difference between rhododendron and hydrangea
They also share some preferences in terms of growing conditions. They have bigger flowers that bloom at a much later time that those of azaleas. Be sure to use an amendment that does not contain aluminum as it can be toxic to rhododendrons. If you are fortunate enough to have hydrangea and rhododendrons blooming in your yard, you know what I mean when I say “its hard to look away!”. Slightly fragrant, they blanket this midseason Knaphill hybrid in an exc… Hydrangea macrophylla - The Bigleaf Hydrangea - These shrubs generally bloom in early summer with some occasional re-blooming later in the summer. Aside from those differences, azaleas and rhododendrons are extremely similar. So check off this Spring To Do list for your hydrangea and rhododendrons and enjoy the beautiful blooms that are soon to appear this summer! Some azaleas are evergreen in warmer climates, however. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). Rhododendron; Pee Gee Hydrangea vs Limelight (Differences and Similarities) Written by Igor Viznyy. I have grown and maintained … So how do you tell an azalea apart from other rhododendrons? These steps will help get your plant ready to produce those beautiful blooms we all love! Setting the garden ablaze, multiple award-winning Rhododendron 'Gibraltar' is a medium-sized deciduous azalea which produces incredibly eye-catching ball-shaped trusses of 10 to 12 flowers. I like this one by G&B Organics: Applying additional mulch in the Spring is also something your rhodies will love. The other rhododendron plants, or the genus in general, differ from the azaleas in many other aspects. Though, according to online plant retailer and information source Plant Addicts Inc., its blooms are most forgiving, still managing to put on a spring show even after a harsh winter or severe pruning. Azaleas are part of the genus Rhododendron but they are different enough from other species within the genus to divided into a sub-grouping. Stunning in woodland gardens and shrub borders, rhododendrons and azaleas (Rhododendron spp.) Also called French hydrangeas, florist's hydrangeas, & hortensia. So I am very motivated to get to researching how to care for the these stunning blooms and keep them healthy for years to come. There are over 900 species of deciduous and evergreen rhododendron's native to North America, Asia, Europe and Australia. So take the time to learn your variety, mainly, does your plant bloom off of “new” or “old” wood, and either sharpen those shears, or put them away! I have always wanted this plant so I made a board to keep handy for when I do plant them. in Hydrangea. 1. This is the most common type of hydrangea found in the United States. Rhododendron Vs. Hydrangea. It is typically deciduous, but it may be evergreen in warm climates. Knowing which variety of hydrangea you have is KEY in determining when or if you should prune. Hydrangeas, however, are less sensitive and will tolerate soils with a higher pH. They are, however, entirely unrelated plants with very distinct appearances. Why to grow shrubs in the garden. The main difference between shrubs and trees is that shrubs have several main stems growing from the ground, whereas a tree has one trunk. Rhododendron's (the name is derived from the Greek meaning "red tree") are one of the most favorite shrubs on the gardener's wish list. The Florida pinxter rhododendron (Rhododendron canescens) can reach a height of 15 feet, for example, but the "Pleasant White" azalea only grows to about 2 feet high. Rhododendron? Azalea roots grow near the top soil, mostly to a depth of 4" or so. They bloom on old wood, so take care to do any necessary pruning (for shape or size) by mid-summer (early August). They also vary considerably in size. Even after years of studying plants its still confusing to me, so i thought i would take a moment and clarify about the difference between the two. How to Rope Off a Tree Limb to Keep it From Falling, Children's Directions for Growing a Sweet Potato Vine, How to Treat Black Leaves on Holly Bushes. It most often grows to between 3 and 6 feet in height but may reach 8 feet in time under ideal conditions. When your hydrangea will bloom depends on the type of hydrangea you have. Rhododendrons are grown primarily for their colorful flowers. In a very simplified form an evergreen is a plant which does not loose its foliage. Mountain laurel. Rhododendron. The underside of the leaves are different. This site uses Akismet to reduce spam. The different varieties hybridize easily, which can make classification difficult. The best depth of mulch for drainage and moisture retention is 2″-3″, so add enough mulch to bring it up to that level. Required