21,402 Garden Web Discussions | Roses

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henry_kuska

I assumed that the author was talking about disease in general at that point.

    Bookmark   June 11, 2013 at 5:19PM
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anntn6b(z6b TN)

According to Jim Amrine, the vector mites DON'T overwinter in the soil.

    Bookmark   June 11, 2013 at 7:20PM
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nickl(Z7a NJ)

", I believe I live in zone 7a"

Easy enough to check. Just go to the website below and enter your Zip code.

In warmer zones, the main reason to be planting the bud union at soil level is to stabilize the bush. A budded rose that is whipping around in the wind - which it will do if the union is SIGNIFICANTLY above the ground - is not good. Besides potentially breaking off canes, it will open up the soil to winter cold air getting to the roots.

Our budded roses are planted with the union at about soil level, and we went through Sandy and the subsequent noreaster without losing a cane.

Replanting correctly or raising the soil level are always available options, but before I opted for that major effort I would try staking the bushes and see how that works.

Here is a link that might be useful: USDA Plant Hardiness Zone Map

    Bookmark   June 11, 2013 at 3:00PM
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susan4952(5)

U could always try a surround of cobblers and fill in with mulch. I have a few like this ( double d and Joseph's coat) and they have done quite well for several years. This will give you a few inches and it looks quite nice.
It also delineates the drip line..

    Bookmark   June 11, 2013 at 6:09PM
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sweetvenge

I should add it survived this past winter without any protection as well, I completely forgot to spread leaves around my roses from my tree that I usually do because it started mild again and I thought it last the whole winter but it turned brutal and like typical zone 5 winter for me. Sorry Nippstress but I need to amend your post a little to "overwintered for him(not her) in zone 5". Sorry but I LOL'd a little.

    Bookmark   June 10, 2013 at 3:08PM
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nippstress - zone 5 Nebraska

Whoops, sorry about that Sir 'Venge! Since you didn't sign a real name I did a mindless coin flip and ended up on the wrong pronoun. Ah well, that Sweetvenge - HE's more convincing than ever that I should try Champagne Cocktail again since it survived without even winter leaf protection and a real winter to boot. Thanks for the update on both accounts, and I appreciate the humorous redirection.

Cynthia (she)

    Bookmark   June 11, 2013 at 4:36PM
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dublinbay z6 (KS)

I accidently learned something about color combinations one day. I happened to browse upon a photo that was just what I wanted in my garden--several shades that varied somewhat--created a peaceful but not stagnant feel to the garden--EXCEPT for one rose shrub that clashed with everything else in the picture. Too bad that person had such bad taste, I thought, and put part of my hand over the offending shrub so that I could view the mild variations in the rest of the garden.

You know what--after viewing the garden with the loud clasher in it and then blocking it out, I discovered that the blocked out version was so serene that if was downright bland and boring! Startled, I included the clasher again--and suddenly the picture became dynamic and radiated lively energy

Since then, I sometimes deliberately insert a flower (any kind) that clashes a bit with its neighbors--nothing big and in-your-face, but small doses of clash. I like the energy the garden picks up and radiates when I do that.

Kate

    Bookmark   June 11, 2013 at 3:19PM
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Kippy(SoCal zone 10. Sunset Zone 24)

I think the problem I am having with Neptune is that in a bed with bright red Don Juan, intense orange California poppies and before the once blooming iris. Is that it is just kind of dull. But the more I think about it, I think adding some more whites to spread the dull around and as the small lavenders and salvias grow the bed will gain a better balance. I have half of an arbor to fill, Don Juan on one side and either one more Don-Altissimo or Sombreuil.

For the hot pinks, I think I am just surprised at how many wanted to be hot pink this flush rather than the more normal colors they were for the first flush.

    Bookmark   June 11, 2013 at 4:28PM
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jim1961 Zone 6a Central Pa.

By the way... If there grafted Ko's bury the bud union
4"-6" below the ground in your area.

If own-root Ko's I'd bury 2" deeper then it was in the container it came in...

Belows a video:

Here is a link that might be useful: Bill Radler on the knockout rose

    Bookmark   June 11, 2013 at 4:06PM
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mad_gallica(zone 5 - eastern New York)

Around here, they really aren't happy campers after true zone 5 winters. I've seen a fair number over the years morph into something totally different.

Frontenac is a better choice, and what I would recommend. Some of the Meidiland roses also do well, but I can never remember which ones. There are other things besides Knock Outs that will do much better past KO's hardiness limit.

    Bookmark   June 11, 2013 at 4:12PM
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anntn6b(z6b TN)

For an annual, I'd suggest the French Marigold, Targetes spp., which are supposed to be good at suppressing A. tumifaciens in the soil.

I'm trying them in a part of one bed that is where tobacco was planted for decades, but this year I had trouble getting Targetes seeds with a good germination rate.

    Bookmark   June 11, 2013 at 3:17PM
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susan4952(5)

My old aBe Darby has one large gross tumor every spring. It is disgusting. I cut that branch off and disinfect the pruners. This is a monster healthy rose in close quarters. None of the surrounding roses ever develop gall. The only time I have let an area go fallow, was when I was suspicious of RR.

    Bookmark   June 11, 2013 at 3:43PM
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michaelg(7a NC Mts)

If I lived in a low disease area like yours, I would keep GJ. It's not only the fragrance but the perfect rosette form and nuanced color that make the flowers so special. I don't have experience with extreme heat, but you wouldn't expect much summer repeat under the best circumstances. If the plant sulks in summer, so much the less yardage of thorny cane to deal with.

