Rozanne geranium was discovered in a home garden in Somerset, England. The genus is native to Europe and Asia; this a natural hy-brid of G. wallichianum ‘Buxton’s Variety’ and G. himalayense The moniker hails from the Greek, where geranium means crane. It’s perfect for using as ground cover at the front of borders. It looks similar to the popular ‘Ann Folkard,’ but isn’t quite so rambunctious. The palmately cleft leaves are broadly circular in form. A vigorous grower, the large blue flowers are a delight and cover the plant all summer. 4 of 7 AUCKLAND BOTANIC GARDENS. Suitable for sun or shade. Native Area: Himalayas USDA Growing Zones: 4–9 Height: 12–20 inches Sun Exposure: Full sun to part shade 02 of 16 'Rozanne' (Geranium 'Gerwat' ROZANNE') Joshua McCullough / Getty Images 'Rozanne' is a hybrid geranium cultivar that was named the 2008 Perennial Plant of the Year. The finely cut foliage is accented by large (for a geranium) blue-purple flowers with pale blue eyes which cover the plant from early summer to frost. Easy to grow, Geranium ‘Rozanne’ is tolerant of most conditions except waterlogged soil. Geranium 'Rozanne' forms spreading mat and flowers generously. Geranium is a genus of 422 species of annual, biennial, and perennial plants that are commonly known as geraniums or cranesbills.They are found throughout the temperate regions of the world and the mountains of the tropics, but mostly in the eastern part of the Mediterranean region.. Geranium Rozanne; Geranium Rozanne. The fairly new hardy geranium ‘Rozanne’ spreads into a mass of long-blooming blue flowers with a white eye. Our most popular Geranium. The cranesbill reference is to the geranium seed capsule, which has a long beak-like column. Both parents are native to the Himalayas. Although White Flower Farm rates Rozanne for zones 5-8, I’ve been growing this geranium for years in So California. There aren’t many hardy geraniums that will bloom year after year in S CA. Large, violet blue flowers with a lighter eye are produced prolifically until frost. Rozanne geranium is a sterile hybrid and doesn’t produce seeds, but its heritage includes other cranesbill geraniums. Renowned for its extremely long, all-season bloom, this vigorous perennial forms a broadly spreading mound of deep green, dissected foliage. The greatest number of ornamental species are native to Europe and South Africa. 3 of 7 IVA WAGNEROVA/123RF. This is an easy, carefree geranium; a strong grower with a sprawling habit like 'Dilys'. Geranium ‘Rozanne’ bears striking deep purple flowers in contrast with mid-green foliage, for months on end. Origins: G. Rozanne is the result of an accidental cross in 1989 in Somerset, UK, between early-flowering G. himalayense and the later- and freely-flowering G. wallichianum ‘Buxton’s Variety’. Geranium 'Rozanne' PP12175 cranesbill . Native Geranium traversii is from the Chatham Islands. It is hardy in zones 4 to 8. 'Rozanne' is a trademarked name; the cultivar name is 'Gerwat'. Adrian Bloom extols the virtues of Geranium Rozanne. Geranium 'Rozanne'. Deadhead spent blooms regularly to prolong flowering. Geranium ‘Rozanne’ is a patented sterile hybrid offering many great im-provements over other cultivars (U. S. Plant Patent PP12175 issued October 30, 2001). It does very well for me, as long as I give it afternoon shade, and plenty of water. Rozanne' is the best everblooming blue flowered Geranium currently in cultivation. An easy, carefree geranium ; a strong grower with a sprawling habit 'Dilys... 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