Shrub rose plant named &#8216;Coistor&#8217;

A shrub rose plant variety producing red/pink tinged white flowers.

BACKGROUND OF THE INVENTION

The present invention relates to a new and distinct shrub rose variety of the species Rosaceae Rosa, which was originated by my crossing as seed and pollen parents two unnamed, undistributed, unpatented seedlings. The varietal denomination of this new rose is COISTOR .

SUMMARY OF THE INVENTION

Among the novel characteristics possessed by the new variety which distinguish it from its parents and all other varieties of which I am aware are its attractive white flowers tinged with red/pink.

Asexual reproduction by budding of the new variety as performed in Watsonville, Calif., shows that the foregoing and other distinguishing characteristics come true to form and are established and transmitted through succeeding propagations. Other known forms of asexual reproduction may be also used.

COMPARISON WITH PARENT

The new variety distinguishes from its parent in flower size and color.

DESCRIPTION OF THE NEW VARIETY

The following is a detailed description of the new variety, from specimens grown outdoors in Kern County, Calif., in the month of November. The color terminology used is in accordance with The Royal Horticultural Society Colour Chart (R.H.S.C.C.), and refers to plate numbers in the aforementioned color chart. Phenotypic expression may vary depending on light, environmental and cultural conditions.

Bud. Surface texture of upper and lower surfaces is smooth, color is near 158C on top surface and near 147C on bottom surface, without anthocyanin intonations. Size: 1 inches long by about 1 inches wide. Form: Globular. Color: When sepals first divide near 68A.

Sepals . About 1 inch in length; about length of bud.

Color ( {fraction ( 1 / 3 )} to {fraction ( 1 / 2 )} open ). Outer petals: Top surface near 69D; under surface near 62B. Inner Petals: Top surface near 62A; under surface near 62A. Base of petals: Near 75C on top and bottom surfaces. General tonality from a distance: Pink to white.

Color change . Fades to white upon aging. Petals: Top and bottom surface near white; general tonality from a distance is white, outer petals becoming near 27D in color; inner petals near 27A.

Lasting quality . Up to 4 days.

Styles . Uneven, about inch to {fraction (1/16)} inch in length, color near 47C.

Hips . Does not set hips.

Growth . Uniform branching, about 26 inches high first season.

Winter hardiness: Completely winter hardy in Kern County, Calif.