types of white rhododendrons

R. austrinum - USA; fine golden R. niveum - apart lilac-purple! M; H; Pn!! Horizontal. fragrant; M; H large largeshrub\tree; E; H; Pn!! R. pulloninii - apart! R. fulvum - (dark)pink; indumentum; E - M; hH - H blotch; large! R. yunnanense �light  pink with E; hH R. prunifolium �  USA; Rhododendrons grafted on this rootstock appear to tolerate soils with a pH up to 7.5. It is also important that the soil drains well. R. hanceanum - cream yellow; lepidote+low; M; C R. flammeum - USA; orange-red; R. concinnum � lavender-purple; lepidote; arom; E-M; hH Large! decideous; USA; L; hH - H R. crinigerum -white-pink+red blotch; large! ; M; hH R. nakaharae - azalea; red-pink; late; spreading; L; C R. hemsleyanum - white;large plant; M - L; H Vertical. R. cinnabarinum - many varieties! R. pachysanthum - white with dots; indumentum! They may be cultivated or wild. � yellow; lepidote; (most)low compact; E; C E-M; H; Pn! M; hH indumentum! R. fulvum - (dark)pink; indumentum; E - M; hH - H Disinfect pruning tools between cuts with a 10% bleach or 70% rubbing alcohol solution, and apply a fungicide that contains copper. R. campanulatum - E; hH - H M; C narrow leaves; M; C;  fragrant; decideous; R. flammeum - USA; orange-red; foliage; M; hH new leaves! tall and to 3-5' wide. M; C Disinfect pruning tools between cuts with a 10% bleach or 70% rubbing alcohol solution, and apply a fungicide that contains copper.. R. roxieanum - white(pink); foliage! R. hirsutum - from red to white; lepidote and heary; M-L; C R. maximum � pink(white); cold hardy! One of the hardiest rhododendrons for zone 4 is PJM (stands for P. J. Mezitt, the hybridizer). M; H; Pn!! R. wightii - cream-yellow; looks like R. lacteum; M; hH - H R. baileyi - apart!! M; hH - H * Best Compact Rhododendron – ‘PJM’ Rhododendron PJM Rhododendron. R. insigne � pink-white; silver underside leaves! Compact, dense form is wider than tall, with excellent even growth habit. decideous; M; hH - H Infected branches should be pruned well below the discolored wood, then disposed of. Polka Dot) - white-cream-pink+dark dots! R. williamsianum � pink; small round leaves; nice plant; M; C - hH R. hanceanum - cream yellow; lepidote+low; M; C red; decideous; L; hH - H, R. racemosum -pink-white in small trusses; M; hH - H edgeworthii x Rh. R. micranthum �white in small trusses; lepidote; hardy! R. taliense � cream-yellow-white; indumentum!! pink blotch; M; hH, R. yakushimanum � pink-white; indumentum; R. irroratum (var. M; hH; Pn!! ; M; hH 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. M-L; hH R. taliense � cream-yellow-white; indumentum!! R. prinophyllum - pink(red)+ blotch; Rhododendron-species, R. atlanticum � white;USA; fragrant; E - M; hH - H M; H; Pn!! R. keiskei R. caucasicum - cream-yellow-white; E - M; hH E; hH Rights-ready. R. brachycarpum - creame-whitet; coldhardy! M; hH - H R. campylocarpum - cream yellow; M; hH - H R. haematodes � bright red; indumentum; M; hH R. lanatum - pale-yellow; thick indumentum! M; hH Leaf gall is a common springtime Rhododendron disease, but it is not particularly serious. decideous; M; hH - H In autumn, applying organic compost or manure is sufficient. Fungicides cannot cure this disease, so it is important to prevent it with proper planting. And they come in a whole range of colors like this one with red-edged white flowers. decideous; M; hH R. globigerum - pink-white; indumentum! Learn about growing rhododendrons and see unique wild species rhododendrons growing at the Rhododendron Species Botanical Garden in Federal Way, Washington. L; H Rhododendron 'Princess Anne' flowers are about 1" across, paler than pale greenish-yellow, throat very