Rose: shrub roses
Shrub roses are an eclectic group of plants noted for their hardiness. Many bear scented flowers that bloom over a long period.
Shrub roses can be grown both as single feature plants or as flowering hedges. Unlike more finicky roses, they are generally more disease-resistant and are best grown on their own roots instead of grafted onto other plant roots. All of the following roses are hardy at least to USDA zone 5 Front Range areas.
White-flowered shrub roses include Iceberg, a five-foot-tall beauty noted for its prolific, repeating flowers and spicy scent. For a shorter plant, try Gourmet Popcorn. This well-perfumed, dwarf rose bears hundreds of miniature blooms from late spring through fall.
Yellow-flowered varieties include six-foot-tall Sally Holmes. The single, light scented ivory-yellow blooms are borne on long stems. They bloom from spring through autumn. Another notable yellow single-flowering shrub rose is called Golden Wings. For a double bloom, try Graham Thomas, a scented variety. A yellow rose hardy in USDA zone 3 mountain areas is Harrison's Yellow.
Another recommended rose is the fragrant, pink Banshee. Its 10-foot canes are good for long-stemmed cut roses. Other quality pinks are Applejack, and for higher elevations, William Baffin.
A recommend shrub with red flowers is Dortmund. It has single roses that last longer than some other varieties. For high elevations, plant Champlain or George Vancouver. Many English shrub roses developed by David Austin are so packed with petals they resemble peonies. Try Othello which produces medium-red blooms or Tradescant, for dark red flowers.
Species known for long lasting, attractive rose hips include Moyes rose, red-leaf rose and Virginia rose. Red-leaf rose is also known for its reddish-purple leaves and canes.
For more information, see the following Colorado State Extension fact sheet(s).
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Updated Friday, April 19, 2013