Double KNOCK OUT® roses
A new favorite amongst garden lovers is the double KNOCK OUT® rose. They have all the features of the regular or the plain KNOCK OUT® types in the market. They are easy to maintain, and produce one of the most vibrant dashing rose colours and dense petal growth.
These flowers are impervious to the climate change and will add glamour and beauty to your garden throughout summer. Some of the varieties will survive till heavy frost. Temperature and soil quality will determine light to dark red blooms.
One of the most interesting features of the double KNOCK OUT® rose is their resistance capacity, and it has been known to survive most of the ailments that other flowering plants suffer.
Typically insect resistant, it can also survive harsh weather conditions. The double KNOCK OUT® rose is the largest amongst the commercially available roses in the market. They can last almost half year around with regular blooming between June till mid fall. They typically grow in containers or in gardens and there are some varieties that are very adaptive and are known to grow even in the shade.
The typical height which should be maintained for the double KNOCK OUT® rose for it to standout is around 3 feet.
There are some basic pruning techniques which one has to keep in mind while working on the double KNOCK OUT® roses.
You may choose to avoid pruning in the first two or three years and let the shrub evolve to a natural shape. Some of the factors you should keep in mind are the removing of the old and the useless canes or the spindly growth from the bottom of the shrubs. One rule which could be your guideline and has been found to hold good in many horticulture books, is to follow the one third rule.
According to the rule, to get the best output, you should remove one third of the canes in the shrub each year.
A typical time to choose for the pruning is spring and this gives the shrubs a whole summer to grow to their natural potential. The region for growth is the Zones 4 – 9.
During pruning, deadheading is not a strict factor for the double KNOCK OUT® variety, but trimming and shaping the rose should be the main job. The flowers fall off and don’t need deadheading as such. Other than these, try and remove the thinner canes which are sprouting directly from the ground.