Genus Rosa Species x Cultivar 'Radcon' Pink Knock OutÂ® Common Name Pink Knock OutÂ® Rose Patent ID pp# 15070 Height 3 to 4 Feet Spread 3 to 4 Feet Habit Medium, rounded shrub. Moderate growth rate. Zone 4 to 9 Culture Full sun. Flower Single to semi-double, glowing pink, late-spring until frost. Flower Color Bright pink Foliage Compound, small, dark green with blue hues. Deciduous Categories: Deciduous Shrub Rose Description Disease resistant, very strong bloomer.