Double Knock Out Roses

This type of rose is a Knock-out

By now just about everyone has heard of the phenomenal Knock-Out rose.

Actually, seven rose varieties are being marketed under the Knock-Out brand, and some are definitely better than others. They're all pretty good, and some are very good.

Overall, Knock-Out roses are easy to grow, bloom constantly, resist disease, survive winter cold and self-clean, meaning the spent blooms drop off and are replaced with new blooms, without tedious deadheading (cutting the old blooms off).

They all grow to about 4 feet tall and wide in a nice bushy shape without much pruning. They are so colorful and perform so well they can be used instead of shrubs in foundation plantings and hedges, with little maintenance.

The best Knock-Outs are the original red and pink, the first ones introduced.

Red and pink Knock-Out roses with double blooms (more petals per flower) were introduced later and also perform extremely well. The red and pink double Knock-Outs have fuller blooms, more like traditional hybrid tea rose blooms but smaller. They are excellent performers.

Other Knock-Out introductions followed.

Blushing Knock-Out is pale pink with a yellow center. Rainbow Knock-Out is darker pink with a yellow center. Both are good performers, but we know of other brands as good or better.

Most recently we've seen the Sunny Knock-Out, a pale yellow single bloomer. This one doesn't self-clean as well or bloom as heavily as the other Knock-Outs, but it's still nice.

We've tried them all in our own gardens and in landscapes, and to our delight, they are terrific, as good as all the hype.

All these roses can make practical landscape shrubs in locations with full sun or even in partial sun. We take special care when planting, adding peat moss and Rose Tone fertilizer mixed thoroughly with the planting soil. After that, we just fertilize and mulch them like any other shrub.

A once-a-year pruning to get rid of dead wood helps keep them shapely. If you just can't stand insects chewing holes in the leaves, you can spray them with an all-purpose rose spray such as Bonide Rose RX 3 in 1, but they really don't need it.

No rose is maintenance-free, but Knock-Out roses have proven to be tough survivors with little attention. If you've given up on roses, think again, because you can grow these easily.

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The Queen of the Garden, roses have been a time honored tradition in gardens around the world.  Known for their outstanding beauty and grace, roses are cultivated and loved as no other plant in the landscape.  But roses have a dark side, they are also known as the divas of the plant world.  With their high maintenance stance and thorny disposition, roses are also the bane of the gardener.  Whether it is battling one pest after another or diagnosing and treating a disease, hours and hours are spent just in taking care of this delicate flower.

That is why, in the 1980s, rose breeder and botanist, William Radler developed the Knock Out Rose and the Double Knock Out Rose.  His goal was to create a low maintenance rose that was cold hardy and resistant to diseases, such as black spot.  His endeavors earned him the prestigious 2000 All-America Rose Selections award for this beautiful rose shrub and broke records for sales of a new rose.  With a pedigree like that, how can you not want this plant in your landscape?

If that was not enough, then you might be swayed by the Double Knock Out Rose’s gorgeous blooms that contain twice the amount of petals per blossom than the Knock Out Rose.  Shrubs such as the Double Pink Knock Out Rose, also bloom longer than traditional roses, from early June until the first hard frost.  With no need to deadhead, its drought tolerance and ability to be planted in full sun or shade, this rose is a low maintenance treasure.  Just make sure it gets plenty of indirect sunlight when planted in the shade.

Planting

1.       Choose a location .  The Double Knock Out can be added nearly anywhere in your garden that needs a splash of color or a plant to anchor the landscape.

2.       Dig a hole that is twice as wide and twice as deep as the container and mix organic materials into the existing soil.

3.       Remove the rose from the container .  Trim any broken or dead stems and leaves.  If roots are root bound, gently loosen them before planting.

4.       Plant the rose in the center of the hole.  If planting in Zones 5 or colder, make sure to plant the shrub a little deeper into the soil.

5.       Fill the hole with remaining dirt, pressing firmly in place to remove any air pockets.

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