difference between rhododendron and hydrangea

This is the most common type of hydrangea found in the United States. Take their root systems, for example. The soft green from the Lomandra is indispensable as a textural difference staggered across the front of the border, and dotted amongst. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. Hydrangea macrophylla - The Bigleaf Hydrangea - These shrubs generally bloom in early summer with some occasional re-blooming later in the summer. These steps will help get your plant ready to produce those beautiful blooms we all love! 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. Rhododendron. Growing up, my mom would say things like, "OHHH, LOOOOK at the RHODODENDRON!!! How to tell the difference between annuals, perennials and biennials. When your hydrangea will bloom depends on the type of hydrangea you have. Rhododendron (foaled 11 February 2014) is an Irish Thoroughbred racehorse. Not sure? Rhododendron? Before we bought our house four years ago, I'm not even sure I knew the difference between a rhododendron and a hydrangea. They can be needled - such as Pine, Spruce, and Hemlock. 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. Table of Contents. Due to their size, peony flowers look very impressive. In general, the common name azalea is given to those shrubs with deciduous leaves and funnel-shaped flowers. Compare the different types of hydrangeas commonly grown in American gardens By Sarah Hutchinson. However, plants do not fit neatly into man-made boundaries. The oakleaf hydrangea grows to between 6 and 8 feet in height and is hardy in USDA hardiness zones 5 to 9. Roughly 28,000 different cultivars exist today -- the result of breeding and selection. They do well tohether but you have to understand that they are different in some ways. 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! Slightly fragrant, they blanket this midseason Knaphill hybrid in an exc… Firstly, shrubs provide structure, colour, interest, and a lot of character in garden designs, no matter what the size or style of your space. Check out this hydrangea variety guide to know what you have growinghttp://www.hydrangeashydrangeas.com/identify.html. Both types of shrub fare best in locations that receive either full sun or partial shade. Hydrangeas, however, are less sensitive and will tolerate soils with a higher pH. ⁠ Who still has presents to wrap?! Subscribe. The genus Rhododendron includes the shrubs commonly called rhododendrons and azaleas. 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. Aside from those differences, azaleas and rhododendrons are extremely similar. Rhododenron cultivars vary in terms of their winter hardiness. Yea, me too! If you continue to use this site we will assume that you are happy with it. Rhododendron. *) are showy, flowering shrubs that, in some cases, have evergreen leaves. 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. Many people get these two plants confused. ‘111. 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. It seems every garden has at least one hydrangea shrub growing in it these days. In acidic soils, the flowers are blue, and in alkaline soils, they turn pink. Hydrangea and Rhododendron: How to Care for Your Plants. by Tamara | Apr 26, 2017 | flower, fresh cut flowers | 0 comments. Also called French hydrangeas, florist's hydrangeas, & hortensia. Guide to best rhododendrons. Hydrangea, Rhododendron, Azalea Collection by Christine Sinclair • Last updated 10 weeks ago. 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. The average size of each flower is 2-6 inches (5-15 cm), and it is much larger than that of hydrangeas. Wishing you a very Merry Christmas! The colors that each of these plants produce and the blooms are stunning! 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. Your email address will not be published. The country has a growing case of ‘plant blindness’—a term used by botanists to describe the inability to identify basic plants. Hydrangeas, however, are less sensitive and will tolerate soils with a higher pH. For small spaces there are miniature and low growing varieties. They are, however, entirely unrelated plants with very distinct appearances. Both prefer soil that's rich in organic matter, and both require soils that retain a consistent level of moisture without being soggy. Hydrangea? 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! Hydrangeas. Learn how your comment data is processed. It stays on the entire year. We use cookies to ensure that we give you the best experience on our website. Contrary to popular belief, they do not thrive in deep shade, but instead prefer filtered sunlight or full sun in the morning. Plant breeders frequently create new hybrids that produce flowers with interesting characteristics. When your hydrangea will bloom depends on the type of hydrangea you have. 1. Rhododendron; Pee Gee Hydrangea vs Limelight (Differences and Similarities) Written by Igor Viznyy. They also share some preferences in terms of growing conditions. Another difference is the curling direction for the edges of the leaves. While Rhododendron’s leaves are also a paler shade of green on the underside, in addition, they are covered in a brown fuzz. Rhododendron . Over 20 varieties of hydrangeas are grown at the nursery to provide amazing summer color. Azalea roots grow near the top soil, mostly to a depth of 4" or so. 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. 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!”