Grows 4-5’ high by 2-3’ wide. High Voltage shocks with beautiful clusters of double yellow blossoms held high on sturdy stems. Its incredibly clean foliage complements the fragrant blooms, giving your garden a fresh feeling. This own root shrub rose grows in an upright, vase shape, making it a perfect plant for the back of a border or stand out as an accent. Portland Rose Society named High Voltage the Best Shrub Rose in 2010.