Here's why I'm impressed by the 'Knock Out' rose and when and how to prune this low-maintenance ... The newest of the 'Knock Out' roses is the yellow 'Sunny Knock Out.' 'Rainbow Knock Out' has ...
Roses require an annual prune during the winter months so January is an ideal time to undertake this task, according to gardening experts at David Austin Roses. Despite the UK’s unpredictable ...