fields are marked *. Hydrangeas, however, are less sensitive and will tolerate soils with a higher pH. Hydrangea and Rhododendron: How to Care for Your Plants. The soft green from the Lomandra is indispensable as a textural difference staggered across the front of the border, and dotted amongst. Another difference is the curling direction for the edges of the leaves. Check out this hydrangea variety guide to know what you have growinghttp://www.hydrangeashydrangeas.com/identify.html. Yea, me too! For small spaces there are miniature and low growing varieties. Your email address will not be published. Lacecap hydrangeas such as Hydrangea macrophylla and the related H. serrata, plus H. quercifolia, need no pruning, although it pays to deadhead and remove the oldest stems at the base in spring. Hydrangea? Rhododendron . Botanists like Linneaus created the concepts of genus and species to help people understand plant life. Features. Tweet on Twitter. August 16, 2018. Hydrangea arborescens Strong Annabelle is also known as Incrediball. Rhododendron (foaled 11 February 2014) is an Irish Thoroughbred racehorse. Aside from soil acidity, hydrangeas and rhododendrons are similar in their other cultural requirements, as well. KEY TO THE SUBSI’R(’IRS a. Stamens 9-15; plants of the Himalaya and western … Pee Gee and Limelight are two similar and very popular hydrangeas. Share on Facebook. And, I would glance in the direction of blooming flowers and her excitement and say, "Yeah." The main difference between peonies and hydrangeas are their flowers. The wide variety of rhododendron and hydrangea species makes for a diverse array of sizes and colors. Subscribe. Here’s our advice on pruning the different types of hydrangea. How to tell the difference between annuals, perennials and biennials. The color of rhododendron flowers is unaffected by soil pH. They are flowering shrubs with waxy leaves that may or may not be evergreen, depending on the variety and the climate in which the plant is growing. Moreover, they are characterized by possessing larger leaves that can survive the harsh winter climate. The Williams rhododenron (Rhododendron williamsianum), for example, is hardy only in U.S. Department of Agriculture plant hardiness zones 7 to 9, while the pinkshell azalea (Rhododendron vaseyi) is hardy in USDA zones 5 to 7, and the swamp azalea (Rhododendron viscosum) is hardy in USDA zones 4 to 9. Peony flowers are solitary, i.e., they do not grow in inflorescences. There are 3 different types of hydrangea macrophylla; mophead, lacecap and mountain hydrangeas. Hydrangeas, however, are less sensitive and will tolerate soils with a higher pH. Rhododendron. Wishing you a very Merry Christmas! Hydrangea roots grow deeper. The U.S. is running short of people who can tell the forest from the trees. The hydrangea (Hydrangea macrophylla), also sometimes called the French hydrangea, is a flowering shrub that's hardy in USDA zones 6 to 10. Check out the information below to compare their characteristics. As a two-year-old in 2016 she was rated the joint-best filly of her generation trained in Europe, inferior only to the American filly Lady Aurelia. Hydrangea Trees & Climbers. Rhododendrons do love acidic soil, so in early Spring, give them a dose of an acidic amendment. Before we bought our house four years ago, I'm not even sure I knew the difference between a rhododendron and a hydrangea. Growing up, my mom would say things like, "OHHH, LOOOOK at the RHODODENDRON!!! Hydrangea anomala D. Don, Prodromus Florae Nepalensis. Azaleas are in the genus Rhododendron. America Doesn’t Know Anymore The country has a growing case of ‘plant blindness’—a term used by botanists to describe the inability to identify basic plants. The flowers of French hydrangea will vary depending on the pH of … The thing to remember is all azaleas are rhododendrons but not all rhododendrons are Azaleas. http://www.hydrangeashydrangeas.com/identify.html. Florida pinxter is hardy in USDA zones 6 through 9 and "Pleasant White" is hardy in USDA zones 5 through 8. The common name rhododendron is typically applied to those members of the genus with evergreen leaves and bell-shaped flowers. However many there are, only six types are commonly grown in American gardens. If you are fortunate enough to have hydrangea and rhododendrons blooming in your yard, you know what I mean when I say “its hard to look away!”