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The following is a selected list of rose varieties and cultivars which currently (2017) [1] hold the Royal Horticultural Society's Award of Garden Merit. [ 2 ] [ 3 ] List of roses
Grade one roses are the best and must have at least 3 canes at least 5/16 inch in diameter, while a grade 2 rose must have at least 2 canes at least 5/16 inch in diameter, while a grade 3 rose ...
Of the over 150 species of rose, the Chinese Rosa chinensis has contributed most to today's garden roses; it has been bred into garden varieties for about 1,000 years in China, and over 200 in Europe. [16] Among the old Chinese garden roses, the Old Blush group is the most primitive, while newer groups are the most diverse. [17]
The new centers of production are developing countries like Ecuador (largest producer and exporter of roses worldwide), Colombia (second largest exporter in the world and with a market more than 40 years old), Ethiopia, Kenya, and India. Other players in this global industry are Mexico, Israel, South Africa, Australia, Thailand and Malaysia.
The hybrid perpetual has cup-shaped flowers with a brilliant crimson colour and up to 50 petals, situated on long stiff stems.The buds are thick and globular and open to strongly scented, hybrid tea-like flowers with a diameter of 11 cm. [2] They appear in flushes over a long period, but according to the RHS Encyclopedia of Roses, only sparingly.
The Royal Rosarian Garden contains many roses that are no longer commercially available. Established in 1975, the Miniature Rose Garden is a test ground to help determine what miniature roses will go to market. [2] The Miniature Rose Garden is one of only eight such miniature rose testing grounds for the American Rose Society. [10]
'Sunsprite', Kordes 1973 'Else Poulsen' (Poulsen 1924), an early Floribunda cultivar Floribunda Diadem (Tantau 1986) Rosarium Uetersen Floribunda (Latin for "many-flowering") is a modern cultivar group of garden roses that was developed by crossing hybrid teas with polyantha roses, the latter being derived from crosses between Rosa chinensis and Rosa multiflora (sometimes called R. polyantha). [1]
International Rose Test Garden in Portland, Oregon. Rose trial grounds or rose test gardens are agricultural areas where garden roses are grown to be assessed for qualities such as health, floriferousness, novelty, and scent. Roses on trial are usually considered for awards of merit or medals at the end of the trial period. Roses that win an ...