I’d like to maintain them for next summer at about 3-4 feet tall. We had a mild frost last week, and then this am, it was 29 degrees, so obviously there was a glistening of the white stuff in the grass and on the cars this morning! My roses are about 4-5 feet tall, x 3-4 feet wide. I was intending to prune them before the first frost, but time has gotten the best of me. I have 4 knock outs – 2 are 6 years old, and the other 2 are only 2 years old. If you are new to rose gardening, then I recommend reading my Brown Thumb Gardener’s Guide to Easy Roses. I can’t wait to see how healthy and strong the roses will be this year! Love it? Pin It! In just a couple months the rose hedge will be bursting with blooms look even better than this! Start fertilizing with a quality, slow release rose fertilizer in April or at the first sign of significant new growth. It needs a bit of fine tweeking with the hand pruner, but overal looks much better. Here are a few before pics of the overgrown rose hedge.Īnd here is the hedge after being trimmed with the cordless hedge trimmer. New growth has appeared within just one week since pruning. I severly cut that 9 foot tall bush back to about 30″ high. Tip: Wipe off the cutting blades of the pruner with antibacterial wipes before moving to a different rose bush. With severe heavy pruning, the plant can be cut down to 18″-36″ depending on how large the rosh bush was. Cut the rose bush back by 1/3 to 1/2 the size. The goal is to open up the plant’s center and eliminate unnecessary suckers or random shoots. Remove and discard any dead, crowded, crossed or rubbing branches. Cut the stems back to a 5-leaf grouping or an outward-facing bud (if pruning during the growing season).
Use a clean and sanitized hand pruner for stems less than 1/2″ or a lopper for stems over 1/2″ inch. Maintaining and shaping a rose hedge is easy when using this cordless hedge trimmer. We have several Knock Out’s grouped together to form a hedge row. This recommendation might surprise you but hedge trimmers can be used on Knock Out rose bushes. This particular lopper has adjustable telescoping handles, allowing you to easily prune thick, thorny branches without having to reach your hands inside the bush. They are very sharp, cut through rose stems like butter and fit nicely in my hand.įor woody rose stems over 1/2 inch thick, I recommend using a telescoping bypass lopper. When trimming roses for floral arrangements or controlling overall shape, I really love my Troy-Bilt Bypass Pruners. (Amazon affliate links provided for your shopping convenience) Listed below are 3 of my favorite and most used pruning tools. One exception is if you live in the deep south then pruning any time of the year is acceptable.Īs a brand ambassador for Troy-Bilt, I have the opportunity to try and review a multitude of lawn and garden tools. It could trigger new growth that will not have time to harden before winter. The only time I do not recommend pruning is in the fall. Heavy pruning though should be done in late February in warm, southern climates or in March for the moderate to cool climates. It is also a good time to cut off withered blooms, but not necessary. Maintainence pruning can be done during the resting phase. Then the plant will enter a resting phase and then burst with repeat blooms every few weeks. This will be the largest flush of blooms. Here in the south, we can expect the first flush of blooms around Mother’s Day in early May. The beauty of Knock Out roses is that they can be pruned nearly any time without sacrificing beautiful blooms. Insane! I didn’t even realize Knock Out roses could grow that high. Just look at that rose bush! I measured it at a sprawling 9 feet tall. Now is the time to prune roses, so let’s take a look at a few tips on How and When to Prune Knock Out Roses. I’ve neglected a few of mine to the point of needing some serious pruning. Neglecting them is easy since they require little upkeep and are nearly impossible to kill.
Surprisingly, these rose bushes can grow to be quite large if not maintained. The joy of Knock Outs is their constant blooms from spring until fall. Knock Out roses are some of the easiest, most rewarding roses to grow! Our yard has 12 fuscia and light pink Knock Out rose bushes.
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