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The leaves of a few of my roses are turning yellow...then eventually brown at the edges. the whole plant seems to be going that way slowly but surely. I tried extra iron...didn't make a difference...then nitrogen...and still no difference. Any idea what may be causing this ?...it is happening on a bush that is next to several aothers that are quite fine.
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#1 of 11 posted
8 JUN 06 by
Wendy C
Where is the damage occuring? The bottom of the bush, top, middle...all over? Are the leaves dropping? If you could manage it a photo would be very helpful. |
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#2 of 11 posted
27 JUN 06
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* This post deleted by user *
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Hi Wendy...thanks for replying re the rose bush that is yellowing/browning. It is next to several other bushes, but it is the only one that seems affected ( though i see that my Grootendorst is showing signs of the same thing...it is far from the original affected bush. I am trying to include a photo, but the photo is too large to send, and als I still haven't found out how to resize it while in this site. I will try off line and resend again if i am successful. Thanks for your time!
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Here is the pic of the yellowing/browning rose...hope this helps
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#5 of 11 posted
27 JUN 06 by
Wendy C
Well I can certainly understand why you thought it was an iron deficency, but that doesn't explain the brown, dry parts. And if you gave the plant iron it should have corrected. It looks like something is impeding the travel of nutrients. Is there any sign of insect damage at the base of the plant? Could you have a gopher or vole digging about? This is unlike anything I've seen. Perhaps someone else will pop in with an answer. |
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#7 of 11 posted
24 JUL 06 by
 smoner4
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I have this on several rose bushes, and am going crazy trying to figure out what it might be. I'm not sure if there is a connection, but the affected roses are all in an area where my dog likes to urinate on them and kick mulch all over the place. Thanks for any more advice anyone has on this condition.
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#8 of 11 posted
24 JUL 06 by
Wendy C
It could be your muttly is burning the feeder roots of the roses. If keeping him out of the area isn't an option I would suggest hand watering the area very well when you suspect he's been in there and see if that corrects the problem. Hope this helps |
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#10 of 11 posted
24 JUL 06 by
smoner4
Thank you, I've been trying to rinse the leaves when I notice they're wet (when it hasn't rained), but never thought to water the ground unless the soil needed it. Would additional mulch further protect the feeder roots? I only have about 1" right now. Our dog is just trying to mark his pack's territory I guess, he sees me working on them and then he thinks he needs to guard them or something. |
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#11 of 11 posted
24 JUL 06 by
Wendy C
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If he's marking territory then the urine is going to be more concentrated than normal, which would give the rose an over dose of ammonia (nitrates). A thorough soak would dilute it and make it less harmful. An extra couple of inches of mulch would help too, by holding it until it rains or you water.
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#6 of 11 posted
29 JUN 06 by
NMrose
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Wendy: Is this a budded rose? Could be translocation problem in the bud union, sometimes budded roses have plumbing problems. Could also be sulfur depending on where you live and soil type. Here southwest we have iron and sulfur problems. I am trying to replace my budded roses with only "own root" roses. Eliminates the mysteries of budded roses etc. Good luck!
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The rose is an "own root" rose. Oddly enough, it isn't hapening to the rose next to it. It is however happening to several others in other parts of the property. It looks like only rugosas are suffering from it. I have cut the roses back to the ground. when they regrow, they start off green but then gradually return to yellowing and browning.
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#12 of 11 posted
24 JUL 06 by
Wendy C
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Have you thought about potting these roses? Lifting them would give you an opportunity to examine the roots for disease and pests. And a pot might give them the extra tlc to get over whatever is bothering them. Of course I'd wait, if possible, until the weather cools a bit.
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