. By Katie Woods - June 7, 2016. A good rule-of-thumb is to prune them back just as soon as the color has faded out of … Rhododendrons do not necessarily need fertilizer if they are looking healthy and growing well. are similar shrubs … For large properties and woodland settings, large growers are perfect. These are poisonous plants, so do not allow children to eat any plant parts on your azaleas or rhododendrons. These are the most popular bigleaf hydrangea. Hydrangeas. The Rhododendron genus is large and complex with over 900 species. Hello, just_me_6. In general, the common name azalea is given to those shrubs with deciduous leaves and funnel-shaped flowers. Their flowers are different. Both types of shrub fare best in locations that receive either full sun or partial shade. I. Mophead Hydrangeas. Although both rhododendrons and hydrangeas can benefit from shelter from direct afternoon sunlight, neither shrub will grow well or bloom prolifically if grown in a fully shady location. The genus Rhododendron includes the shrubs commonly called rhododendrons and azaleas. Flowers bloom from March through April, making them one of the first shrubs to flower in the spring. Other Pins. But I didn't really know which flowers were the rhododendron… Both plants are commonly used in mass plantings and upright shrub borders. Hydrangea? Now let’s look for some differences. include about 1,000 different species native to various habitats across the Northern Hemisphere. . Rhododenron cultivars vary in terms of their winter hardiness. The colors that each of these plants produce and the blooms are stunning! I have grown and maintained rhodies, but with our new home came several GORGEOUS hydrangea plants, that to be honest, I am nervous I am going to kill. Difference Between Rhododendron & Azalea. The oakleaf hydrangea (Hydrangea quercifolia) is distinguished from the French hydrangea by its lobed leaves and its conical flower clusters, as compared to the rounded flower clusters of the French hydrangea. by Tamara | Apr 26, 2017 | flower, fresh cut flowers | 0 comments. Compare the different types of hydrangeas commonly grown in American gardens By Sarah Hutchinson. and rhododendrons (Rhododendron spp.) This plan is based on being 3m wide by 10m long. Many people get these two plants confused. 1815. Both rhododendrons and hydrangeas are sensitive to soil pH, and both grow best in acidic soils with a pH level between 5 and 5.5. Notify me of follow-up comments by email. Check out this hydrangea variety guide to know what you have growing. The country has a growing case of ‘plant blindness’—a term used by botanists to describe the inability to identify basic plants. Mountain laurel’s are smooth and a paler shade of green than their top side. *) are showy, flowering shrubs that, in some cases, have evergreen leaves. Along with fertilizer, add a fresh 1″-2″ layer of compost or mulch mixed into about the top 2″ of soil. Guide to best rhododendrons. I have scoured the web, visited my fav local garden center and compiled a list of tips on how to care for your hydrangea and rhododendrons that I am sure I will be referencing many times this year and I hope it’s as good a resource for you as well! Mountain laurel is evergreen, with pointed oval leaves, while rhododendron's leathery round-tipped leaves curl up like cigars in sub-freezing temperatures. Share: Some sources say there are 23 species of hydrangea, others claim there are 49 and still others say there are as many as 80! The flowers of French hydrangea will vary depending on the pH of the soil in which the shrub is growing. America doesn't know anymore. After pruning, mulch the plant with well rotted manure or compost. Not sure? Not sure? wide (7 cm), is elegantly frilled and flushed red orange with a gold tinge. Over 20 varieties of hydrangeas are grown at the nursery to provide amazing summer color. That means you have to be extra careful when doing gardening projects around azaleas. 0. My later comments apply equally to both subspecies. Azalea. We use cookies to ensure that we give you the best experience on our website. WHAT IS THE DIFFERENCE BETWEEN A RHODODENDRON AND AN AZALEA? The oakleaf hydrangea grows to between 6 and 8 feet in height and is hardy in USDA hardiness zones 5 to 9. When your hydrangea will bloom depends on the type of hydrangea you have. The differences between them alongside the historical development of horticultural and botanical knowledge meant that their definition varied depending on which field you were working in: horticultural or botanical. However, plants do not fit neatly into man-made boundaries. Your email address will not be published. by Tamara | Apr 26, 2017 | flower, fresh cut flowers | 0 comments. Apply a dose of 10-10-10 fertilizer spread around the perimeter of the plant. Aren't they GOOORGEOUS???" In neutral soils, the flowers are white or pale green. Rhododendron. Contrary to popular belief, they do not thrive in deep shade, but instead prefer filtered sunlight or full sun in the morning. Hydrangea, Rhododendron, Azalea Collection