Combating disease is one of the most unpleasant and time consuming activities in trying to grow roses.
In fact, choosing a disease resistant rose is one of the most important criteria since people don't want to constantly be spraying.
Knockout roses are by no means immune to diseases.
With a few simple preventive measures you can really decrease the chance of disease related problems and keep them healthy and thriving.
First off, pick the best location you can.
Try to plant and maintain them in a location that at least gets 4 hours of sunlight per day.
One of the easiest ways of hindering any type of disease for any roses is to make sure that moisture doesn't have a chance to build up.
Avoid spots that are more prone to collect water when it rains.
Also, if you can get the morning sunlight to shine on your flowers, that is ideal, since it will evaporate the morning dew faster.
Simple care in rose bush maintenance goes a long way.
Water the base of the rose bush instead of allowing the leaves to get wet.
Again, the main goal is to avoid excess moisture.
Also, using some organic fertilizer can guarantee that they'll get their required nutrients.
In addition to that, any plain type of mulching will promote a healthy growing environment by reducing the influence of weeds and bugs.
Disease tends to attack weaker rose bushes and these steps can keep your roses strong.
Taking these steps will ensure that you're doing your best in keeping your roses healthy.
Even if you roses are resistant to disease, but just by taking a few steps to prevent the possibility of disease you'll be able appreciate your roses more when they bloom.