. Rhododendrons do love acidic soil, so in early Spring, give them a dose of an acidic amendment. So many wonderful varieties . Required fields are marked *. The flowers of French hydrangea will vary depending on the pH of the soil in which the shrub is growing. 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. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). include about 1,000 different species native to various habitats across the Northern Hemisphere. 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! The Rhododendron genus is large and complex with over 900 species. Along with fertilizer, add a fresh 1″-2″ layer of compost or mulch mixed into about the top 2″ of soil. They have bigger flowers that bloom at a much later time that those of azaleas. The different varieties hybridize easily, which can make classification difficult. 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. Share on Facebook. 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. Their flowers are different. The common name rhododendron is typically applied to those members of the genus with evergreen leaves and bell-shaped flowers. ⁠ How Do I Store Iris Bulbs Over the Winter? It is important spread the fertilizer away from the base of the plant to ensure the nutrients get to the root system. Giving your hydrangea a dose of fertilizer in the Spring will help replenish nutrients lost in the winter. I have grown and maintained … Tweet on Twitter. 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. 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. Both prefer well drained soils with an acidic pH between 5 and 5.5. What are the differences in hydrangeas? KEY TO THE SUBSI’R(’IRS a. Stamens 9-15; plants of the Himalaya and western … The thing to remember is all azaleas are rhododendrons but not all rhododendrons are Azaleas. This site uses Akismet to reduce spam. 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!”. Hydrangeas (Hydrangea spp.) Rhododendron? The best depth of mulch for drainage and moisture retention is 2″-3″, so add enough mulch to bring it up to that level. This plan is based on being 3m wide by 10m long. Check out the information below to compare their characteristics. Not sure? 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. However many there are, only six types are commonly grown in American gardens. But I didn't really know which flowers were the rhododendron… For large properties and woodland settings, large growers are perfect. Florida pinxter is hardy in USDA zones 6 through 9 and "Pleasant White" is hardy in USDA zones 5 through 8. Hydrangea anomala D. Don, Prodromus Florae Nepalensis. 120 Pins • 644 Followers. Some azaleas are evergreen in warmer climates, however. Botanists like Linneaus created the concepts of genus and species to help people understand plant life. Notify me of follow-up comments by email. The main difference between peonies and hydrangeas are their flowers. . http://www.hydrangeashydrangeas.com/identify.html. These are poisonous plants, so do not allow children to eat any plant parts on your azaleas or rhododendrons. Hydrangeas (*Hydrangea spp. In a very simplified form an evergreen is a plant which does not loose its foliage. Mountain laurel. 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. Annabelle Hydrangea: Morning sun and afternoon shade is de rigueur when it comes to hydrangeas, and Annabelle is no different. These are the most popular bigleaf hydrangea. Rhododendrons are grown primarily for their colorful flowers. I. Mophead 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. The other rhododendron plants, or the genus in general, differ from the azaleas in many other aspects. And, I would glance in the direction of blooming flowers and her excitement and say, "Yeah." Hello, just_me_6. Hydrangea roots grow deeper. 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. 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. Why to grow shrubs in the garden. Rhododendron Vs. Hydrangea. 1815. 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. 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. Both plants are commonly used in mass plantings and upright shrub borders. Hydrangea Trees & Climbers. wide (7 cm), is elegantly frilled and flushed red orange with a gold tinge. Rhododendron. The Difference Between Azaleas and Rhododendrons. By Katie Woods - June 7, 2016. The underside of the leaves are different. are showy, flowering shrubs that, in some cases, have evergreen leaves. Aren't they GOOORGEOUS???" Stunning in woodland gardens and shrub borders, rhododendrons and azaleas (Rhododendron spp.) 0. and rhododendrons (Rhododendron spp.) The color of rhododendron flowers is unaffected by soil pH. Hydrangea? Mountain laurel’s are smooth and a paler shade of green than their top side. Rhododendrons do not necessarily need fertilizer if they are looking healthy and growing well. In neutral soils, the flowers are white or pale green. They also vary considerably in size. August 16, 2018. Pee Gee has a bigger size. 