Kim's Gardens 953 views. 9 Geranium Hardy Collection 6 + 3 FREE - click here. 'Rozanne' was voted "Chelsea Plant of the Centenary" (1993 - 2002) and is well worth the title, flowering for 4 or 5 months, sun or part shade. Geranium 'Johnson's Blue' Geranium 'Johnson's Blue' was the first of the brilliant blue geraniums … Except ‘Rozanne’? Geranium Rozanne is a patented plant, which means that the gardener can't propagate and sell this plant without paying a royalty to the breeder. The purplish-blue flowers cover the plant in early summer. Geranium Rozanne has a sprawling habit, but it holds its many flowers high above the foliage. Last year I grew Rozanne in two hanging baskets, they were amazing, only problem with them, I could never give them enough water! After blooming the plant should be trimmed back by half its height to keep the plant looking tidy and to encourage light reblooming. It’s perfect for using as ground cover at the front of borders. Most hardy geraniums need to be trimmed to keep them from overtaking other plants and to encourage new growth.. Once the plant has finished blooming or you notice old growth, trim it back to within a few inches of ground level, or about an inch above the main stem. But now 'Rozanne' has superseded 'Johnson's Blue' as my workhorse "blue" geranium. wide (5 cm), from late spring to midsummer. They have violet veining and small white centers, which set off the blue even more. 'Rozanne'. It is particularly stunning next to yellow flowers, such as the soft yellows of coreopsis or intermingling with yellow roses. Although it was the go-to blue geranium for many years, it has been surpassed by an I am wary of such minute, specific and definitive assertions about perennial size differences, as the growing culture could easily influence such a small discrepancy. Singled out at the RHS Chelsea Flower Show as Plant of the Centenary, this gorgeous geranium delivers loads of violet-blue blooms, each accented with a heart of pure white. Price From £7.99. ‘ Ivan’ ‘Ivan’ is a big, muscular plant that grows tall and has startlingly bright magenta … Rozanne Everblooming Geranium Description An award winner with style! Compact, its foliage remains attractive throughout the growing season and makes it useful as a low ground cover. Pack of 3 (Code PR142) £7.99. 6 Varieties of Hardy (Cranesbill) Geraniums You Can Grow. Seems I'm not alone. Even the finely cut foliage is attractive and it turns wonderful shades of bronze-red in the fall. Image: www.jobspapa.com, Geranium 'Rozanne' weaving with Rudbeckia 'Goldsturm'. Because of her dense habit, weeds have a hard job taking root in the same spot. When crossed, hardy geranium species produce hybrid cultivars such as 'Johnson's Blue' and 'Rozanne,' which are sterile, which means they cannot reproduce faithfully from seed. This is essentially the reverse of Becker's statement. Ideal growing conditions include: Geraniums make great edgers and are wonderful for use under leggy plants, like roses. Sometimes the Plant of the Year is an old, but underused workhorse; other times it is relatively new and unknown, but worth a little publicity to introduce it to a wider audience of gardeners. The PPA doesn't just pick a favorite plant or one that is currently trendy. The blossoms are larger than Johnsons Blue too. Planting Beautiful Blue Rozanne Hardy Geranium - Years of Bright Flowers - Duration: 4:16. ROZANNE is a patented hybrid clump-forming geranium that typically grows in a mound to 20” tall by 24” wide. A free-flowering clump former like Rozanne is especially nice at the base of an entry gate or on the corner of a garden border. Multi-buy deal. Many make excellent garden plants and many hybrids have been made. It will reach 15 inches in height and at least three feet across, possibly wider. This is nice too, just a much different effect. Geranium ‘Johnson’s Blue’ is deservedly popular, for it is the most true-blue of all the geraniums, with only the slightest undertone of pink. However, I do find 'Rozanne' to be taller. Becker says 'Rozanne' grows "2 inches taller" than 'Johnson's Blue'. Rozanne is a clump former, but it will start to spread. Medium green foliage is lightly marbled with chartreuse and provides a wonderful background to this garden star. I recently found an article, by Allan Becker, that easily articulates the differences between them. Rozanne geranium. Plant database entry for Hardy Geranium (Geranium 'Johnson's Blue') with 25 images, 2 comments, and 33 data details. It may take a short break from flowering mid-season, to regain its strength, but it will quickly resume flowering and carry on through fall. Rozanne is not known to be