There is a good reason for naming these plants as such. Knockout roses are resilient and disease-resistant rose bushes that were developed by William Radler, a Wisconsin botanist. Compact and bushy, Knockouts are surprisingly undemanding and easy to care for. The bushy plant has a wide rounded shape and grows up to about three to four feet tall.
According to experts, this variety of rose is among the longest-blooming flowering shrubs. Despite its low maintenance nature, it still requires basic nurturing for you to enjoy the beauty and elegance of these roses. There are growers of this breed who do not prune their knockout roses during the first season, thus letting them to fully grow into their intended bushy and rounded shape. You may begin pruning on the second year right after the first bloom flush. Employ small pruning only so that the roses will bloom even more. In fact, you do not need to do some major pruning for these roses are self-cleaning, meaning they do not need dead-heading. There are also some gardeners who plant the rose and then forget about it until the first bloom.
As with most plants, Knockout roses need good sunlight, although they also thrive under light shade. Keep the soil well drained and fertile. Water only at the base to keep the foliage dry. Even though they are resistant to most diseases, this will still help in preventing fungal disorders.
When you plant the knockouts, be sure to place them not too far apart from each other. They can look bare during winter so you might consider placing them with winter plants like evergreens so your garden still looks beautiful during winter when the knockout roses are on their seemingly hibernating state. You can also place the roses beside a wisteria tree or in rows so they appear like a border or hedge. You can also plant them in containers and place them on your patio or decks.
The double knockout rose is a variety that is naturally resistant to diseases and pests. It blooms flowers throughout the year and can thrive under the rain, in drought, and other extreme weather condtions. Double knockout roses thrive in any environment, from Florida to Canada.
Another drought-tolerant variety that grows very fast is the sunny knockout rose. Their lemony yellow flowers are amazing to watch during summer, for they open up in bright golden yellow and then turn to soft buttery blue when they age. Aside from its beauty in drought areas, it can also show its beauty even in cold climates.
You can also checkout other knockout varieties like double pink knockout rose and white out rose, the tree versions of knockouts namely red and pink knockout rose trees, and the single red knockout rose in http://www.brighterblooms.com.