Rosa ‘NOA 168098F’

Summary

South Coast Research & Extension Center (South Coast REC/SCREC) is located in Irvine California, this site has a sandy loam soil and plants are irrigated with reclaimed water. UC Davis is located in Davis, California, this site has a silty clay loam soil and plants are irrigated with potable water. More information about the field sites is located in the Nuts & Bolts section.

Pink Supreme is a groundcover rose in the Flower Carpet® series with dark green foliage and vivid deep pink flowers. These blooms are open-faced with accessible pollen and were frequently visited by bees. This vigorous grower occasionally sent out long canes in a non-uniform pattern, but they generally filled in as the season progressed making them a candidate for large sweeping banks of bloom where the plants could be massed to good effect. In Davis, plants bloomed significantly in May/June, and August, with a majority of plants on each treatment scoring a 1 or 2 in the intervening months. In Irvine, after the May/June first flush, plants continued to flower consistently in the following months with a slight repeat peak in August. However, a few plants suffered significantly in foliage health and overall appearance from powdery mildew infections in Irvine. Neither growth nor aesthetics were affected by irrigation in Davis, and we recommend irrigation on low water in WUCOLS Region 2, also awarding this the Blue Ribbon™ award for high performance on low water. In Irvine, growth was unaffected, but flowering and late season vigor were significantly better on medium water, and we therefore recommend medium water for WUCOLS Region 3 when using reclaimed water.

Growth and Quality Data

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