Roses forum→RRD Identification Help Needed

Views: 242, Replies: 7 » Jump to the end
Grapevine, Texas (Zone 8a)
Jul 4, 2020 12:36 PM CST
Hello! I am experiencing a full-scale rose rosette epidemic in my yard here in North Texas. I have lost 20+ rose bushes to RRD this year. I have gotten pretty good at identifying the symptoms of RRD. However, there are a few bushes with new growth that I'm unsure if it is infected with RRD or not. Would y'all mind lending your expertise to these photos? Thanks so much! It's been a very disheartening growing season at my house.

#1 Mister Lincoln:
Thumb of 2020-07-04/LindsayG/c39194

#2 Mister Lincoln
Thumb of 2020-07-04/LindsayG/bc7a6d

#3 Mister Lincoln
Thumb of 2020-07-04/LindsayG/d816f2

#4 Black Magic
Thumb of 2020-07-04/LindsayG/194931

#5 Black Magic
Thumb of 2020-07-04/LindsayG/ab7224

#6: Red Ribbons
Thumb of 2020-07-04/LindsayG/2bc522

Name: Amanda
KC metro area, Missouri (Zone 6a)
Roses Zinnias Region: Missouri Cat Lover Dog Lover Bookworm
Native Plants and Wildflowers Region: United States of America Million Pollinator Garden Challenge
Jul 4, 2020 12:58 PM CST
They all look normal to me.
Grapevine, Texas (Zone 8a)
Jul 4, 2020 2:13 PM CST
I forgot to add that the thorns on each of these samples are translucent and pliable (flexible, rubbery). Should the thorns on new growth be rigid immediately, or do the thorns harden over time? I'm just wondering if pliable thorns are a surefire sign of RRD?
Coastal Southern California (Zone 13a)
Jul 4, 2020 2:30 PM CST
Lindsay, that is all lovely new growth. And yes ... prickles on immature new growth are often soft and translucent, and sometimes a lovely translucent mahogany red.

I hope the roses you removed didn't look like what you posted here. All this is quite lovely.
Name: Porkpal
Richmond, TX
Charter ATP Member Dog Lover Cat Lover Keeper of Poultry Keeps Horses I was one of the first 300 contributors to the plant database!
Garden Ideas: Level 2 Plant Identifier Raises cows Roses Farmer Celebrating Gardening: 2015
Jul 4, 2020 2:44 PM CST
They all look good to me too.
Name: Dennis Brown
The Big Island, Hawaii
Jul 4, 2020 2:57 PM CST
If the roses you discarded looked like the ones in your post, I suspect you tossed a bunch of healthy roses. The experts on this forum can usually determine if your roses are healthy and, if not, what remedies may be available. I know this is beating a dead horse but check with the experts here tossing your plants.
Grapevine, Texas (Zone 8a)
Jul 4, 2020 3:13 PM CST
Thanks, everyone!! The rest of the roses I discarded had canes displaying very pronounced witches' broom growth and grotesque amounts of thorns. They weren't close calls. I'm glad I asked for your input; it seems I have developed RRD paranoia. My neighbor had an RRD infestation, and didn't realize what it was until it was very, very bad. My plants probably were collateral damage.
Falls Church, VA
Irises Region: Mid-Atlantic Garden Art Dragonflies Garden Photography Garden Procrastinator
Bookworm Birds Enjoys or suffers cold winters Hellebores Peonies Roses
Jul 12, 2020 9:53 AM CST
@LindsayG. I agree, your is fine. Glad you did not dig it out. To me, RRD thorns are very close together and the leaves also are elongated. Correct me if I am wrong.

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