@murasaki It looks like an attack of mealy bugs or woolly aphids those threads and spots, possibly with something else mixed in disease wise, its damaged plants and made them more vulnerable so ones encouraged another. Devastating for you. I Read that Roses dont like systemic pest control apparently as they can be sensitive to weed killers etc, so switch to spray on bug spray, including underside of leaves. Id spray with fungicide too but the canker etc those pests can cause. Burn / bin all removed leaves etc and clear underneath them and put a layer of fresh compost around to help stop any spores etc being kicked up in rain. Feed and keep watered as much as possible to help keep plants health up so they can fight off infection etc better. The brown die back cut off below as you are, making sure to sterilise clippers between so you dont spread disease between plants. Leaves, the heat probably isnt helping but any dead leaves remove and bin.
Have been conserving water and so have watered these 3 roses in pots maybe a quarter to a third of the recommended amount ( ie probably no more than a 2 litre milk bottle ( full of water, not milk!) each every 4 or 5 days. So all things considered, pretty happy that they are still flowering ( famous last words). 3 different blooms in various degrees of maturity on Julia Child ( all photos today) Iceberg bloom today and same bloom in bud on Sunday 7th Aug, Chandos beauty same (ish) angle photo to illustrate the same flower -- anticlockwise from bottom right sunday , monday , today.
More lovely roses 🌹 everyone, so many new favourites added to my list.Â
@murasaki  Sorry to see your poor roses. I know how it makes feel when a widespread disease strikes the garden
As others suggested, at this stage  I’d probably try and just cut back and hope the roses recover.
Last month I had an attack of some type of scale insect on my normally healthy hydrangeas, then four bay trees and an Acer (pesticides were not effective in removing them due to the waxy coating). It took considerable effort to remove them all by hand as the eggs stick like glue.Â
I also had to cut some bay leaves and stems out that had rolled up and were pretty infested with insects. Luckily our efforts paid off and now all are looking fine. I did spray them again after I finished to try to prevent any re- infestation.Â
Saying that, I cut out most of the canes on my Purple Skyliner rambling rose yesterday. I’ll probably remove it completely once the soil softens as it has had powdery mildew two years in a row. I was also worried it may spread to the healthy Blush Noisette growing next to it.Â
Silver Anniversary pic taken today, it’s a large flowered rose normally but this second flush has smaller roses (it has grown quite tall this season too and flipped over its supports a little).
Iceberg - is still non stop atm, with lots of new buds comingÂ
@plthom321 I don't see too much wrong there, some manky leaves, looks like a bit of rust perhaps, or some leaf scorch.. can't be sure exactly.. I would just snip those off with a scissors, and discard, it won't hurt your roses at all and they will soon grow new ones..
Same with your honeysuckle.. you appear to have been looking after them quite well. Not something I would be worrying about too much at this stage..  if you have the heat and drought as I do, then it's not a good year to establish new roses I'm afraid... but all will be well, I can assure you of that..
@Marlorena I'll keep on eye on them. I've just watered it all and snipped all the dead bits. I did not that I had a complete black stem along with pitch black leaves on the honeysuckle which was odd.
I suspect it's weather related.  I have a variegated shrub with many leaves that have turned black.  I noticed some brown dead wood on one of your roses, that should be pruned out too. Very common to get bits of dead wood..
Posts
I Read that Roses dont like systemic pest control apparently as they can be sensitive to weed killers etc, so switch to spray on bug spray, including underside of leaves. Id spray with fungicide too but the canker etc those pests can cause. Burn / bin all removed leaves etc and clear underneath them and put a layer of fresh compost around to help stop any spores etc being kicked up in rain.
Feed and keep watered as much as possible to help keep plants health up so they can fight off infection etc better.
The brown die back cut off below as you are, making sure to sterilise clippers between so you dont spread disease between plants. Leaves, the heat probably isnt helping but any dead leaves remove and bin.
 https://www.gardeningknowhow.com/plant-problems/pests/insects/woolly-aphid-control.htm
3 different blooms in various degrees of maturity on Julia Child ( all photos today)
Iceberg bloom today and same bloom in bud on Sunday 7th Aug,
Chandos beauty same (ish) angle photo to illustrate the same flower -- anticlockwise from bottom right sunday , monday , today.
@murasaki Â
Sorry to see your poor roses. I know how it makes feel when a widespread disease strikes the garden
As others suggested, at this stage  I’d probably try and just cut back and hope the roses recover.
Last month I had an attack of some type of scale insect on my normally healthy hydrangeas, then four bay trees and an Acer (pesticides were not effective in removing them due to the waxy coating). It took considerable effort to remove them all by hand as the eggs stick like glue.Â
I don't see too much wrong there, some manky leaves, looks like a bit of rust perhaps, or some leaf scorch.. can't be sure exactly.. I would just snip those off with a scissors, and discard, it won't hurt your roses at all and they will soon grow new ones..
Same with your honeysuckle.. you appear to have been looking after them quite well. Not something I would be worrying about too much at this stage..  if you have the heat and drought as I do, then it's not a good year to establish new roses I'm afraid... but all will be well, I can assure you of that..
The first flowers of the 2nd round of Ghislaine. I think it is my favorite rose in the garden.