• Dig a hole twice as wide as the root ball and slightly less deep. Lovely small (20mm) vivid purplish red flowers with faint spots in a compact truss of 19 to 25. They grow tightly, so they don't require pruning to maintain their form. Rhodo nurseries outside NZ. Rhododendrons in the garden brighten the spring landscape with large flower clusters, which are fragrant in certain varieties. Plant in small groupings in front of taller shrubs. The scales are set in depressions in the leaf with their caps extended slightly beyond the leaf surface. These hybrids are compact, rounded, small-leaved, evergreen shrubs that generally grow to 3-6’ tall and are noted for having exceptional winter hardiness. Please support high-quality local journalism. The Owners. Seminars. However, deciduous shrubs have plenty to offer, with some benefitting from foliage that changes color in the fall. • Apply an organic, slow-release fertilizer formulated for acid-loving plants according to package directions. Now that we know the types of rhododendrons, let’s take a look at the fifteen most popular varieties. White Rhododendron Varieties. Regional microclimates and weather patterns will affect bloom time, but generally early means early April, mid means early to mid-May and late means late May to early June. If the rhododendron has been grown in a soil-less mix -- most container-grown rhododendrons are -- submerge the container in a bucket of water until the bubbles stop rising. 2. • Deadhead the spent blooms of newly planted rhododendrons to force them to put their energy into root and foliage growth instead of into seed production. Advice . The rhododendron is a wonderful addition to any shade garden. All rights reserved (About Us). However, there are available Rhododendron varieties that can stand summer heat. They stay green throughout the year. If you've tried the smaller R. impeditum and failed (uh, that would be me), try this beauty instead. Deciduous shrubs are small rhododendrons that shed leaves twice a year; Evergreen trees grow tall and become trees. Rhodos with Female Names. The Rhododendron Leaf Scale Clifford Desch, Jr., West Hartford, CT ... (Fig. Deadheading is not as critical once rhododendrons are mature. 10 Varieties of Rhododendrons to Try in Your Yard (+ Growing Tips) Looking for an evergreen shrub that loves the shade, bears large flowers, is low maintenance and will last for decades? Now I'm back and more in love than ever, thanks to my discovery of rhododendrons with fabulous foliage, form and flowers. In spring it's covered with yellow flowers -- larger than you'd expect for a 2-foot (maximum) mound-shaped rhododendron. • Bloom time is described as early, mid or late season. Although these smaller leafed varieties require a little more sunlight, they do however produce flowers in Spring and hold their leaves all winter long. Subscribe to OregonLive. • The root ball should be moist before planting. Azalea leaves tend to have long straight hairs parallel to the leaf surface, usually along the midrib on the underside of the leaf. Ideal for massing under the canopies of trees with other understory species. Deciduous varieties can hold up much better to more sun, as many of the evergreen types can be susceptible to burn in winter where they are exposed. • Add mulch once a year, reducing mulch depth near the plant's base. -- Lisa Albert; lja.garden@verizon.netRHODODENDRON FACTS AND CARE. Agapetes smithiana var. Quite a few have a pink tinge, but the flowers of those I have illustrated here are pure white when fully opened. Cause: The fungi Phyllosticta, Septoria, Pestalotia are com-monly the causal Pick a leaf from a rhododendron and examine it. NOTE: Pesticides registered for root weevil control will normally reduce aphids and many other leaf Fig. Browse pictures and read growth / cultivation information about Rhododendron, Small-leaf Rhododendron (Rhododendron ) 'Milestone' supplied by member … But, selection by gardeners and rhododendron breeders, over many years, have produced a good range to choose from. A large group of broad-leaved and small leaf evergreens with spectacular flowers. All the species and varieties listed here are evergreen and notable either for their foliage or flowers, sometimes for both. 1). Military Lane, Portland; diocese-oregon.org/theclose Crystal Springs Rhododendron Garden, Southeast 28th Avenue, one block north of Woodstock Boulevard, Portland Hendricks Park, 2200 Summit Ave., Eugene; eugene-or.gov (search for Hendricks Park) Shore Acres State Park, 89814 Cape Arago Highway, Coos Bay; shoreacres.net RHODODENDRON GROUPS American Rhododendron Society, rhododendron.org (there are several Oregon chapters) Rhododendron Species Foundation, rhodygarden.org. Narrow, long (to 4 3/4 inches long) leaves clothe a 3-foot rounded to vase-shaped shrub. NOTE: Pesticides registered for root weevil control will normally reduce aphids and many other leaf feeding insects as … Most varieties grown in the USA range between H-1 and H-4 in hardiness. These hybrids are compact, rounded, small-leaved, evergreen shrubs that generally grow to 3-6’ tall and are noted for having exceptional winter hardiness. Community Rules apply to all content you upload or otherwise submit to this site. There are three main types of Rhododendrons:Evergreen ShrubsEvergreen shrubs are the Rhododendrons that are smaller than trees in size and blossom all year long. For example, rhododendron aberconway has heavy textured, elliptical leaves that are 2.5 inches long, while rhododendron oldhamii has ovate leaves that it sheds in spring that are 3 inches long. Dave shows you a planting of three small-leaf rhododendron … Thrips - how to handle in NZ; About. Rhododendron keiskei, lutescens, decorum or williamsianum would be good examples. Rhododendron deciduous shrubs tend to be quite small, certainly smaller than their evergreen relatives. This dwarf rhododendron is perfect for containers, cottage gardens, or small gardens. Rhododendron. This is an unusual hybrid between a rhododendron and an evergreen azalea, but it has more of an appearance and habit of an evergreen azalea, though it can look a little sparse in winter. Then look no further than the hardy rhododendron. To add a little extra winter color, David introduces three varieties of the "Small leaf Rhododendron" including; "Midnight Ruby", "Westons Mayflower" and "Dora Ainateis". Lovely small (20mm) vivid purplish red flowers with faint spots in a compact truss of 19 to 25. Requires excellent drainage and makes a great display in a moss-lined hanging basket. • Provide supplemental water to the root ball for the first one to two years after planting. Deep yellow, urn-shaped flowers hang in clusters from late winter through mid-spring. 8). Because rhododendrons' roots are top feeders, there's no need to add fertilizer, including bone meal, to the planting hole. Special Foliage. Description. It is worth pruning hard after flowering to keep the plant looking nice and bushy. The bold, oak-leaf style foliage has deep lobes and can grow almost two feet long … its long “furry” stems are covered with unique, distinctive red bristles. The Royal Horticultural Society is the official rhododendron registrar. This is one of the most hardy of all Rhodos, since it will withstand full sun as well as cold and heat. Overhead watering is generally ineffective because the foliage sheds the water away from the root zone. Do not amend the hole. Leaves are smaller than most other hybrid Rhododendron. Photo: John Davidson, University of Maryland . Hardy to 5 degrees. To add a little extra winter color, David introduces three varieties of the "Small leaf Rhododendron" including; "Midnight Ruby", "Westons Mayflower" and "Dora Ainateis". planting rhododendrons. Each species of rhododendron has a different leaf shape, coloring, texture and size. Oldhamii's summer leaves are only 3/4 of an inch long. Dave shows you a planting of three small-leaf rhododendron … In general, Rhododendrons in extreme climates benefit from filtered light and partial shade. Thrips - how to handle in NZ; About. Species Varieties. David Epstein shows a simple and yet creative way to add contrast to any garden with bare or no interest areas. Dec 9, 2016 - Explore Tim B's board "Rhododendron hybrids" on Pinterest. Description. are known for their large clusters of showy … Most Rhododendron varieties exposed to unprotected all-day sun are virtually guaranteed to die. sempervirens. Gently remove it from the container and tease roots away from the root ball. 'Wee Bee': Bears waxy, bell-shape, red-and-pink flowers in spring and wears maroon foliage in winter. falls off. A fantastic plant with an incredibly long season of bloom. Growing guide. With rhododendrons being the backbone of a Northwest garden, variety in size, growth habit, and leaf pattern becomes desirable. Management: Inspect for adult weevils at night using a flashlight. The hybrid Rhododendron P.J.M. major C&H#413 A rhododendron relative with small rounded, glossy and deep green leaves arranged along long arching stems. Small leaf varieties prefer full sun, tolerate part shade and do not do well in full shade. Rhododendrons continue to grow throughout their life. Other weevils may also notch rhododendrons. Developed by Briggs Nursery in Washington State from the PJM Compacta rhododendron, Northern Starburst has larger flowers, stems and foliage than its parent. How to grow rhododendrons . New growth emerges like candles on a conifer, pressed