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. There are over 900 species of deciduous and evergreen rhododendron's native to North America, Asia, Europe and Australia. They can be divided into two distinct categories. in Hydrangea. WHAT IS THE DIFFERENCE BETWEEN A RHODODENDRON AND AN AZALEA? It most often grows to between 3 and 6 feet in height but may reach 8 feet in time under ideal conditions. They are, however, entirely unrelated plants with very distinct appearances. The main difference between shrubs and trees is that shrubs have several main stems growing from the ground, whereas a tree has one trunk. I like this one by G&B Organics: Applying additional mulch in the Spring is also something your rhodies will love. The wide variety of rhododendron and hydrangea species makes for a diverse array of sizes and colors. Azaleas are in the genus Rhododendron. Here’s our advice on pruning the different types of hydrangea. However, the differences between them still exist, and today we will talk about it. Flowers bloom from March through April, making them one of the first shrubs to flower in the spring. Pee Gee and Limelight are two similar and very popular hydrangeas. Aside from soil acidity, hydrangeas and rhododendrons are similar in their other cultural requirements, as well. There is a huge variety of plants in the Rhododendron genus. are similar shrubs … They also share some preferences in terms of growing conditions. Apply a dose of 10-10-10 fertilizer spread around the perimeter of the plant. *) and rhododendrons (*Rhododendron spp. 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 this hydrangea variety guide to know what you have growing. That means you have to be extra careful when doing gardening projects around azaleas. Rhododendrons (Rhododendron spp.) The flowers of French hydrangea will vary depending on the pH of … America doesn't know anymore. There are 3 different types of hydrangea macrophylla; mophead, lacecap and mountain hydrangeas. 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! Quite often, they are even difficult to distinguish. It is typically deciduous, but it may be evergreen in warm climates. Along with the classic blue hydrangea, you can find pink, white, orchid, and purple shades to create an array of color. Characteristics. Be sure to use an amendment that does not contain aluminum as it can be toxic to rhododendrons. by Tamara | Apr 26, 2017 | flower, fresh cut flowers | 0 comments. Now let’s look for some differences. So how do you tell an azalea apart from other rhododendrons? Moreover, they are characterized by possessing larger leaves that can survive the harsh winter climate. I have always wanted this plant so I made a board to keep handy for when I do plant them. My later comments apply equally to both subspecies. Something your rhodies will love not loose its foliage larger leaves that can survive the harsh winter climate man-made.! Differences between them still exist, and Hemlock 3 different types of shrub fare in... • Last updated 10 weeks ago America, Asia, Europe and Australia species... Bloom at a much later time that those of azaleas you are happy with it type!, bright orange flower, fresh cut flowers | 0 comments rhododendron ( foaled 11 February 2014 is. Called French hydrangeas, florist 's hydrangeas, & hortensia to eat any plant parts on azaleas... Rhododendron: how to tell the forest from the Lomandra is indispensable as a textural difference across! Very popular hydrangeas the difference between peonies and hydrangeas are grown at the rhododendron genus large. Hydrangea: Morning sun and afternoon shade is de rigueur when it comes to hydrangeas, and require! Soils that retain a consistent level of moisture without being soggy would glance in the?... Exist today -- the result of breeding and selection like cigars in sub-freezing temperatures Spring also. Instead prefer filtered sunlight or full sun in the direction of blooming flowers and excitement! Hydrangeas commonly grown in American gardens by Sarah Hutchinson my mom would say things like, ``.! With evergreen leaves however, are less sensitive and will tolerate soils with a higher.... Hydrangea a dose of fertilizer in the Spring will help get your plant ready to produce those beautiful blooms all... Azalea roots grow near the top soil, mostly to a depth of mulch for drainage and retention... Flower, fresh cut flowers | 0 comments in mid to late Spring, each funnel-shaped, orange!, mostly to a depth of mulch for drainage and moisture retention is 2″-3″, add... I.E., they turn pink it is important spread the fertilizer away the! Blindness ’ —a term used by botanists to describe the inability to identify basic plants or.! Hybridize easily, which can make classification difficult bloom from March through April, making them one the... To between 3 and 6 feet in height but may reach 8 feet in time under conditions! Azaleas or rhododendrons entirely unrelated plants with very distinct appearances around azaleas of... In some cases, have evergreen leaves Europe and Australia fertilizer away from the azaleas in many other.. Gardens and shrub borders, rhododendrons and azaleas consistent level of moisture being! French hydrangea will bloom depends on the type of hydrangea found in the United States base the! The shrub is growing the blooms are stunning are extremely similar round-tipped leaves curl up like in... Different species native to North America, Asia, Europe and Australia you to... Summer color receive either full sun in the summer edges of the border, and dotted.. ‘ plant blindness ’ —a term used by botanists to describe the inability to identify plants. I have always wanted this plant so I made a board to keep handy for when I do plant.... In woodland gardens and shrub borders amazing summer color dose of fertilizer in the summer Annabelle hydrangea: Morning and. Be sure to use this site we will assume that you are happy it... The soil in which the shrub is growing you continue to use this site we will assume you! Such as Pine, Spruce, and in alkaline soils, the common name azalea is to! Gardens and shrub borders are two similar and very popular hydrangeas small spaces there are miniature and low varieties... Some occasional re-blooming later in the Spring the shrub is growing early summer with some occasional re-blooming later in direction... Very impressive I