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Knockout roses?
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Posted by jimtnc 7b-8 NC TTTF (My Page) on Mon, Apr 28, 08 at 7:44
| I've not been a rose kind of person all this time, but I'm getting a lot more interested in the knockout version now. Do they have to be in full sun? How far apart is recommended for planting? Do some colors do better than others? Where are the best places around teh area to get them...of course reasonably. Thanks. |
Follow-Up Postings:
RE: Knockout roses?
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| Jim, I think these roses are fabulous. The color of the original is pretty intense so I think you need to spend a bit of time thinking about where to put it. Mine bloomed from April to January last season so it is likely to be in bloom at the same time as almost everything in your garden. Both of mine( I have a pink Knockout too) are in full sun and are thriving. I have had very minimal black spot and no powdery mildew or bug problems. Even if a Japanese beetle hops on to chew a bud, it is covered with hundreds of other buds so I just flick it off and forget about it. I like the look of the double since it just seems more "rosey" to me but I don't know about its growth habit so I am letting my neighbors experiment with them and I'll keep an eye on them. My favorite thing is the scent. I stick my nose in a bud or two every time I walk outside. Hope others have some good info for you about shade tolerance. Meredith |
RE: Knockout roses?
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| Jim I got mine at Lowe's for 5 bucks, although I think they usually run $15-20. I have mine in full sun so I can't advise about shade, but Knockouts are carefree. |
RE: Knockout roses?
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| They get huge fast so the small ones are fine. I think they are usually their own root too. |
RE: Knockout roses?
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| I love roses, one of my favorites!! Sounds like I need to experiment with a Knockout since I'm in the process of putting in my little rose garden. |
RE: Knockout roses?
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- Posted by jimtnc 7b-8 NC TTTF (My Page) on
Tue, Apr 29, 08 at 5:42
| Thanks for the input folks. I'm still interested in knowing if they will exist in partial shade. Many parts of my yard are sun most of the day until around 1 or 2pm, and I'm starting to run out of full sun areas. I would think they would do okay with about 6 hours sun and dappled after that, wouldn't you? |
RE: Knockout roses?
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I have several different varieties of Knockout around the yard and the conditions you described should be fine. They only look like divas.
Another amazing rose is Nearly Wild- pink single flowers and they thrive in almost any conditions. |
RE: Knockout roses?
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| I have a Blush Knockout in my side yard which is partial shade. It's getting less sun than you're describing and it's doing fine - it's blooming it's head off right now. It was here when I bought the house and the only thing I've done to it is a bit of pruning. |
RE: Knockout roses?
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- Posted by jimtnc 7b-8 NC TTTF (My Page) on
Tue, Apr 29, 08 at 9:55
| Good news about the partial shade thing. I want to get a few, and from what y'all have said they grow fast so the small ones are fine (1gal?). I guess since they are "registered" or whatever, the price is pretty much set, so the bigbox stores would be fine...like Lowes, right? How about immediate planting needs like fert, etc? Will these things get really big? Big is okay, but I would like to NOT have any mounding on the mulch from any plants. Much rather have an open portion from bottom of plant to the ground. I have snakes come out of the woods a lot, and the more I reduce places for them to hide, the better that I feel about the world in general, if you know what I mean. |
RE: Knockout roses?
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| Jim, Knockouts are the easiest shrub rose to grow. You don't need to baby them. I planted some on the hill in my backyard that was basically slab stone with a layer of dirt pushed over it. I figured the KO would be my best short at growing something other than those ugly juniper the builder put in. I found that MANY roses can handle tough SC heat and humidity. Here is the before picture of the hill (when I moved in): 
Here it is 3 years later. All the hot pink up there are KO roses. 
If you want a list of other roses which are basically carefree, let me know. |
RE: Knockout roses?
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| nice change, ronda! Kudos to you- beautiful work. |
RE: Knockout roses?
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- Posted by jimtnc 7b-8 NC TTTF (My Page) on
Wed, Apr 30, 08 at 8:19
| Dadgum, Rhonda. I could use some of that talent at my little place. Great work. I haven't gotten the first rose yet, but I intend to very soon. I'm looking at prices now, and any thing you want to throw out and add to the mix would be appreciated. Thanks. |
RE: Knockout roses?
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| I will throw out there, intending no offense to anyone who loves them, that Flower Carpet roses have been real stinkers for me. Black spot of epic proportions. |
RE: Knockout roses?
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| Iris, I gave away all my flower carpet roses! They were awful. |
RE: Knockout roses?
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| Last month I bought a 1-gal Rainbow and it's in a container in part sun, mostly shade. It's getting some kind of dusty whitish stuff on the new buds... powdery mildew, maybe? I don't know anything about roses, Knockout or otherwise, but I heard that these were almost no-brainers! Advice, anyone? |
RE: Knockout roses?
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| Knockouts prefer sun. Move it to full sun and it will be fine. |
RE: Knockout roses?
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Wow Rhonda..what a great spot for lavender. That's about the pitch of the front yard at my other house. Everything seemed to grow great on a rocky,south-facing hill so long as it got regular watering.
Your efforts will reward you for many years. Knockouts seem to need less pruning than carpets. |
RE: Knockout roses?
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| Thanks, bumblebeez... will take your advice! |
RE: Knockout roses?
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| I think the lowest maintenance roses for me are: Knock Out
Carefree Beauty
Carefree Sunshine
Country Dancer
Blush Noisette
Julia Child See link below for pictures and retailers |
Here is a link that might be useful: Help me Find
RE: Knockout roses?
