Prunus virginiana, commonly called bitter-berry, chokecherry, Virginia bird cherry, and western chokecherry, is a species of bird cherry native to North America. The natural historic range of P. virginiana includes most of Canada, most of the United States, and northern Mexico.
Rosa acicularis is a flowering plant in the Rosaceae family. It is commonly known as the prickly wild rose, prickly rose, bristly rose, wild rose or Arctic rose. It is a species of wild rose with a Holarctic distribution in northern regions of Asia, Europe, and North America.
Rosa carolina, commonly known as the Carolina rose, pasture rose, or prairie rose, is a perennial shrub in the rose family native to eastern North America. It can be found in nearly all US states and Canadian provinces east of the Great Plains. It is common throughout its range and can be found in a wide variety of open habitats, from thickets and open woods to roadsides and along railroads.
Rosa willmottiae, Miss Willmott's rose or Willmott's rose, is a species in the genus Rosa in the plant family Rosaceae. It grows at an altitude of 2,300–3,150 metres (7,550–10,330 ft) in dry valleys in western Sichuan, China. It forms an arching deciduous shrub 2–3 m high, and as much across. The branches are covered in many straight prickles. The pinnate leaves typically have 7 to 9 small bluish-green leaflets which emit a pleasant fragrance when bruised. It was introduced to western cultivation by Ernest Wilson in 1904 and was named after the collector and horticulturist Ellen Willmott. The flowers are small, lilac-pink, and are borne on short laterals all along the length of the branches in late spring/early summer. The hips are small, becoming orange-red and losing their tips when ripe.
Rosa fedtschenkoana is a species in the plant genus Rosa in the family Rosaceae. Some authorities consider it a synonym of Rosa webbiana. It is native to the foothills of the Ala Tau, Tian Shan and Pamir-Alai mountain ranges in central Asia and northwest China. It is named after Olga Fédchenko, a Russian botanist. It is deciduous, forming a bushy and suckering shrub up to 2.5 metres high and as much across. The branches are covered in many prickles, many of which are fine and straight, but some are thicker and slightly hooked. The pinnate leaves are pale greyish green in colour and have usually between 7 and 9 leaflets. The flowers are white, up to 5 cm across, and are borne singly or in small clusters at the tips of the branches throughout the summer months. The flowers' scent has been described as being "like 'Hovis' [brown] bread with a little blackberry jam". The flowers are followed by small, pear-shaped, bristly orange-red fruits.
Remontancy is the ability of a plant to flower more than once during the course of a growing season or year. It is a term applied most specifically to roses, and roses possessing this ability are called "repeat flowering" or remontant. The term originated in the nineteenth century from the French verb remonter or 'coming up again'. Roses which lack this ability are termed "summer flowering", "once flowering" or non-remontant. Few wild rose species possess remontancy; notable exceptions being Rosa chinensis, Rosa rugosa and Rosa fedtschenkoana.
Rosa nitida, also known as the shining rose due to its glossy leaves, is a perennial species in the plant genus Rosa in the plant family Rosaceae. It is native to northeastern North America, from Connecticut north to Newfoundland and Quebec. It forms a low, suckering, deciduous shrub, growing up to a metre in height, although often less. Its stems are thin and covered in fine bristles. Its pinnate leaves have 7 to 9 shining leaflets which turn bright red, yellow and purple in the fall. Its small pink flowers appear in summer and are subtly but sweetly scented, smelling like Convallaria ("Lily-of-the-Valley"). They are followed by small, round, red hips.
Rosa 'Arthur Bell',, is a yellow rose cultivar, bred by Sam McGredy IV in Northern Ireland in 1964. The rose has won numerous awards, and is popular in England and Northern Europe.
Rosa 'Great Maiden's Blush' is white blend Alba rose cultivar that appeared during the 14th century. It was introduced in Australia by Camden Park in 1843 as 'Maiden's Blush'. 'Great Maiden's Blush' has received the Royal Horticultural Society's Award of Garden Merit, and the American Rose Society's Dowager Queen award at the Syracuse Rose Society show.
Rosa 'de Rescht' is a Portland Damask rose introduced by English gardener Nancy Lindsay in 1945. In the first part of her book The Genus Rosa, Ellen Willmott described a rose that is known by the Gilaks as "Gul e Reschti", which is probably the same as Rose de Rescht.
Graham Thomas is a deep yellow shrub rose bred by British rose breeder, David C.H. Austin, and introduced into the United Kingdom by David Austin Roses Limited (UK) in 1983. The cultivar was named for legendary rose horticulturalist, Graham Thomas. The rose was awarded the Royal Horticultural Society's Award of Garden Merit in 1993 and inducted into the Rose Hall of Fame in 2009 as "World's Favourite Rose".
The All-America Rose Selections (AARS) is an award that was given annually, from 1940 to 2013, by the American rose industry to an outstanding new rose variety. The AARS selection was regarded as the most prestigious rose prize in the United States for 73 years. AARS was discontinued after 2013, and was replaced in 2016 by the new American Garden Rose Selections (AGRS) program.
The Portland Gold Award is given annually by the Portland Rose Society to new rose cultivars that demonstrate exceptional performance in the Pacific Northwest of the United States. The first award was given in 1919 by the city of Portland, Oregon.
Rosa 'Lichfield Angel is a white blend shrub rose, bred by British rose breeder, David C. H. Austin before 2005. It was introduced into the UK by David Austin Roses Limited (UK) in 2006. The rose is part of the David Austin English Rose Collection. It was awarded the Royal Horticultural Society's Award of Garden Merit in 2012.
Rosa 'Getrude Jekyll' is a pink shrub rose cultivar, bred by British rose breeder, David C. H. Austin in 1986. It was named in honour of the famous British writer and garden designer, Gertrude Jekyll (1843–1932). 'Getrude Jekyll' is one of the most popular of the David Austin's English roses. It was awarded the Royal Horticultural Society's Award of Garden Merit in 1994.
Rosa 'Golden Celebration' is a yellow shrub rose cultivar, bred by British rose breeder, David C. H. Austin. It was introduced into the UK by David Austin Roses Limited (UK) in 1992. 'Golden Celebration' is part of the David Austin English Rose Collection. It was awarded the Royal Horticultural Society's Award of Garden Merit in 2001.
Rosa 'Munstead Wood' is a dark red shrub rose cultivar, bred by British rose breeder David C. H. Austin, and introduced into the UK by David Austin Roses Limited (UK) in 2007. The cultivar was named after horticulturalist and garden designer Gertrude Jekyll's home, Munstead Wood, in Surrey, England. The rose was awarded the Award of Garden Merit (AGM) by the British Royal Horticultural Society (RHS) in 2007 and an American Garden Rose Selections (AGRS) Fragrance Award, in 2017.
Charles Quest-Ritson is an English horticulturalist and garden writer. He is one of Britain's foremost rosarians and is the author of the RHS Encyclopedia of Roses and American Rose Society Encyclopedia of Roses. He was a director of the Royal National Rose Society and founder of the Historic Roses Group. Some of his books are co-authored with his wife, Bridget Quest-Ritson.
