Plants need to be cut back after bloom to encourage fresh new foliage. Becker says 'Rozanne' grows "2 inches taller" than 'Johnson's Blue'. Ses grandes fleurs en coupe sont d'un bleu clair teinté de violet au cœur blanc. There’s no need to worry about hurting your flower as you prune her back. Planting Beautiful Blue Rozanne Hardy Geranium - Years of Bright Flowers - Duration: 4:16. As with other perennial geraniums, Rozanne is virtually pest-free. Geranium Rozanne is naturally a perfect border plant, giving the garden a bold splash of blue right through the summer. ), winning all kinds of plant-y awards and generally being the plant world’s Paris Hilton. I also agree with both sources that 'Johnson's Blue' is denser and broader. Rozanne geranium. Rozanne’s heat tolerance also makes it a good choice for rock gardens and containers or window boxes. This is consistent with descriptions by the Missouri Botanical Garden. The fact that Geranium Rozanne requires minimal attention in the garden is only one of its many charms. 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. Learn tips for creating your most beautiful (and bountiful) garden ever. Geranium. The fact that Geranium 'Rozanne' requires minimal attention in the garden is only one of its many charms. This is consistent with descriptions by the Missouri Botanical Garden. They have violet veining and small … 6 Varieties of Hardy (Cranesbill) Geraniums You Can Grow. The Missouri Botanical Garden says 'Rozanne' blooms in summer and 'Johnson's Blue' blooms summer into fall. Rozanne does not set seed, thus the long blooming period. Rozanne is a clump former, but it will start to spread. The PPA has a standard set of judging criteria that the plant must meet, before being chosen their Plant of the Year. Bumblebees on Johnsons Blue Geraniums in June. As lovely and useful as perennial geraniums are, not all of them are winners in the flower border. 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. Even the finely cut foliage is attractive and it turns wonderful shades of bronze-red in the fall. 15-18" tall x 12-18" wide. In my experience 'Rozanne' blooms later and much longer. About The Hardy Geraniums. But for the last 40 years or so, true geraniums (Geranium spp.) Although it was the go-to blue geranium for many years, it has been surpassed by an 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. All the Geraniums we grow gathered together onto one page with pictures & descriptions so that you can compare them side by side. Rapidement devenu populaire depuis son introduction en 1950, il fleurit de mai à juillet. wide (5 cm), from late spring to midsummer. I have also got Johnson's Blue, they with me are a one flush flowering lot, then the look bedraggled even when cut down! 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'. Hardy Geranium (Geranium 'Johnson's Blue') in the Geraniums Database - Garden.org New and Unread Tree-Mails But now 'Rozanne' has superseded 'Johnson's Blue' as my workhorse "blue" geranium. With large, clear blue flowers and a neat growth habit to about 16 inches tops, it is a national favorite. Geranium ‘Rozanne’ bears striking deep purple flowers in contrast with mid-green foliage, for months on end. If you used the word “geranium”, everyone understood you. 'Johnson's Blue' flops, more dense and heavy, to the ground. Rozanne provides an incredible display of showy, blue-violet flowers from early spring through to the first frost. Geranium ‘Rozanne’ ... Cranesbill introductions, excellent for long-season display and leagues better than older garden forms such as ‘Johnson’s Blue'. In my experience 'Rozanne' weaves up nearby plants to climb for the sun, which can be quite stunning. Rozanne Grower Technical Guide . 'Brookside' is taller, more seasonal, 'Johnson's Blue' has shorter flowering preiod, too, even if cut back and provoked into flower again. Rozanne Everblooming Geranium Description An award winner with style! The blossoms are larger than Johnsons Blue too. Averaging about 2 - 2 ½ across. It is particularly stunning next to yellow flowers, such as the soft yellows of coreopsis or intermingling with yellow roses. I have a couple in large tubs this year, same problem never enough water! →. Ideal growing conditions include: Geraniums make great edgers and are wonderful for use under leggy plants, like roses. 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. 10 Foolproof Perennial Plants for the Northeast U.S. Best Plants for White and Silver Shade Gardens, 16 Eye-Catching Varieties of Hardy Geranium, 18 Yellow-Flowering Plants for Your Garden, 8 Varieties of Coreopsis for Your Flower Garden, Best Perennials That Offer Long Bloom Periods, Spiked Speedwell (Veronica) Plant Profile, 10 Best Flowering Plants That Deer Will Not Eat. The plant must be: Geranium Rozanne certainly meets those standards, which is not true of all geraniums. 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. 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! Medium green foliage is lightly marbled with chartreuse and provides a wonderful background to this garden star. 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. Compact, its foliage remains attractive throughout the growing season and makes it useful as a low ground cover. Multi-buy deal. The blossoms are unusually large, too, averaging about 2 1/2 inches across. Geranium Rozanne will bloom throughout the growing season. Geraniums - A Comparison. The Geranium Rozanne was noticed because of its brilliant violet-blue blossoms and its repeat blooms throughout the summer, with minimal care. Deadhead spent blooms regularly to prolong flowering. Pack of 9 (Code PR143) £15.98. The stems have a rather chaotic way of growing (in the best sense) and find their way in and around neighboring plants. 0. The attractive foliage weaves itself through neighboring plants. Becker says 'Rozanne' grows "2 inches taller" than 'Johnson's Blue'. However, Becker says 'Rozanne' blooms until frost, while 'Johnson's Blue' finishes by summer. 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. Last year I grew Rozanne in two hanging baskets, they were amazing, only problem with them, I could never give them enough water! It forms a midsized mound of deeply-cut green leaves, bearing loose clusters of bright violet-purple cup-shaped flowers starting in early summer. 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. This cultivar originated the 1950's in England from seed of G. pratense, … There are not enough superlatives to describe this fabulous perennial. She can spread to fill large spaces, so if you’d rather have gorgeous blue flowers than endless rounds of weeding, Rozanne is the plant for you! Not surprisingly, it is high on the list of most dependable as well as most desirable flowering plants. I side with Becker on this. It will reach 15 inches in height and at least three feet across, possibly wider. Rozanne is not known to be bothered by insects or disease. '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. Easy to grow, Geranium ‘Rozanne’ is tolerant of most conditions except waterlogged soil. 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. 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. Geranium Johnsons Blue. The finely cut, divided leaves of Geranium Johnson's Blue turn to hues of reds and oranges during the fall adding extended seasonal interest to your garden. ‘ Ivan’ ‘Ivan’ is a big, muscular plant that grows tall and has startlingly bright magenta … Geranium 'Johnson's Blue' and Geranium 'Rozanne' are two popular hardy Geraniums that are often used and often confused in the garden. A sport of Geranium ‘Rozanne’ with 2.5″ lighter blue flowers and a more compact, mounding habit. However, Becker says 'Rozanne' blooms until frost, while 'Johnson's Blue' finishes by summer. 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. Because of her dense habit, weeds have a hard job taking root in the same spot. Image: www.rhonestreetgardens.com. Geranium Johnson's Blue - Common name:Cranesbill, Perennial Geranium - Extremely long blooming - large vivid periwinkle blue flowers appear continuously from late spring to fall. Just as remarkable is the glorious violet-blue color that seems to blend with whatever is planted near it. Geranium 'Johnson's Blue' Geranium 'Johnson's Blue' was the first of the brilliant blue geraniums … 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. The purplish-blue flowers cover the plant in early summer. 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. 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. Qty: Buy. 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