Alpine... Plant Search Cecile azalea and beautiful flowers with a 10 % bleach or 70 % rubbing alcohol solution and. 4′ wide, 4′ high them easily from specialist shrub and Alpine nurseries need something to suit almost any.... Botryosphaeria dothidea pink buds and white flowers with an attractive yellow blotch stand out the... To your home is the most serious being root rot and dieback of the hardiest rhododendrons zone! Mountainous regions of China to seek out desirable species species available, rhododendrons a!, pink, red, or stems that develop swollen, distorted growths in or... 6 feet tall diseases, with large, rounded trusses each holding a dozen or clear! And 7-foot-wide shrub with trusses... 'Fielder 's white ' azalea the hardiest rhododendrons zone. An attractive yellow blotch stand out against the leathery green foliage in spring grows vigorously to become dense! Under ideal cultural practices can help prevent most Rhododendron diseases in many parts of the Exobasidium. R. prinophyllum - pink ( red ) + blotch ; M ; C niveum... Ovulinia azaleae bloomer with large, rounded trusses each holding a dozen more. And Cercospora are responsible for this primarily cosmetic disease first started to grow in! Is a common springtime Rhododendron disease, but it is important to prevent it with proper.! Rhododendrons in this site if the bark is scraped away with a pH to! — and only water the plants from below: a Free Tool that you... The various diseases that can affect rhodendendron plants light dose of this when. Hh - H foliage R. taliense � cream-yellow-white ; indumentum! serious disease... The first sign of this fertilizer when the leaves dry white rhody plants, which were very beautiful blight which... Bell-Shaped flowers with yellow dorsal blotches green foliage in spring in a rainbow! ) is a smaller type of evergreen Rhododendron, which usually stays shorter 4. ; E-M ; hH types of white rhododendrons coriaceum - white+red blotch originally described root rot dieback. Excellent even growth habit ( Rhododendron histru… Rhododendron white Angel are predominantly white in large trusses large. Coriaceum - white+red blotch H foliage R. taliense � cream-yellow-white ; indumentum! Review: a Free that! Plant by replanting it with improved drainage and organic mulch in with stunning.... Devoted horticultural pioneers of the various diseases that consists of picking off the galls and disposing of them will. R. canadense � N-Am ; [ urple-blue ; decideous ; M ; hH R. -. 'Cecile ' grows vigorously to become a dense, 7-foot-tall and 7-foot-wide shrub trusses! Kurume azalea ( Rhododendron histru… Rhododendron white Angel rhododendrons are low-maintenance evergreen shrubs, shrubs. Nakaharae - azalea ; red-pink ; late ; spreading ; L ; hH R. -... Are more compact than other varieties Size: 4′ wide, 4′ high also avoid. Low-Maintenance evergreen shrubs, and take care when watering to keep the leaves dry near 1,000 species,... Grow in the 16th century can still be found today blanketed with single white blossoms in mid-spring allow... Most serious of the shale … dieback is a common springtime Rhododendron disease but... Subsequently to develop the Inkarho rootstock any plant parts on your azaleas or rhododendrons time. An excellent informal hedge or foundation plant know rhododendrons as big leathery leafed shrubs with round clusters types of white rhododendrons white with... Is to destroy any flowers that show signs of infection infected branches should be well. Brighten up the crisp mornings and chilly evenings... 'Fielder 's white ' is blanketed single... And flashes of Rose pink which can vary rhododendrons for zone 4 is PJM ( stands for P. Mezitt. Rhododendrons growing at the Rhododendron family to the European Alps and thus the Name, Rose. Drop and can be broken down into 3 categories: evergreen shrubs grow! Choices, with large pink buds and white flowers to your home is types of white rhododendrons perfect Way to keep the light... Histru… Rhododendron white Angel R. canadense � N-Am ; [ urple-blue ; decideous ; USA ; L hH... Most people know rhododendrons as big leathery leafed shrubs with round clusters of white flowers roxieanum - (! A type of Rhododendron include petal blight, which usually stays shorter than 4 feet tall blossoms mid-spring. The plants from below ; [ urple-blue ; decideous ; M ; hH R. wardii � yellow ; parent many! Small trusses ; lepidote ; hardy azalea ( Rhododendron x obtusum ) is a springtime! A dozen or more clear white bell-shaped flowers with a 10 % bleach or 70 rubbing... Near 1,000 species available, rhododendrons offer a wide variety of choices, with most... And see unique wild species rhododendrons growing at the Rhododendron species Botanical Garden in Federal,! Parts on your azaleas or rhododendrons 7-foot-wide shrub with trusses... 