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- Posted by jimtnc 7b-8 NC TTTF (My Page) on
Tue, May 6, 08 at 6:12
| Do the Knockouts generally only come in the Rose red color locally? That's about all I've seen. |
RE: Knockout roses?
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| I thought all of the colors were available just about everywhere now. |
RE: Knockout roses?
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| I've seen ads for other trademarked roses with all the same attributes as Knockout roses. Not sure if they'll live up to the hype (time will tell). The first wave of Knockouts did only come in a hard to place color, the newer pink ones are much more appealing to me. |
RE: Knockout roses?
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| I took bumblebeez's advice last Sat (5/3) and moved my Rainbow Knockout rose (growing in a 12" container) from part shade (mostly shade) to full sun. It's still got the whitish stuff on it, and now it's looking a little limp. It's blooming, but nothing like what I'm reading about here. This is a really nice plant and I don't want to lose it... hope someone here can help!! |
RE: Knockout roses?
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| Claudia, I think mostly your rose needs a little time. One week isn't very long after a plant is moved. |
RE: Knockout roses?
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| I would plant it in the ground too. I have kept the very small, young knoockouts in a container for the summer then planted in the fall but you'll have to plant it eventually anyway (or root prune). If you get it in the ground now, you'll gain a season. |
RE: Knockout roses?
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Hi,
I bought 2 KO Roses, rainbow pink, to replace 2 small evergreens. One of those had died and the other looked healthy. Will KO roses grow well where these evergreens have been living for 4 years, or should I add some pelleted lime to the mix?
Thanks,
Betsy K |
RE: Knockout roses?
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| Why did your evergreens die? How much sun does the area get? |
RE: Knockout roses?
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| I also am considering planting a Knock-Out in what I'd call part shade in NC. I get good hot sun until about 1pm and then really HOT afternoons. What do you all think? |
RE: Knockout roses?
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- Posted by jimtnc 7b Raleigh tttf (My Page) on
Thu, Apr 30, 09 at 7:19
| Should be okay, but they like the sun. Mine are already blooming like crazy. |
RE: Knockout roses?
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| We love our knockout roses. Planted them in the fall and now blooming like crazy. Ours are in the full sun but summer months are still to come so we'll see. |
RE: Knockout roses in part shade
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| I am new to posting so I do not know how to add photos but my red Knockouts that I planted last year are shaded all morning by my house o only get afternoon sun and they are doing well. I would be glad to email photos of the roses. |
RE: Knockout roses?
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| I have the deep pink red and the light pink KO roses.Have had them several years and did not prune. They were about 7 feet tall and wide! Pruned them had this year and they are just as beautiful as ever. They bloom when tall or short! I do not spray them and I am in blackspot big-time country. None on KO! They are the way to go! They make such a statement! |
RE: Knockout roses?
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| We planted 4 small KOs in a center island (over 6 hrs a day, full sun and alls well) at our new home 3 years ago - yr#1 we had good blooms, average growth. Yr#2 same thing. This year they are something to behold! They have gone nuts! I swear they have doubled their size (w and h) just this spring! They are stunning - full of blooms and I truly have not done a thing to them. No pruning, spraying or feeding. I am a novice gardener so truly - I am a very bad "rose" mom. They are such wonderful plants! I was not into having roses (b/c I thought they were touchy) but my husband liked these - well he picked some winners. They have been attracting numerous fans in the neighborhood who just love the wash of color in out yard. But I have some ?s- since I know I need to prune them, when can that be done? Is now ok? Do I have to wait until fall? Can I trim spent blooms to help shape them up and do major "choppage" later in the year? Any advice would be appreciated - Thanks! |
RE: Knockout roses?
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Studies have shown that knockouts bloom better/more without removing spent blooms. However, sometimes I clip a limb back to improve the overall appearance.
Knockouts may be cut back to 18" or to what height you want in December through April, preferably during the cold dormant season. Gardeners have differing opinions as to what month is best.
I have some ko's I keep small and then I have a large billowy hedge. I use hedge clippers on all of them. |
RE: Knockout roses?
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| I bought three KO roses this summer--two pinks and one red. They were in full bloom when I bought them. After the blooms went away, nothing but one blook has happened since to my disappointment. About three wks. ago, I put about a cup of bonemeal around the base of all three and mixed it into the soil all around. Now, one of them has a bloom. I also bought some plant food for roses to use next May per the nursery sales person. What am I doing wrong? Why did they stop blooming? They are planted in full sun in afternoon and partial sun in mornings. |
RE: Knockout roses?
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In my experiences, the original blooms far better than any of the others, however, the pink single is a close runner up.
I never feed mine but they get ample water- lately anyway. |
RE: Knockout roses?
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| @ amateurgardner. I don't think you're doing anything wrong. In Indiana in the month of October it is natural for roses to stop blooming. Leave them alone and they will probably bloom just fine next spring/summer/fall. |
RE: Knockout roses?
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| This site has me in zone 8. I shop Lowe's alot. I have about 30 red beautiful knockouts leading to my front door. If I cut them back on Wednesday the next Wednesday they are just as high again. I really love them. However, I am noticing blackspots on some of the leaves and they are beginning to schrivel up. What am I doing wrong? Please help me. |
RE: Knockout roses?
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| I like hybrid tea and floribunda roses as they have more color varities. I always make sure to apply Bayer 3 in 1 for Roses. It prevents/treats blackspot, japanese beetles, and feeds them. Also, it prevents other diseases and pests. I know KO's are supposed to be black spot resistant for the most part, but it wouldnt hurt them. Also, I buy Miracle Gro for Roses, and feed them every 2 weeks. Roses are heavy feeders who enjoy the sun. Danielle |
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