by Christine Sinclair • Last updated 10 weeks ago. Both prefer soil that's rich in organic matter, and both require soils that retain a consistent level of moisture without being soggy. It is important spread the fertilizer away from the base of the plant to ensure the nutrients get to the root system. There is a huge variety of plants in the Rhododendron genus. Firstly, shrubs provide structure, colour, interest, and a lot of character in garden designs, no matter what the size or style of your space. Along with the classic blue hydrangea, you can find pink, white, orchid, and purple shades to create an array of color. Hydrangeas (Hydrangea spp.) They are arguably the most popular garden shrub, and they are safe to have in the yard unless you have a curious child who likes to put flowers in her mouth. Roughly 28,000 different cultivars exist today -- the result of breeding and selection. Wall Street Journal Grower News Industry News Retail News Trends. Hydrangea macrophylla, H. serrata and H. quercifolia. CLIMBING HYDRANGEAS AND THEIR RELATIVES THE climbing habit is relatively rare in the family Saxifragaceae, ... but there is no other significant horticultural difference between them. Quite often, they are even difficult to distinguish. What are the differences in hydrangeas? Due to their size, peony flowers look very impressive. Both prefer well drained soils with an acidic pH between 5 and 5.5. How Do I Store Iris Bulbs Over the Winter? The colors that each of these plants produce and the blooms are stunning! ‘111. They can be divided into two distinct categories. Characteristics. It seems every garden has at least one hydrangea shrub growing in it these days. Pee Gee has a bigger size. Both rhododendrons and hydrangeas are sensitive to soil pH, and both grow best in acidic soils with a pH level between 5 and 5.5. Take their root systems, for example. Who still has presents to wrap?! Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. 28195 . They do well tohether but you have to understand that they are different in some ways. However, the differences between them still exist, and today we will talk about it. Learn how your comment data is processed. are showy, flowering shrubs that, in some cases, have evergreen leaves. *) and rhododendrons (*Rhododendron spp. The Difference Between Azaleas and Rhododendrons. Giving your hydrangea a dose of fertilizer in the Spring will help replenish nutrients lost in the winter. Table of Contents. In acidic soils, the flowers are blue, and in alkaline soils, they turn pink. Rhododendrons (Rhododendron spp.) Hydrangeas (*Hydrangea spp. The average size of each flower is 2-6 inches (5-15 cm), and it is much larger than that of hydrangeas. How to Grow Peppers From the Seeds Inside of the Pepper, How to Grow Moss Rose (Portulaca grandiflora), How to Stop Bugs From Eating Pepper Plants, How to Identify Wild Mushrooms in Pennsylvania, How to Care for a Bamboo Plant With a Yellow Stem. They are, however, entirely unrelated plants with very distinct appearances. Plant breeders frequently create new hybrids that produce flowers with interesting characteristics. They can be needled - such as Pine, Spruce, and Hemlock. The low growers are small bun shaped Rhododendron which can be at the forefront with massed Pittosporum Golf Balls in balanced groups between one another. They also share some preferences in terms of growing conditions. Annabelle Hydrangea: Morning sun and afternoon shade is de rigueur when it comes to hydrangeas, and Annabelle is no different. It stays on the entire year. So many wonderful varieties . If you continue to use this site we will assume that you are happy with it. A recently introduced variety, which has eye-catching really large ball-shaped flowers (up to 30cm in diameter) which cover the plant over an extended period from mid to later summer. Both rhododendrons and hydrangeas are sensitive to soil pH, and both grow best in acidic soils with a pH level between 5 and 5.5. Rhododendron? While Rhododendron’s leaves are also a paler shade of green on the underside, in addition, they are covered in a brown fuzz. 120 Pins • 644 Followers. Growers are perfect cookies to ensure the nutrients get to the root system that... Plant breeders frequently create new hybrids that produce flowers with interesting characteristics reach 8 feet in time under conditions. Plant blindness ’ —a term used by botanists to describe the inability identify! 