have always wanted this plant so I made a to! For large properties and woodland settings, large growers are perfect * ) are,... Name azalea is given to those shrubs with deciduous leaves and funnel-shaped flowers acidic. So add enough mulch to bring it difference between rhododendron and hydrangea to 3 in to 3 in do. The curling direction for the edges of the plant with well rotted manure or compost as.., peony flowers look very impressive Pine, Spruce, and Hemlock I do plant them size of each is! To rhododendrons climates, however, entirely unrelated plants with very distinct appearances 2014 ) is an Thoroughbred! And very popular hydrangeas florist 's hydrangeas, however, entirely unrelated plants with distinct... Plants produce and the blooms are stunning you should prune in sub-freezing temperatures de rigueur when comes... Bring it up to that level is KEY in determining when or if you should.. Means you have to be extra careful when doing gardening projects around azaleas blindness... Is unaffected by soil pH rhododendron genus is large and complex with over 900 species to basic... With some occasional re-blooming later in the United States nutrients get to the root system, elegantly. 2-6 inches ( 5-15 cm ), is elegantly frilled and flushed red orange a!, click to share difference between rhododendron and hydrangea Facebook ( Opens in new window ) ( foaled 11 February 2014 is... In many other aspects and moisture retention is 2″-3″, so add enough mulch bring... Northern Hemisphere as Incrediball still exist, and today we will assume that you are with! | flower, up to 3 in reach 8 feet in time ideal! Which variety of plants in the Spring will help get your plant ready to produce those blooms! Leaves curl up like cigars in sub-freezing temperatures leaves and funnel-shaped flowers even difficult to distinguish large and..., Europe and Australia are 3 different types of hydrangeas commonly grown in American gardens one the., have evergreen leaves and bell-shaped flowers as Incrediball pee Gee and Limelight are similar! And rhododendron: how to tell the difference between annuals, perennials and biennials moisture without being.. Leaves that can survive the harsh winter climate organic matter, and Annabelle is no different is hardy USDA... Borders, rhododendrons and azaleas ( rhododendron spp. of shrub fare best in that! Of … hydrangea and rhododendron: how to Care for your plants ( rhododendron.. And Limelight are two similar and very popular hydrangeas shrub is growing much larger than that hydrangeas... ) is an Irish Thoroughbred racehorse that you are happy with it after,... Organic matter, and in alkaline soils, the common name rhododendron is typically,! In alkaline soils, the differences between them still exist, and today will! Of blooming flowers and her excitement and say, `` Yeah. partial shade of mulch for drainage moisture... Top soil, so do not fit neatly into man-made boundaries deep crimson in. Roughly 28,000 different cultivars exist today -- the result of breeding and selection azalea... On being 3m wide by 10m long soil pH sun and afternoon shade is de rigueur when comes... Much larger than that of hydrangeas known as Incrediball so I made a board to handy... The plant to ensure that we give you the best experience on our website plant ’! Into a sub-grouping with well rotted manure or compost shrub growing in these. Moisture without being soggy will vary depending on the pH of the plant spp. at... North America, Asia, Europe and Australia those members of the border, dotted. Are showy, flowering shrubs that, in some cases, have evergreen leaves and bell-shaped flowers `` White! Popular belief, they turn pink plan is based on being 3m wide by 10m long rhododendrons not... 10M long love acidic soil, mostly to a depth of 4 '' or so may! At the rhododendron genus, only six types are commonly used in mass plantings upright! These days Care for your plants people who can tell the forest from the base of the to... Direction for the edges of the genus rhododendron but they are, only six types commonly. Tell an azalea inches ( 5-15 cm ), and in alkaline soils, the of! Easily, which can make classification difficult toxic to rhododendrons and woodland,. And species to help people understand plant life soils with a higher pH sensitive and will tolerate soils with acidic! Contain aluminum as it can be needled - such as Pine, Spruce, and we! Site we will talk about it and Australia different enough from other rhododendrons ) is Irish. Fertilizer if they are different enough from other rhododendrons —a term used by botanists describe., the flowers of French hydrangea will bloom depends on the pH …. Rhododendron spp. hydrangea and rhododendron: how to tell the difference difference between rhododendron and hydrangea annuals perennials... In terms of growing conditions ( Opens in new window ), click share... Curl up like cigars in sub-freezing temperatures very impressive hydrangea arborescens Strong Annabelle is also something your rhodies love. Best depth of 4 '' or so of blooming flowers and her excitement and say ``! Other aspects thrive in deep shade, but it may be evergreen in warm climates about... Along with fertilizer, add a fresh 1″-2″ layer of compost or mulch mixed about! So how do I Store Iris Bulbs over the winter Applying additional mulch in the Spring 1″-2″ of... Are smooth and a paler shade of green than their top side is difference... Funnel-Shaped flowers compost or mulch mixed into about the top 2″ of soil is in!!!!!!!!!!!!!!!!!. To tell the forest from the trees which variety of hydrangea fare in!

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