Pink Knock Out® carries single bubblegum-pink flowers continuously from spring to frost, and it does it without deadheading or a spray program. Rosa 'Radcon' grows 3 to 4 feet tall and wide in full sun, hardy from Zone 5 through Zone 11.
The flowers are single, five petals around a center of gold stamens, so bees can reach the pollen. Bloom is continuous rather than in flushes, and spent flowers drop cleanly on their own.
Disease resistance is the reason this line took over the landscape trade. It holds clean foliage through humid summers where hybrid teas defoliate to blackspot, with no fungicide at all.
Full sun gives the heaviest bloom. It handles drought, poor soil, and heat once established. Cut the whole plant back by about a third in early spring to keep it dense. Shipped on its own roots.