And yes, the thorns are truly terrible.

    Bookmark   June 11, 2013 at 2:22PM
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pat_bamaz7

I got 2 RdR bushes early spring...clearance of last year's roses at a nursery. They were sad looking when I picked them up, but recovered quickly and are already on their second flush...loving them! I've been wanting RdV, but don't have enough room for a big girl like that until I get a new bed ready. How is she on repeat for you...I've heard conflicting things on whether she repeats at all or only after several years of establishment?

    Bookmark   June 11, 2013 at 11:02AM
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seil zone 6b MI

Thanks everyone!

None of them are great repeaters here. RdR has the best with scattered blooms all season. RdV and HdB only give me a second bloom if I dead head deep in the spring. So after this flush is over I'll prune them back rather than just dead head. that usually gives me a smaller second bloom in late August.

    Bookmark   June 11, 2013 at 12:38PM
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jacqueline9CA

Plant it in at least a one gallon pot ASAP. Then put that pot in partial shade for a few days. Then put the pot somewhere where it will not get so hot that it fries the baby rose - depends on your weather, etc. I tend to put mine on top of the soil in huge pots where other things are growing, so they are not sitting on hot pavement. Be sure to protect it from deer & other critters.

I leave mine in the one gallon pot for at least 6-12 months. Perhaps you should wait until next Spring to plant yours into the garden.

Jackie

    Bookmark   June 11, 2013 at 11:11AM
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nanadollZ7 SWIdaho(Zone 7 Boise SW Idaho)

I haven't tried growing any Austin in threes, but I can think of at least two which might work this way because of their smallish, compact growth: Tamora, a creamy soft apricot and The Prince with its very dark purple red blooms. I've had each for several years, and they don't seem to want to get huge, which is what I want, given their locations. They both, especially Tamora, have really lovely growth habits. No shooting canes, nothing popping out at odd angles. Diane

    Bookmark   June 11, 2013 at 1:34AM
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SoFL Rose z10

Diane! OMG your roses are like my dream come true! I've never seen austin roses growing in my climate so I have no idea if mine will ever get like that but one can only hope wish and dream. If I wish it enough maybe it will happen!

    Bookmark   June 11, 2013 at 10:20AM
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catsrose(VA 6)

It seems to take DJ a while to get established. I'm with Ann--give it time. Do be careful of watering, tho. Clay can have drainage problems. Another thig to check is that there are no air pockets. Stick a couple of fingers in deep. The soil should be firm. Often, when bareroots get planted by nurseries, the soil is too loose. When it settles, it leaves air pockets.

    Bookmark   June 10, 2013 at 8:50AM
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gardenheat(9b)

Don't give up. Don Juan is a vigorous climber that produces an abundance of deep red roses. I grow two in full sun in Las Vegas. These plants receive sun from the a.m. Until about 4 p.m. .. It has been over 100 degrees for two weeks or more and the 90s before that. My first blooms were in early April and the bushes have not been absent roses since then. Anything that does well in this heat... Should survive moderate temperatures in other places barring winter damage....Good Luck! I hope you get to the bottom of it.

    Bookmark   June 11, 2013 at 12:02AM
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buford(7 NE GA)

I have a rose bed which has a border of at least 2 feet wide walkway, then my lawn (bermuda) the Bermuda grass can grow underneath the 2 foot walkway and invade the rose bed. I don't think stone edging will keep it out. I just edge any beds with a gas edger attachment and pull out any stray grass that gets in my beds. Usually after a rain, they are easy to pull out.

    Bookmark   June 10, 2013 at 6:14AM
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lainey2(7a)

I believe it, Buford. I was looking for an easy way out.

    Bookmark   June 10, 2013 at 11:47PM
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TNY78(7a-East TN)

Really pretty, Susan! Even with as many roses as I have, I don't have a single standard...not sure why, I love when others post picture of them :)

Tammy

    Bookmark   June 10, 2013 at 9:36PM
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susan4952(5)

Thanks, Tammy. I am just so shocked at how well she has done! You should give them a try. I have black cherry and April in Paris in the ground in Chicago, so you could do very well in your zone. Another pic. Just Joey.

    Bookmark   June 10, 2013 at 11:42PM
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ken-n.ga.mts(7a/7b)

After looking at the roses that Dewars are selling as 'Red Sensation', then looking at Sensation on HMF, they look like an almost perfect match. Only way to know for sure is to e-mail Dewar and ask.

    Bookmark   June 10, 2013 at 9:50PM
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Chaoticdreams(8)

Hey, thanks for the help! I really appreciate it. :)

    Bookmark   June 10, 2013 at 11:03PM
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hoovb zone 9 sunset 23

Roses are more vulnerable to PM when their foliage isn't getting enough water from their roots, which often happens on young or transplanted roses. Keep the plant well watered though not drowning and as it settles in it may be more resistant, if it is not a cultivar prone to PM. Some are. You can spray off the foliage with water every morning, provided it is sunny/warm enough to dry in a few hours, to wash off spores. You could spray with a fungicide if you are really concerned.

PM spores float through the air for miles and miles, there isn't anything you can do about that except keep your plants as strong and healthy as possible, so their natural resistance can best protect them.

    Bookmark   June 10, 2013 at 10:44AM
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seil zone 6b MI

As hoov said the PM is just out there and only needs the right conditions to show up. Often times greenhouses have those conditions so it will show up there. Transplanting a rose can stress it and make it more susceptible too. You've planted it now in a good location so chances are it will clear up on it's own.

    Bookmark   June 10, 2013 at 6:27PM
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