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Roses
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Expert Pruning Secrets for Exquisite Roses
Encourage gorgeous blooms year after year with this time-tested advice on how to prune your rosebush in winter for health and shape
Houzz Editorial Staff
Houzz Editorial Staff More »
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After the threat of frost has passed, hit the garden armed in your toughest clothes and sharpened pruners for the annual task of cutting back the roses. While gardeners may share different insights on the art of rose pruning, one thing is certain: While roses' winter dormancy persists, it's time to prune, ensuring a prolific bloom and healthy plants in spring and summer.
Cynthia Chuang, president of the Santa Clara County Rose Society in California and an ardent rosarian since 1994, considers this routine essential to the health of her award-winning roses. Most of her January days are spent outside, pruning and tidying her 200 roses. And every May she and the neighborhood relish the bounty.
Cynthia Chuang, president of the Santa Clara County Rose Society in California and an ardent rosarian since 1994, considers this routine essential to the health of her award-winning roses. Most of her January days are spent outside, pruning and tidying her 200 roses. And every May she and the neighborhood relish the bounty.
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| Why prune? Pruning is regenerative. It stimulates new growth and can enhance and open up the form and shape of the plants, Chuang says. It also removes dying or diseased portions that can damage the overall health of a garden. Roses are sturdy and forgiving, and will be healthier plants because of it. While you may not prune perfectly every time, it’s always better to prune than not to prune. When to prune. Prune roses during their dormancy, before they send out new growth. In mild climates, this means mid-December through February. In more extreme climates, wait until the final threat of frost has passed. Otherwise you run the risk of damaging canes. Shown: Hybrid tea rose Rosa 'Gemini' |
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by Janet Paik
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| Tools and gear. Chuang spends about 20 minutes pruning each shrub. Make sure you’re comfortable and well equipped. You want to enjoy the time you spend outside in preparation for spring.
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by Janet Paik
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| Here Chuang has pruned 1/4 inch above a thick, healthy and outward-growing cane. The cut is angled out in the direction of growth and will promote an open, rounded plant. Make the cut. Rosarians may disagree on how much to prune, when to prune and what to prune, but they unanimously agree that the cut itself is important in promoting rose health.
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by Janet Paik
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| Chuang's husband, Chi Ning Liu, cuts off a woody, central cane at its origin. This allows younger, healthier canes to thrive and opens up the center of the rosebush, promoting airflow and circulation. How to Prune Roses While expert demonstrations, extensive reading and planning are helpful preparation for pruning, nothing educates you like hands-on experience. You may prune too much or too little, but roses are resilient, and they’ll grow back. Leave healthy, major canes. First, cut off dead or dying canes to their origin. Get in there with the saw if necessary, says Chuang. The sure sign of a healthy cane is a rich green bark and a solid white core. Older rosebushes may get woody, so pick and choose the canes that you would like to keep. The American Rose Society suggests leaving four or five major canes for hybrid teas and grandifloras; more for floribunas. Cut off dying canes, even if healthy canes shoot off them. You want to ensure a healthy rose plant, above all. Then you want to think about shape. Chuang says she’ll cut canes smaller than the diameter of her pinkie finger. New growth will be thinner than its origin, so thin stems will produce even thinner, weaker stems, unable to support the weight of the rose. Tip: If you cut healthy canes off, put the stem in the ground and stake it. The stem may sprout roots and form a secondary plant. |
by Janet Paik
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Remove suckers. Many roses are grafted onto a root stalk of another rose type. Beneath the joint (bud union) is the root stalk, and above is the rose variety you are growing.
Every once in a while you will see a vigorous straggler growing straight from the root stalk — these are suckers. Suckers have different leaves and a different form than the bush and need to be yanked from the base as soon as possible. Otherwise the rose bush will waste precious energy on the unwanted sucker.
Every once in a while you will see a vigorous straggler growing straight from the root stalk — these are suckers. Suckers have different leaves and a different form than the bush and need to be yanked from the base as soon as possible. Otherwise the rose bush will waste precious energy on the unwanted sucker.
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by Janet Paik
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| Tip: When pruning, keep an eye out for Y-branches. Chuang uses these as spacers between stems that are close to crossing as a guide for open growth (see next photo). |
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by Janet Paik
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| A spacer opens up the base of the plant Maintain an open form. While pruning, think about the final form of your rosebush as an upright, open hand or vase. You want canes to radiate up and out from the center, ensuring airflow and circulation, and preventing mildew and disease. Canes that cross the center of the plant or cross another, healthy cane should be pruned. Thin out portions of the plant that have become too dense, all the while remembering the pinkie rule and the outward-facing rule. This is your opportunity to guide the form of your plant. If too many stems originate from the same part of the cane (Chuang says three or more), or if you notice too many bends and previous cuts in the cane, cut them back. Avoid having too much of the rosebush in the shade — even its own shade. Ideally, plant rose bushes 3 to 4 feet apart. Think about the sun pattern when pruning; if you have to decide between keeping one of two canes, cut the one that will spend more time in the shade. |
by Janet Paik
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Cut one-third or one-fourth off the top. While there is not a steadfast rule, Chuang says that she aims to cut off a third to a fourth of a bush’s overall height when pruning.
She says she often sees roses cut too short, which can inhibit the bush’s ability to regrow or regenerate, because too much of its energy has been removed. Alternatively, if you prune too little, the plant will not rejuvenate, and you will end up with a spreading, unkempt plant that will not produce as well.
