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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
The bushy shrub forms suckers on its own roots, and reaches a height and width of 1 to 1.75 metres (3.3 to 5.7 ft). The cultivar tolerates drought, shade and poorer soils, needs little care, and is very winter hardy – down to −35 °C (USDA zone 4). [4] It can be planted solitary, in groups or as hedges. [3]
Rosa 'Knock Out', (aka RADrazz), is a shrub rose cultivar bred by American rose grower William Radler in 1989 and introduced into the United States by Star Roses and Plants in 2000. It was named an All-America Rose Selections winner in 2000.
Shrub roses are a rather loose category that include some of the original species and cultivars closely related to them, plus cultivars that grow rather larger than most bush roses. [3] Technically all roses are shrubs. In terms of ancestry, roses are often divided into three main groups: Wild, Old Garden, and Modern Garden roses, with many ...
It is a popular landscaping plant, because of its bright yellow color, disease resistance, and constant bloom. The Julia Child rose is heat tolerant, with excellent resistance to blackspot and mildew. It is hardy (USDA zone 4a through 10a). Free-flowering, the rose is known for its old-fashioned form and sweet licorice fragrance.
The rose bush reaches 75 to 200 cm (30 to 79 in) height, and a diameter of 60 to 120 cm (24 to 47 in). The shrub has an upright form with very thorny canes and semi-glossy dark green foliage. It is not a very cold hardy rose (USDA zone 6b through 9b) and needs good sun exposure. Without good air circulation it is susceptible to mildew and ...
'John Davis' is a tall Hybrid Kordesii shrub rose variety, 7 ft (2.1 m) in height with a 6 ft (1.8 m) spread. [1] It has a quartered, cupped bloom form of medium-sized 3 in (76 mm) Flowers. Blooms begin as bright pink and then fade as they age to a lighter pink with golden centers.
Rosa nitida is very hardy, tolerating temperatures as low as −40 °C (−40 °F), and will grow in a wide variety of soil conditions, including soils which are poor, acidic and waterlogged. In the wild it grows in bogs and by the edges of ponds. In the garden it is admired for its good leaf coloration in the fall.