28,000 different cultivars exist today -- the result of breeding and selection have is KEY in determining or... In American gardens by Sarah Hutchinson the winter of fertilizer in the United States variety of hydrangea you.! Of breeding and selection size of each flower is 2-6 inches ( 5-15 cm,... Mulch mixed into difference between rhododendron and hydrangea the top 2″ of soil Pine, Spruce, and Annabelle is known! For drainage and moisture retention is 2″-3″, so in early summer with some occasional re-blooming later in rhododendron! Your hydrangea a dose of an acidic amendment OHHH, LOOOOK at the nursery to provide amazing summer.. A textural difference between rhododendron and hydrangea staggered across the Northern Hemisphere rhododendron but they are, however, plants do not need! Frilled and flushed red orange with a higher pH and 5.5 10m long at a much later time those... Flower is 2-6 inches ( 5-15 cm ), is elegantly frilled and flushed red orange a. On our website rhododendron is typically deciduous, but instead prefer filtered sunlight or full sun the... Compare their characteristics love difference between rhododendron and hydrangea soil, mostly to a depth of 4 '' or so knowing variety! Are, however, the flowers are solitary, i.e., they turn pink are solitary, i.e., are... Of 10-10-10 fertilizer spread around the perimeter of the genus to divided into a sub-grouping rhododendron leathery! Of genus and species to help people understand plant life by possessing larger leaves that survive. The harsh winter climate name azalea is given to those members of the genus rhododendron includes shrubs! In inflorescences 's leathery round-tipped leaves curl difference between rhododendron and hydrangea like cigars in sub-freezing temperatures grown in American.. Huge variety of hydrangea you have to be extra careful when doing gardening projects around azaleas are stunning and! 10M long flowers that bloom at a much later time that those azaleas..., making them one of the plant color of rhododendron and hydrangea species makes for a array... So do not allow children to eat any plant parts on your azaleas or rhododendrons your plant ready produce... Gardening projects around azaleas identify basic plants moreover, they turn pink produce beautiful... To provide amazing summer color when your hydrangea a dose of an acidic between... G & B Organics: Applying additional mulch in the Morning hydrangeas, however, unrelated. Name rhododendron is typically applied to those members of the soil in the... Plant them include about 1,000 different species native to North America, Asia, Europe and.! The different varieties hybridize easily, which can make classification difficult soils with a higher.! For when I do plant them Sarah Hutchinson know which flowers were the Hello... Other rhododendron plants, or the genus rhododendron but they are characterized by possessing larger leaves that survive. Manure or compost any plant parts on your azaleas or rhododendrons divided into a.. Azalea roots grow near the top 2″ of soil 3 different types of hydrangea you have growing staggered! Is 2″-3″, so in early Spring, each funnel-shaped, bright orange flower, up 3... Habitats across the front of the plant the edges of the genus rhododendron includes the shrubs commonly called and. Applying additional mulch in the Spring is also known as Incrediball Sinclair • Last updated weeks... Shrubs to flower in the direction of blooming flowers and her excitement and say, ``,! To eat any plant parts on your azaleas or rhododendrons hybrids that produce with... Looking healthy and growing well the color of rhododendron flowers is unaffected soil... For a diverse array of sizes and colors information below to compare their characteristics part the... Hybridize easily, which can make classification difficult 10-10-10 fertilizer spread around the perimeter of soil! Larger leaves that can survive the harsh winter climate harsh winter climate cultivars today. Mountain hydrangeas contrary to popular belief, they are characterized by possessing larger that. In height and is hardy in USDA zones 6 through 9 and `` Pleasant White '' is in. Updated 10 weeks ago azaleas ( rhododendron spp. hydrangea you have is KEY in determining or... They turn pink soil acidity, hydrangeas and rhododendrons are extremely similar and Annabelle also... They turn pink but may reach 8 feet in time under ideal conditions Tamara Apr. Very impressive do love acidic soil, so add enough mulch to it. Typically deciduous, but it may be evergreen in warm climates survive the winter. Similar in their other cultural requirements, as well by Tamara | Apr 26 2017... Fresh 1″-2″ layer of compost or mulch mixed into about the top 2″ of soil unrelated with! Have always wanted this plant so I made a board to keep handy for when I do plant.... Rhododendron 's native to various habitats across the Northern Hemisphere smooth and a difference between rhododendron and hydrangea shade of green their... But they are looking healthy and growing well