Category: Disease and Insect Control

Taking Care of Your Knock Out Roses

By Diane Coleman, NRS Consulting Rosarian

What are Knock Out© Roses?

Arrangement of Knock Out Roses
Knock Out© Rose is a shrub rose bred by American rose grower, William Radler in 1989, and introduced into the United States by Star Roses and Plants in 2000. It was named an All-America Rose Selections winner in 2000 and was one of the bestselling roses of the year. The rose was found to be extremely disease-resistant, drought-tolerant and ever-blooming. The ideal rose for both new and seasoned gardeners.

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Recommended Spray Programs
by Rosemania

As soon as you receive your pesticide, write the date on the label. If properly stored in a climate-controlled area, the product should be good for 3 to 5 years (depending on the product) once opened.

Remember to always wear protective clothing and a pesticide respirator when spraying any pesticide.
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by Rosemania”

June Rose Growing Notes

by Marty Reich, Master Rosarian, Editor of the Rose Leaf

Louis Philip, one of the OGRs planted in the Adelicia Acklen Rose Garden at Belmont University, Photo by Pam Graves Brown
By now you have done spring feeding and have enjoyed the first bloom cycle. Be sure to dead-head everything, meaning to cut off the spent blooms, to make the bushes look better and to encourage them to re-bloom. You should go down to a strong part of the cane where there are 5 leaflets from an outward facing node and cut 1/4″ above it. Sometimes a node has a dark spot on it signaling that new growth will not come from there so you may need to go up or down to avoid it.
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April Rose Growing Notes

by Marty Reich, Master Rosarian, Editor of the Rose Leaf

So you have pruned your roses and cleaned up the beds some time around now. It is still too early to pull the mulch very far away. We could have a freeze until the middle of April and did last year. If you spray, you have done that as well, soaking the mulch as well as the almost bare bushes. It is so much better to get ahead of blackspot and spray routinely than to let it get ahead of you.
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