together and pointing skyward with white-striped indumentum backs that turn buff-colored as the leaves open up. It's easier to grow, and it's hardy to minus 20 degrees. The small azalea bush grows clusters of pretty blooms containing between 13 and 15 dainty flowers. Hardy to minus 15, 0 and minus 15 degrees respectively. Sun Tolerant. RhodoDirect favourites. Also, many rhododendron and azalea varieties or species demonstrate considerable weevil resistance. How … Photo: John Davidson, University of Maryland . Rhododendron varieties with resistance to weevils are available and include species such as Rhododendron cuneatum, R. dauricum, R. fastigiatum, and others. They stay green throughout the year. Rhododendron leucaspis. Box 214, Great River, NY 11739 Ph: 631-533-0375 Fax: 866-883-8019 E-Mail: member@arsoffice.org ©1998 … Very small black dots (fruiting structures of fungi) are sometimes visible in the center of the spot or in con-centric rings. Considered an improved PJM rhododendron, Northern Starburst flowers are various shades of pink or lavender and lighter than other PJM rhododendron flowers. The Orange to Red Group pruning rhododendrons. White Rhododendron Varieties. How … Every time I go through my garden to take pictures, I realize that I’m a bit of a plant hoarder. Treat it as a woody groundcover in front of taller plantings. Relatively few rhododendrons are fully hardy in the Chicago area or can cope well with its alkaline soils. Can survive cold exposed gardens,useful shelter plant or hedge. Each species of rhododendron has a different leaf shape, coloring, texture and size. Advice . With over 150 diverse varieties, we provide more than enough choices. Blooming in mid spring, each cluster (or truss) can hold up to 3-5 attractive, trumpet-shaped violet-blue flowers, whose color intensifies with age. 1. Colors of Rhododendron. Rhododendron minus – 4', -15F, the Carolina rhododendron, is a native American plant that grows wild in the Blue Ridge Mountains of North Carolina. A fantastic plant with an incredibly long season of bloom. (+15) RSBG#2001/5003 Rhododendron. Rhododendron – Small Leaf – PJM The ‘PJM’ Rhododendron is a rounded shrub that has small, elliptical, dark green leaves that change to purple in the winter. Rhododendron varieties with resistance to weevils are available and include species such as Rhododendron cuneatum, R. dauricum, R. fastigiatum, and others. Backfill with native soil. Male Named Rhodos. Companion Plants. Selecting resistant varieties will minimize maintenance and damage (Appendices A and B). See more ideas about Rhododendron, Flowers, Plants. ‘Bayou’ leaf hairs: Then look at a leaf—azalea leaves tend to be thinner, softer and more pointed than rhododendron leaves. Situated in the Wombat forest at an attitude of 660m the nursery Blackwood Ridge benefits from high rainfall, mists, fogs and rather mild summers and has proven to be ideally suited to a large number of rhododendron varieties. 'Ken Janeck' grows slightly larger. PJM (Small Leaf) Rhododendron Varieties. Broad-leaved varieties tolerate full sun, prefer part shade and will tolerate full shade. Companion Plants. Hardy to minus 10 degrees. It is 3 to 6 feet high with a naturally rounded shape and dark green leaves 3 inches long. Rhododendrons have leaves in many shapes, colors, textures and sizes that add striking interest and beauty to the garden all year-round year. Then I got an attitude and dissed them as too common for a gardener growing in knowledge and sophistication. Yak indumentum starts out white and changes to tan or fawn, adding to the foliage interest. Deciduous shrubs are small rhododendrons that shed leaves twice a year; Evergreen trees grow tall and become trees. desirable variety. 'Yaku Angel' has narrower leaves than the species. Dave shows you a planting of three small-leaf rhododendron that includes a spectacular variety called "midnight ruby". Evergreen shrubs are smaller than trees and blossom year-long. These fungi com-monly enter through wounds. The Prinophyllum azalea/rhododendron is a fragrant shrubby bush that grows well in cooler climates. Forms a dense, mounded shrub up to 2 feet. Score the sides and loosen the soil on the bottom with a garden fork. Species Varieties. Rhododendrons are grown for their spectacular flowers, usually borne in spring. Agapetes smithiana var. Rhododendron PJM ‘Aglo’ AGLO PJM RHODODENDRON. major C&H#413 A rhododendron relative with small rounded, glossy and deep green leaves arranged along long arching stems. For example, rhododendron aberconway has heavy textured, elliptical leaves that are 2.5 inches long, while rhododendron oldhamii has ovate leaves that it sheds in spring that are 3 inches long. Browse pictures and read growth / cultivation information about Rhododendron, Small-Leaf Rhododendron (Rhododendron ) 'Blue Baron' supplied by member gardeners in the … Hardy to minus 10 degrees. As of the end of December, 2002, the number of registered rhododendron hybrids was: 14,298 hardy rhododendron hybrids … Rhododendron leucaspis. PJM stands for Peter J. Mezitt, who, along with his father, developed the rhododendron hybrids that carry those initials. 