Looks like RRD (Rose Rosetta Disease).

Looks cool, whatever it ends up being.

I agree with Catsrose, it could be RRD or it might be damage caused by an herbicide. Have you sprayed an herbicide around this rose bush lately? It could also be a random mutation.

Don't expect the rose buds to develope into anything normal looking. If I were you I would cut off any forming buds from this cane in order to help the rose preserve its energy for healthy growth. Be careful to thoroughly clean any shears used to cut this plant, just in case.

Adrian.

Wow..that is weird. Hey, keep sending us pictures..let us know what happens!

Also known as Witches Broom. I had a rose once that looked exactly like the 2nd photo. Let's hope that it isn't your rose's problem. "Rose Rosetta Disease. ThereÂs no cure for this disease, once a bush has it, the bush must be removed, along with all roots...
Once, only a concern for the eradication of wild roses and carried by a mite from spot to spot. The disease was so contagious, the diseased bushes were ground up and spread around the wild rose growth to infect more bushes. These bushes were considered unwanted weeds and the practice was continued until it was realized the cultivated rose bushes were succumbing to the disease as well. Rose Rosette Disease (RRD) is a virus spread by a mite, the symptoms vary, depending on the species of rose affected. Some of the more recognizable are rapid elongation of new shoots (what I call "feathery looking leaves), with red coloring. The trouble is, new growth in roses is usually red, but in a healthy bush, the red turns green after it develops, with RRD, it does not. Canes on some can develop excessive growth of unusually soft and pliable red or green thorns, which may become stiff and grow in great masses. Flowers may be distorted with fewer petals and with abnormal coloring. A diseased plant may exhibit few of these symptoms, especially in the early stages and by the time the symptoms are severe enough to recognize, it is likely to have spread to neighboring plants. Left on itÂs own, your whole rose garden could become infected... If you notice any strange growth on a formerly normal bush, you could cut that cane off, down to the ground or the bud union. Then if growth seems normal, youÂre all right. ItÂs just better to be safe" (https://home.att.net/~kalrosesociety/news/Nov05.htm) The virus stays in the soil for years unfortunately and you can't replant another rose in that same spot.

No, not RRD. It is a developmental error in the formation of the stem called "fasciation," not common but well known. It is harmless except in that it is wasting plant energy.

That's very interesting. Well known maybe, but not by me anyway. I have to say that I've never heard of that before so I looked it up: http://www.rosefanatics.com/book/export/html/49. I hope that's the case. RRD Ugh!!!! Look at these pictures: http://www.au.gardenweb.com/forums/load/roses/msg1100562612269.html. They look exactly like yours and it was attributed to facination. Thank goodness!

No No No NO!!!!!

This is fasciation!!!!!

It is nothing to worry about!!!!

Not every weird thing is rose rosette disease. Please please be careful about misdiagnosing potentially fatal diseases. Pelicanhead or anyone could wind up panicking and ripping out a perfectly healthy rose.

Just cut out the cane or keep it--if you like weird things and want to see what happens. It will do no harm.

Sorry about the strong language--I just don't want to see a perfectly good rose shovel pruned.

My rose is in a pot, so if there was a problem with it I could just pitch the whole thing. I think I will watch it for a while and see what happens. At first I panicked but it sounds like it is just a wierd growth. I've had this rose for about 3 years and this is the first time it did this.

The key is in the earlier photos where the stem isn't a single cane but a cane morphing into a cane that is several canes making an odd oval in cross section...and when the terminal bloom develops, you see the odd tightly spaced blooms.

Ususally the rose will keep part of it alive and part of it will die.

(And fasciation isn't just a rose thing, but happens in many plants. In spring, in a field of dandylions, you'll probably see two or three dandys with fasciation.)

I've had that on my purple Culver's Root many times.
BC:)

Same plant of Culver's Root? (I don't know what Culver's root is.)

I also wonder if fasciation can work through the vascular system of a rose easily. There's nothing in the literature about it.

Mutant rose fans, has enyone ever seen roses like these...These canes produced beautiful roses for the past two years. Two years ago I planted this rambling rose bush on the west side of my garage. It grew up on a trellis beautifully and gave gorgeous flowers. Last fall I trimmed it down to the basic canes I wanted. This spring started out sprouting as I would have expected. After a late frost it begun dying, it seemes-see picture(now it looks like it will recover). Also I sprayed it with melothione. Two buds that appeared normal grew to look like sunflowers. The center of the rose grew to about 1.5" with dwarfed petals around. The center is like a seed cluster. Are these seeds? Never seen anything like it in a rose. Can't find any reference in the internet. Something similar came up as a desease called rossette. Is this normal or the desease?? Your comments and suggestions are welcomed. Request photos at villarts@hotmail.com. Thank you. Arturo

Different states have different Rose Rosette Disease pressures right now. I've got a pretty good idea the extent of the disease.