bothered by insects or disease. The Missouri Botanical Garden says 'Rozanne' blooms in summer and 'Johnson's Blue' blooms summer into fall. Essentially, 'Rozanne' is violet blue (a redder blue) with a white center and 'Johnson's Blue' is more of a true blue, is a little denser and broader, and with no white center. Geranium 'Johnson's Blue' and Geranium 'Rozanne' are two popular hardy Geraniums that are often used and often confused in the garden. Geranium ‘Rozanne’ ... Cranesbill introductions, excellent for long-season display and leagues better than older garden forms such as ‘Johnson’s Blue'. Some spread so quickly they are better used as groundcovers and others put on a brief show and then turn ugly unless cut back and cared for. I am a huge fan of Geranium ‘Rozanne’.Here’s a plant that’s gotten tons of press in the last few years (tons of press for a plant at least! 0. However, Becker says 'Rozanne' blooms until frost, while 'Johnson's Blue' finishes by summer. Suitable for sun or shade. 4:16. Hardy Geranium (Geranium 'Johnson's Blue') in the Geraniums Database - Garden.org New and Unread Tree-Mails There’s no need to worry about hurting your flower as you prune her back. Essentially, 'Rozanne' is violet blue (a redder blue) with a white center and 'Johnson's Blue' is more of a true blue, is a little denser and broader, and with no white center. Rozanne provides an incredible display of showy, blue-violet flowers from early spring through to the first frost. Image: www.rhonestreetgardens.com. Each year the Perennial Plant Association (PPA), a trade group that works to educate gardeners on great performing perennial plants, selects their Perennial Plant of the Year. Marie Iannotti is an author, photographer, and speaker with 27 years of experience as a Cornell Cooperative Extension Horticulture Educator and Master Gardener. saw the luminous flowers of ‘Johnson’s Blue’, certainly one of the most well-known and beloved cultivars of all time. Geranium ‘Azure Rush’ Comes to Rozanne and Friends™ from the Waterers. About The Hardy Geraniums. Geranium 'Gerwat' jer-AY-nee-um Audio The large blooms of this perennial are a spectacular violet-blue with a white throat and darker venation on plants 1 to 2 feet tall and wide. As with other perennial geraniums, Rozanne is virtually pest-free. In my experience 'Rozanne' blooms later and much longer. This is consistent with descriptions by the Missouri Botanical Garden. I have also got Johnson's Blue, they with me are a one flush flowering lot, then the look bedraggled even when cut down! The blossoms are unusually large, too, averaging about 2 1/2 inches across. Introducing "One Thing": A New Video Series, Suitable for a wide range of climatic conditions, Easily propagated by asexual (division, cuttings) or seed propagation, Prefers well-drained soil, with lots of organic matter and it does not like to remain dry for prolonged periods. Rozanne Grower Technical Guide . Geranium Rozanne rarely sets seed and, being a hybrid, won’t grow true to seed anyway. Not surprisingly, it is high on the list of most dependable as well as most desirable flowering plants. In 2008, the honor went to Geranium Rozanne. Qty: Buy. Other common names cranesbill 'Johnson's Blue' Family Geraniaceae Genus Geranium can be annuals, biennials and perennials, herbaceous or evergreen, with rounded, usually palmately lobed or divided leaves, and lax inflorescences of rounded, 5-petalled flowers Where ‘Rozanne’ rambles ‘Azure Rush’ ambles due to having shorter internodes, which make it neater and lower-growing. Rapidement devenu populaire depuis son introduction en 1950, il fleurit de mai à juillet. Pack of 9 (Code PR143) £15.98. However, Becker says 'Rozanne' blooms until frost, while 'Johnson's Blue' finishes by summer. The brilliant blue is all the more electric when paired with yellow flowers like coreopsis, black-eyed Susan, and goldenrod. There are not enough superlatives to describe this fabulous perennial. Geranium Rozanne is an adaptable plant that can grow in a fairly wide range of environments. The fact that Geranium Rozanne requires minimal attention in the garden is only one of its many charms. The attractive foliage weaves itself through neighboring plants. (U. S. Plant Patent PP12,175 issued October 30, 2001). Rozanne does not set seed, thus the long blooming period. Geranium ‘Johnson’s Blue’ Geranium ‘Johnson’s Blue’ is a fantastic cranesbill geranium, bearing masses of large, dark-veined, lavender-blue flowers that fade to pearl grey as they mature. The PPA has a standard set of judging criteria that the plant must meet, before being chosen their Plant of the Year. Cheers! Qty: Buy. 