She says she often sees roses cut too short, which can inhibit the bush’s ability to regrow or regenerate, because too much of its energy has been removed. Alternatively, if you prune too little, the plant will not rejuvenate, and you will end up with a spreading, unkempt plant that will not produce as well.
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by Janet Paik
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| Strip leaves after you prune. Some rosarians strip leaves before pruning, but Chuang says leaving them on until after pruning makes it easier to identify the direction of growth when making your cuts. Removing leaves eliminates pests or diseases that may be growing on the plant. If you notice rust or mildew later in the year, simply strip the leaves to prevent spreading. Shown: Hybrid tea rose Rosa 'Barbra Streisand' before pruning (left) and after (right) |
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by Janet Paik
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| Clean up. Remove all fallen leaves and surrounding plant debris. Rose debris is typically not composted, as it doesn't break down quickly, and residual disease and fungus may still live on the leaves. Discard the debris as soon as possible to avoid the spread of any infections. |
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by Janet Paik
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| What to Do After Pruning Spray. Chuang says two sprays following pruning are key to a healthy plant over winter and into spring. Spray the canes heavily all the way to the ground and even the surrounding ground. Spray from the top down and let the spray blanket the shrub.
The first blooms emerge in Chuang’s garden in mid-April, with the big show coming in mid-May. If you continue to lightly prune throughout the year, Chuang says, you can expect up to five repeat blooms per rose a year, depending on variety. |
| Climbing Sally Holmes Rose Tips for Specific Rose Types:
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Ideabook updated on Jan. 25, 2013.
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Pepper flakes sprinkled on the ground helped to keep the squirrels from digging anything and everything up, but did nothing about the deer.
We tried so many things for the deer, I'm not sure which one worked, maybe the combination.
1) We hung Irish Spring bar soap around the garden, from tree branches, arbors and fence post. (an old wive's tale - perhaps)
2) We purchased a spray from the garden center - "Deer Away" I think.
It smelled like rotten eggs, but to our human noses the smell didn't last more than a day, to the deer it lasted about 1 month.
3) We encouraged our dog to mark the area.
I eventually was able to grow over 100 roses and a huge vegetable garden and the deer finally left them alone. They didn't go away, but they left my garden alone.
Happy gardening,
Dove
I think the dog marking may have been most helpful. But I can't honestly say which or if one was the secret weapon. The deer crossed though our property morning and evening and something stopped them from grazing when they passed through. We tucked the Irish Spring into knee high stockings and tried to hang them in inconspicuous places.
I think it's interesting that the article says prune when they are dormant and leave the leaves on until after pruning? At my new house all the leaves have fallen off for the winter, so if I prune when dormant there won't be any leaves to follow for the right cut. And it says prune when the last chance of frost is gone. Here on Cape Cod our last frost date is mid May but many people around here prune in late winter.
Now I'm a bit more confused.
In colder climates like yours roses are deciduous, they will loose their leaves just like the trees do. I pruned my roses and mounded straw around the base before the first snow. They stayed cozy all winter. Towards spring when the freezing weather was behind us I cleared away the straw and pruned off any canes damaged by the freeze. Even without leaves you can see the little nodules where the new growth will take place and use that as your guide.
Dove :-)
If you think grubs and June bugs did in your roses the best solution I've found is milky spore virus. Very simple to use, sprinkle it on the soil surface and gently water it in. The larva eat it and die, dispersing the milky spore they ate back into the soil. It's harmless to earthworms and other good bugs, but deadly for grubs and beetles. Milky spore is available at garden supply stores.
There are so many reasons you could be having problems with your roses. You don't say what part of the world you live in, but weather has a profound affect on roses. Too much water, not enough water, wind, harsh sun and not enough sun can all stress a rose and make it weak. Weak equals susceptible to disease. A good place to start is taking a good look at where your roses are planted and if they are under stress.
Cheers Dove
It sounds like regardless of black spot and powdery mildew, you are enjoying your roses and that's the whole point.
Happy gardening
Dove
up until my husband retired from the military we moved about every two years, one way I dealt with the moves was to take a small part of my rose garden with me. Our last duty station moved us from Calif to Ohio and I pulled out all the stops and moved 20 of my favorite roses with me.
It was early summer, I dug them up, trimmed both the roots and canes, they looked pretty much like a bare root rose. I planted them in black plastic nursery pots put them in the back of our truck and moved them to Ohio with us. I left them in the nursery pots until the following spring (just to make sure the tender new root growth had enough time to establish themselves.) They all survived and flourished in their new home.
Good luck with your move!
Dove
Cheers
Dove
Lately I've had problems with cottontail bunnies, so far nothing works, I'm ready to cage some of my most hard hit roses for fear they are going kill them. This was a fully leafed out rose 2 weeks ago.
Deer fat
Deer fat
Deer fat !
Never post before finishing your 1st cup of coffee.
Oh btw it's Dove, like the bird
Sadly my grandmother passed away two years ago from stage IV lung cancer (non-smoker!) and very shortly after her passing, my grandfather contracted someone to remove all the bushes off his property (I hope they were dug out carefully and showcased in someone else's garden rather than being discarded!!!) due to not having the knowledge or skill to take care of roses and the fact that all the shrubs painfully reminded him of the wife he loved since high school years.
I've been meaning of starting my own rose garden in honor of grandma and only recently acquired my first purchased home with a garden to do so. I hope with this resource, I'll be able to grow roses close to Mrs. Chuang or my grandmother's caliber.
Also the article made me smile because grandma used to dress heavily in the beating summer heat with very similar tools and garden attire. Ha ha, typical Chinese folk, I guess!