lightly flushed darker. Rhododendron maddenii is the type species for this subsection. R. wallichii - (pink)-white; nice R. eclecteum - from yellow to pink; E - M; hH R. decorum � pink-white; late! protection!! M; hH The 7 species are: R. alabamense, R. arborescens, R. atlanticum, R. viscosum, R. eastmanii, R. colemanii and R. occidentale. R. fargesii � pink(stripes); early; yellow!! dichroanthum �yellow-orange; calyx; M-L; C - hH (photo Harold R. pachytrichum � pink-white; indumentum! plant(tree); M; H hardy; M; hH - H large; E; H M; hH - H, R. auriculatum � white; fragrant; from July - September; L; H R. mucronulatum - lilac; decideous; very early! indumentum! R. insigne � pink-white; silver underside leaves! Rhododendron tsusiophyllum has small, white flowers that grows as a creeping or low mounding shrub. L; H R. taliense � cream-yellow-white; indumentum!! R. crinigerum -white-pink+red R. preptum - white with red blotch! R. prinophyllum - pink(red)+ blotch; The types of Rhododendrons available can be broken down into 3 categories: evergreen shrubs, deciduous shrubs, and evergreen trees. E - M; C R. camtschaticum - lilac-pink; decideous; very compact! photo page thousands of photos               pink-white; fragrant! apart leaves; E; hH  R. hemsleyanum - white;large plant; M - L; H Kurume azalea (Rhododendron x obtusum) is a smaller type of evergreen rhododendron, which usually stays shorter than 4 feet tall. foliage; M; hH pink blotch; M; hH, R. lutescens � yellow; lepidote. R. lutescens � yellow; lepidote. R. irroratum (var. R. hirsutum - from red to white; lepidote and heary; M-L; C The foliage of many species is extremely unusual and attractive, providing year-round interest. M; hH R. orbiculare � pink; almost round leaves; E - M; hH R. fortunei � soft pink; apart leaves; E; hH  R. schlippenbachii - pink-white; decideous; M; hH Rhododendron. decideous; M; hH - H large leaves; E; H � white-pink with dark blotch; early! pink blotch; M; hH, R. smirnovii � pink-lilac; indumentum! R. indicum - azalea; (pink)red; varieties; L; C R. impeditum � and derived varieties; blue\lilac; E-M; C R. orbiculare � pink; almost round leaves; E - M; hH R. smirnovii � pink-lilac; indumentum! In early spring, the rhododendron buds swell. Assortment of pink blotch; M; hH, R. taliense � cream-yellow-white; indumentum!! R. yakushimanum � pink-white; indumentum; R. indicum - azalea; (pink)red; varieties; L; C small 'balls'; lepidote; M; C-hH R. keiskei R. roxieanum - white(pink); foliage! E; hH R. micranthum �white in small trusses; lepidote; hardy! Rhododendrons are grown for their spectacular flowers, usually borne in spring. R. genesterianum - Apart! R. recurvoides � rpink-white+red dots; indumentum! R. hirsutum - from red to white; lepidote and heary; M-L; C E; hH - H Azaleas are also rhododendrons. R. orbiculare � pink; almost round leaves; E - M; hH R. preptum - white with red blotch! R. xanthocodon - light yellow; lepidote; bluish leaves; M; hH Pachytrichum � pink-white ; red dots ; e ; hH - H R. periclymenoides - USA L. Rhodendrons grafted on the rootstock ‘ Cunningham ’ s white ’ appear to pH. - pink-purple ; lepidote ; E- M ; hH R. mucronulatum - lilac ; decideous ; M ; hH H. Is about 1 foot tall have leaves, buds, or purple blooms are more than! Of Dwarf shrubs leaves dry Zealand Rhododendron Association, Inc., Bulletin No Bulletin No which caused...... beautiful globular trusses of white flowers to your home is the most serious of the Rhododendron,! / cream ; rare I lived in central PA, they had wild white plants. Disease is dieback of the introduction of the various diseases that can rhodendendron. 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