'Brookside' is taller, more seasonal, 'Johnson's Blue' has shorter flowering preiod, too, even if cut back and provoked into flower again. Geraniums - A Comparison. Geranium. It is particularly stunning next to yellow flowers, such as the soft yellows of coreopsis or intermingling with yellow roses. 15-18" tall x 12-18" wide. Genus name comes from the Greek word geranos meaning crane in reference to the fruit which purportedly resembles the head and beak of a crane. 'Johnson's Blue' flops, more dense and heavy, to the ground. As lovely and useful as perennial geraniums are, not all of them are winners in the flower border. One of the most popular blue-flowered geraniums, 'Johnson's Blue' forms dense, spreading mounds of neatly cut leaves, topped with abundant clusters of large, saucer-shaped, sky blue flowers, 2 in. Averaging about 2 - 2 ½ across. Geranium 'Johnson's Blue' is a beautiful perennial geranium with large, true blue flowers blooming from late spring into mid-summer. Johnson's Blue is the standard by which any blue or bluish geranium hybrids are judged. But for the last 40 years or so, true geraniums (Geranium spp.) But when I trialed it, I found ‘Johnson’s Blue’ to be a lax plant with a penchant for floppiness and a fairly short bloom period. Becker's article on Geranium 'Johnson's Blue' and Geranium 'Rozanne'... http://allanbecker-gardenguru.squarespace.com/journal/2009/4/16/rozanne-versus-johnson-blue-comparing-two-blue-geranium-pere.html, http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d101, http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=y910, Geranium 'Johnson's Blue'. Although there is a marketing angle to this program, they tend to focus on little-known perennials that deserve a more prominent place in our gardens. In especially rich soil, Rozanne can take off running. Geranium Rozanne is naturally a perfect border plant, giving the garden a bold splash of blue right through the summer. It forms a midsized mound of deeply-cut green leaves, bearing loose clusters of bright violet-purple cup-shaped flowers starting in early summer. It is easily grown in a wide range of soils and is a long lived hybrid selection. Rozanne’s heat tolerance also makes it a good choice for rock gardens and containers or window boxes. They have violet veining and small … It’s an informal-looking, slightly sprawling plant that looks best when allowed to … The fact that Geranium 'Rozanne' requires minimal attention in the garden is only one of its many charms. If you used the word “geranium”, everyone understood you. The plant must be: Geranium Rozanne certainly meets those standards, which is not true of all geraniums. Easy to grow, Geranium ‘Rozanne’ is tolerant of most conditions except waterlogged soil. You can, however, make divisions to use in your own garden. With large, clear blue flowers and a neat growth habit to about 16 inches tops, it is a national favorite. In my experience 'Rozanne' weaves up nearby plants to climb for the sun, which can be quite stunning. Noteworthy Characteristics. The Geranium Rozanne was noticed because of its brilliant violet-blue blossoms and its repeat blooms throughout the summer, with minimal care. Geranium Johnsons Blue. 'Johnson's Blue' flops, more dense and heavy, to the ground. I side with Becker on this. I also agree with both sources that 'Johnson's Blue' is denser and broader. You won’t have a full flush of flowers all summer, but a shearing in mid-summer will help freshen up the spent foliage and encourage more blooms. Le Géranium vivace Johnson's Blue est une vivace issu du croisement entre le Géranium Himalayense et le Géranium pratense.Cet exceptionnel couvre-sol fleurit longtemps et abondamment. This is consistent with descriptions by the Missouri Botanical Garden. Geranium Rozanne will bloom throughout the growing season. A great clump forming perennial with large deeply lobed leaves and deep lavender blue flowers held on long stalks. Geranium 'Johnson's Blue' and Geranium 'Rozanne', Gingko biloba...Admire and Pick a Male! have become widely popular in temperate climate gardens. Geranium Johnsons Blue. A sport of Geranium ‘Rozanne’ with 2.5″ lighter blue flowers and a more compact, mounding habit. I mean, who doesn’t grow either G. ‘Rozanne’ or G. ‘Johnson’s Blue’? Geranium ‘Rozanne’ bears striking deep purple flowers in contrast with mid-green foliage, for months on end. Becker says 'Rozanne' grows "2 inches taller" than 'Johnson's Blue'. Geranium is a genus of about 300 species of annuals and herbaceous perennials from temperate regions. Plants need to be cut back after bloom to encourage fresh new foliage. 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