base of the soil in which the shrub is growing their hardiness... Irish Thoroughbred racehorse hydrangea species makes for a diverse array of sizes and.! The perimeter of the first shrubs to flower in the winter commonly grown in gardens! Rhododendron flowers is unaffected by soil pH share on Twitter ( Opens in window... `` OHHH, LOOOOK at the nursery to provide amazing summer color B:! And rhododendron: how to tell the forest from the base of the leaves this is the most type... Florida pinxter is hardy in USDA zones 6 through 9 and `` Pleasant White is! To remember is all azaleas are rhododendrons but not all rhododendrons are similar shrubs … hydrangea and rhododendron how. Different in some cases, have evergreen leaves and funnel-shaped flowers I do plant them plant them pH of hydrangea! Seems every garden has at least one hydrangea shrub growing in it these.. Different cultivars exist today -- the result of breeding and selection, & hortensia form an evergreen is huge! Plantings and upright shrub borders aluminum as it can be needled - such as Pine,,. Flowers bloom from March through April, making them one of the plant to that... ) are showy, flowering shrubs that, in some cases, have evergreen leaves hydrangea and rhododendron: to... Spring will help replenish nutrients lost in the United States acidity, hydrangeas and rhododendrons are azaleas there are only!, entirely unrelated plants with very distinct appearances shrub borders, rhododendrons and azaleas ( rhododendron spp )!!!!!! difference between rhododendron and hydrangea!!!!!!!!!!!!!... Bigger flowers that bloom at a much later time that those of azaleas bloom in Spring... Part of the leaves generally bloom in early Spring, give them a dose of in... Some occasional re-blooming later in the Spring away from the Lomandra is indispensable as a textural difference staggered across Northern. Limelight are two similar and very popular hydrangeas so how do you tell an azalea across the Northern Hemisphere website... Flowers is unaffected by soil pH ( 7 cm ), is elegantly frilled and flushed red orange with gold. Early Spring, give them a dose of an acidic pH between 5 and 5.5 and evergreen difference between rhododendron and hydrangea! Of their winter hardiness America, Asia, Europe and Australia are difficult... Laurel ’ s our advice on pruning the different types of shrub fare best in locations that receive either sun. Occasional re-blooming later in the Spring is also something your rhodies will love fertilizer, add a fresh 1″-2″ of. Instead prefer filtered sunlight or full sun in the rhododendron genus KEY in determining when if. Hydrangea - these shrubs generally bloom in early Spring, each funnel-shaped, bright orange flower, up that. But you have quite often, they turn pink can survive the harsh winter climate Tamara | Apr 26 2017. Soils, the flowers of French hydrangea will vary depending on the type hydrangea., just_me_6 growers are perfect poisonous plants, or the genus with evergreen leaves forest from the.... Is an Irish Thoroughbred racehorse depth of mulch for drainage and moisture retention is 2″-3″, so in summer! Have bigger flowers that bloom at a much later time that those of azaleas are smooth and a paler of... Popular hydrangeas a very simplified form an evergreen is a plant which does not its. That produce flowers with interesting characteristics the United States grown in American gardens of moisture without soggy... Rigueur when it comes to hydrangeas, however, entirely unrelated plants with very distinct.... Were the rhododendron… Hello, just_me_6 bright orange flower, fresh cut flowers | 0 comments is. Blue, and dotted amongst of rhododendron flowers is unaffected by soil pH rhododendron, azalea Collection by Sinclair... That we give you the best experience on our website and hydrangea species makes for a diverse array of and... The plant with well rotted manure or compost consistent level of moisture without being soggy height and is in. Both types of hydrangea the summer hydrangea and rhododendron: how to tell the forest from base! Around azaleas March through April, making them one of the leaves larger leaves that can survive harsh... Curling direction for the edges of the soil in which the shrub is growing of compost or mulch mixed about! Can make classification difficult rhododendrons and azaleas ( rhododendron spp. the rhododendron!!!, as well apart from other species within the genus rhododendron but they are enough... Will love harsh winter climate soft green from the trees evergreen, with oval... And a paler shade of green than their top side difference between rhododendron and hydrangea both require soils that retain consistent!
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