Mutant roses are sad, some are caused by herbicide but in the eastern half of the US, RRD is the culprit very often.

Take some time to read my e-book and see the pictures. Start with the FAQ at the top of the page and then read some chapters.
I'll be back on line late this afternoon.

Ann

Here is a link that might be useful: Rose Rosette E-book

So, hould I pitch this plant? It was an inexpensive one from Home Depot. I don't want anything to spread.

This is obviously fasciation. The fasciated form of some plants are actually highly prized...especially by arrangers. Fasciated mullen is especially sought. The next growth is likely to be normal. Just let the strange stem tell you where it wants to regrow. It's hard to pinpoint a growth bud on something like this.

I just found this today, but I have seen it before. I think it happens when I give too much fertilizer, sometimes I do that.
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Pelicanhead, Ann was talking to Arturo, not to you. There is no doubt that what you have is fasciation. Just cut the fasciated stem off at the base and stop worrying.

Ramblin', your picture shows what is known as "bent neck" (duh, big technical term!). It is also the result of a development error. There is no external cause.

I noticed a long time ago that oddly enough Double Delight and Double Perfection have somewhat of a tendency to form double centers so the rose is in effect a siamese twin. As I understand it this is a characteristic of fasciation.

Thanks Michaelg, I was starting to panic again.

Updated pic

The stem split in half and has tons of buds ready to bloom

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Uh-oh. Be sure that thing isn't moving around.

Here is a link that might be useful: {{gwi:262450}}

LOL Thanks for a good laugh

Wow i didn't know roses could do that, i haven't had much luck with mine, some green caterpillars like them very much though so far insecticidal soap seems to work on them and the aphids, but then i had winter die back so now i will mulch better this winter and see what happens!

Wow! that is one "funky-lovely" mutant! It almost looks like a cross between a cactus and a rose! You'll have to post its bloom madness when it blooms! can't wait to see!

MichaelG, that poster was pretty funny too!

Update. Bloompalooza

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Oh my God. It is trying to attract a mate.

I am LMAO, MichaelG!

Had it not been for your wonderful descriptor Michael, this is what I would have written:

Pelicanhead, your rose is trying either do: a flash tango, with all its mega blooms...trying to seduce its viewers

or 2.) it's trying to imitate a tree rose!

Anyway, cheers to your spunky rose... It is looking very fun and feisty!

very cool, thanks for posting.

HOly MOly! That is some rose!!! Wow, i would give her an extra feeding...that had to have cost her a bunch of energy, poor thing!

Michaelg, hahahahaha!

Maybe fasciation isn't so bad. All the flowers look beautiful.

Many succulents and cactus do this as well--same as fasciation?, they are called the monstrose or crested versions. Some of them are quite attractive.

Here is a link that might be useful: Crested cactus

I had a carpet rose with an identical anomaly. I cut it off, took it to the extension office. They sent it to the university where it was diagnosed as rrd. I cried as I dug out a huge rose, 6X6, that bloomed nonstop, then waited several years before I replanted a rose in that spot. The rrd came back in Fourth of July the next year. I found wild roses growing on a nearby wooded area and sprayed herbicide for years before I could get rid of them. Don't take it lightly.

In Southern California, in "funny" weather years, we have this happen. Not to worry.

Jeri

uh, Lainey, this is definitely not! RRD....there are several indicators why it isn't... (just one of the blatant signs that it is fasciation is the very succulent,huge flattened stem). RRD does not have this huge broad flattened stem... And if you look online for images of fasciation on Google you will see that it is indeed fasciation. We are laughing because it is a very spunky, funny rose! I personally love it because I like funny bloomers like orchids and cactuses... they're genetic oddballs but full of "personality" and character... Anyway, I am very sorry to hear about your RRD.

Pelicanhead I'll be interested in the puzzler of...how will you deadhead your Green-Giant Cactus Rose...hee-hee! I wonder where the new baby stems will come out from...

Amandahugg wrote: The fasciated form of some plants are actually highly prized...especially by arrangers. Fasciated mullen is especially sought.

Pelicanhead, I would think yours makes "Best of Show" with that eyeboggling color-whopper display...Cheers and congratulations!

OMG I didn't think about deadheading. How will I even attempt that. This has definitely been a "funny" weather year.!!!