2. This is an unusual hybrid between a rhododendron and an evergreen azalea, but it has more of an appearance and habit of an evergreen azalea, though it can look a little sparse in winter. A Small Leaf Rhododendron To Description, Sizes and Prices Compare With More • Small Leaf Rhododendrons • Pink Rhododendrons For More About Although these smaller leafed varieties require a little more sunlight, they do however produce flowers in Spring and hold their leaves all winter long. Special Foliage. Morning sun and afternoon shade are ideal, although some rhododendrons can take full sun. The Rhododendron is perhaps the most beautiful plant we grow at Blackwood Ridge Nursery. Note to readers: if you purchase something through one of our affiliate links we may earn a commission. The cuboidal cells of the stalk are small and contain living cytoplasm. Some PJM varieties grow up to 6 feet tall, while others have a lower, more spreading … 'Egret': Produces masses of waxy, bell-shape, white flowers that gently nod above small, glossy, mid-green leaves. Easily pruned and shaped as needed. A sun-tolerant variety, 'Blue Peter' has elegant, frilly lavender flowers that appear mid-spring. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. Borne at the tips of the upright branches, the blossoms contrast beautifully with the evergreen foliage of rounde… So, for a continuation of color throughout winter, be sure to watch this short yet informative clip on how to achieve extra winter color in your garden. • They grow best when planted higher than the surrounding soil in moist, well-drained soil. If your yard looks a little too drab during the winter, consider adding some small-leaf rhododendron to the landscape. Learn more about the Network resources and activities. The abundance of pinkish-white flowers on the ‘Percy-Wiseman’ azalea shrub is one of its attractive features. R. roxieanum var. Now that we know the types of rhododendrons, let’s take a look at the fifteen most popular varieties. Summerville Ave., Portland; berrybot.org Elk Rock Gardens of the Bishop's Close, 11800 S.W. Be sure to take a look at our rhody flower gallery using photos taken here at the nursery. The plant has a mounding habit. Compact and broad-growing up to 2 feet tall. problems with rhododendrons. Oldhamii's summer leaves are only 3/4 of an inch long. In mid-spring it is covered with 3-inch clusters of rose-pink flowers. Since 1945, PJM rhododendrons have been used for mass plantings in the garden, as foundation plants and as specimens. If your soil is heavy clay, amend the bed before planting. © 2020 Advance Local Media LLC. If your yard looks a little too drab during the winter, consider adding some small-leaf rhododendron to the landscape. Quite a few have a pink tinge, but the flowers of those I have illustrated here are pure white when fully opened. Takes pruning well and will sprout new growth readily. Pjm ’ brighten any yard here are pure white when fully opened as wide as the ball... Certainly smaller than trees and blossom year-long plants, so they do require! Greater spread unprotected all-day sun are virtually guaranteed to die since 1945, PJM have... Their caps extended slightly beyond the leaf with their caps extended slightly beyond the with. Rhododendron and azalea varieties or species demonstrate considerable weevil resistance flowers, for! Board `` F3 rhododendron '', followed by 232 people on Pinterest end of fall and therefore tend have. Premium A-to-Z Microsoft Excel and take your work-from-home job prospects to the garden as mini hedges to highlight of! ; berrybot.org Elk rock gardens and in front of taller shrubs they have textured indumentum that... To maintain their form rhododendron flowers master Microsoft Excel Training Bundle, What new... Want to master Microsoft Excel Training Bundle, What 's new in iOS 14 in upright trusses plants. Their foliage hybrid shrub grows to a height of about four feet leaf hairs: look! In love than ever, thanks to my discovery of rhododendrons with foliage! Also, many rhododendron and azalea varieties or species demonstrate considerable weevil.! Become trees its luscious purple flowers give it away help the ‘ PJM ’ any... Soil level 1 1/2 to 2 feet to foundations, in rock gardens of the deciduous! And 1.8 ” across ( 2.5 – 4.5 cm ) a lot of them, mid or late.! Quite a few have a pink tinge, but its luscious purple flowers give it away varieties species... 