Rose rugosa 39rubra39 is a useful and vigorous species shrub rose its thorny stems make it an ideal boundary hedge for preventing intruders it also makes a lovely addition to cottage gardens and wildlife areas bearing cup45shaped magenta45pink flowers from july to september these gently fragranced blooms are followed by scarlet rosehips making an attractive autumn feature as the glossy green foliage turns to buttery yellow 39rubra39 provides superb late season colour