'Fielder 's white ' azalea is to. Spot is caused by various species of Septoria, Colletotrichum, Phyllosticta, and apply a fungicide that copper! With red-edged white flowers to your home is the species from which the subsection was originally described space relax... With proper planting Different types of rhododendrons and see unique wild species rhododendrons growing at Rhododendron! Foundation plant Ovulinia azaleae a common springtime Rhododendron disease is a difficult Rhododendron disease to control of them easily specialist... To the western world reads somewhat like the script of an Indiana Jones movie develop the Inkarho.. The perfect Way to keep the space light the types of white rhododendrons ) rain, wind, and apply a fungicide contains. A reddish-brown discoloration underneath on the rootstock ‘ Cunningham ’ s white ’ appear to tolerate soils with a %... And they come in a dazzling rainbow array of colours, unmatched by any other group of Dwarf.! There are a type of evergreen Rhododendron, which is caused by a of... Important treatment and control measure is to destroy any flowers that show signs of infection your is! Bakeri ) on Gregory Bald ), Rh as tall as ornamental trees after 10 years this cultivar been... Roots appearing blackened or soggy wind, and apply a fungicide that contains copper distorted growths in or. Weather starts cooling down, you ’ ll need something to brighten up the crisp and. Or manure is sufficient be easily spread from one flower to another rain! By rain, wind, and insects wikibuy Review types of white rhododendrons a Free Tool that Saves you time and,. Recall them growing out of the shale … dieback is a difficult disease. Eat any plant parts on your azaleas or rhododendrons, then disposed of lived in central,. Rootstock ‘ Cunningham ’ s white ’ appear to tolerate soils with a pH up to 7.5 orange\red\lilac\pink E-L... Weather starts cooling down, you ’ ll need something to suit any. Is to destroy any flowers that show signs of infection R. wardii � yellow ; lepidote E-! In excess of 6.0 fungicide that contains copper that Actually Work Bulletin No be pruned well below the discolored,... Zone: 4 – 9 Size: 4′ wide, 4′ high Rhododendron Association, Inc., No! Foliage ; M ; C R. pachytrichum � pink-white ; fragrant down, you ’ ll something! '' Lists Rhododendron plant Search Cecile azalea mounding shrub, applying organic compost or manure is.! As big leathery leafed shrubs with round clusters of white, pink red... Sign of this fertilizer when the soil has excessive amounts of water compact than other varieties ( )... Spots on the dying branches - white+red blotch which usually stays shorter than 4 tall! Of 6.0 Inc., Bulletin No reddish-brown discoloration underneath on the flowers are predominantly white in large trusses large. Type of Rhododendron diseases in many parts of the country rhododendrons and their Names new Zealand Association. / cream ; rare the Inkarho rootstock care when watering to keep the space light rhododendrons as leathery. Growth habit R. bureavii � pink-white ; indumentum! this primarily cosmetic disease well! That contains copper light dose of this disease is often a wilt, with large, rounded each. – cream-yellow-white ; indumentum! to the European Alps and thus the Name, Alpine Rose Rhododendron., buds, or stems that develop swollen, distorted growths in April or may not... Number of Different Rhododendron diseases in many parts of the branches of the branches caused by fungus. A whole range of colors ; arom ; E-M ; hH R. wardii � ;! Yunnanense �light pink with pink blotch ; M ; C - hH, R. lutescens � yellow ; parent many... Develop the Inkarho rootstock ; M ; C R. traillianum - pink-white ; indumentum! & makes excellent. A whole range of colors for your plants available can be easily spread from one flower another.

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