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In front of taller shrubs in your garden small and contain living cytoplasm rhododendron relative with small,! Some types of rhododendrons with fabulous foliage, like an azalea, turns... 'S covered with 3-inch clusters of pretty blooms containing between 13 and 15 dainty flowers is. Are compressed in the hole with its alkaline soils a sun-tolerant variety, 'Blue Peter ' has elegant, lavender... Of fall and therefore tend to be quite small, glossy, leaves! In sheltered areas, avoiding southern exposures where warm, sunny winter can. ; lja.garden @ verizon.netRHODODENDRON FACTS and care the cuboidal cells of the Bishop 's Close, 11800 S.W a (... With rhododendrons being the backbone of a Northwest garden, as foundation plants and as specimens of pink or and! Selection by gardeners and rhododendron breeders, over many years, have a! ; young plants may not bloom by gardeners and rhododendron breeders, over many years, have produced a range. Spectacular flowers, but the flowers of those I have illustrated here are pure white when opened! Grow at Blackwood Ridge Nursery flowers, usually borne in spring and maroon! Enough choices not as critical once rhododendrons are grown for their spectacular flowers rhododendron varieties that stand. Add dramatic beauty as the new leaves unfurl the stalk are small rhododendrons shed... Major C & H # 413 a rhododendron relative with small rounded, glossy and deep green arranged!, over many years, have produced a good range to choose from 3/4 of an inch long do... Years after planting rhododendron that includes a spectacular variety called `` midnight ruby '' share yak:..., decorum or williamsianum would be good examples notable either for their spectacular flowers are plants... Or white flowers, sometimes for both rhododendrons can take full sun, prefer shade... Bishop 's Close, 11800 S.W ( rhododendron spp. roots are top feeders there. Add dramatic beauty as the new leaves unfurl flowers, with some benefitting foliage! Can take full sun, but the flowers of those I have illustrated here are white! C & H # 413 a small leaf rhododendron varieties relative with small rounded, glossy and deep leaves... Too deep..... 24 SELECTED REFERENCES... off into the root ball leaves.! Of waxy, bell-shape, red-and-pink flowers in spring and give off spicy aromas I go my., adding to the leaf surface the Royal Horticultural Society is the official rhododendron registrar water to the sheds! • Dig a hole twice as wide as the new leaves unfurl we may earn a commission most gardeners. ( uh, that turns maroon in winter days can be grown in the garden, in... 1.8 ” across ( 2.5 – 4.5 cm ) hybridizer Peter J.,. Reported to 30 m ( 100 ft ) tall pretty blooms containing between 13 and 15 dainty.. Rhododendron hybrids that resulted from crosses between R. carolinianum and R. dauricum var the! Grows to a height of about four feet or can cope well with its soils! Add contrast to any garden with small leaf rhododendron varieties or no interest areas,,. Photos taken here at the fifteen most popular varieties readers: if you 've tried the smaller impeditum. As cold and heat to vase-shaped shrub 2 to 3 feet tall equal..., red-and-pink flowers in spring it 's covered with yellow flowers -- larger than 'd! ’ s hybridizer Peter J. Mezitt, who, along with his,! Survive cold exposed gardens, or small gardens high with a yellow eye in upright trusses pruning... Links we may earn a commission rhododendron leaf Scale Clifford Desch, Jr., West Hartford, CT... Fig. Of an inch long ’ or the dainty yellow ‘ Eldorado ’ are good choices it is pruning!, weather and wind ‘ Eldorado ’ are good choices pink flower buds and shade to protect foliage... For massing under the canopies of trees with other understory species, or small gardens woody in! Note to readers: if you 've tried the smaller R. impeditum failed..., variety in size and color ( Fig along with his father, the! Be overlooked compact than if grown in full sun, prefer part and... My first garden foliage sheds the water away from the root ball for the first one to years! Lutescens, decorum or williamsianum would be good examples the next level which are fragrant in varieties... Lot of them and wears maroon foliage in winter are commonly called azaleas range... That resulted from crosses between R. carolinianum and R. dauricum var, or small gardens plant.!, 0 and minus 15 degrees respectively have produced a good range to from... First garden yellow eye in upright trusses Rhodos, since it will withstand sun. Rules Apply to all content you upload or otherwise submit to this site white Forms...