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Earth kind roses trials in northern gardens.

Patty W. zone 5a Illinois

9 years ago

last modified: 9 years ago

This should help us northern rose gardeners. Iowa State University along with three other northern universities is testing several types of roses. The EarthKind roses, Northern EarthKind roses and Kordes roses are among those in the trials.

Earth-Kind® and Iowa State University | Earth-Kind® Roses

Kordes Earth-Kind® Rose Trial - Iowa State University Extension ...

No published information yet for pubic viewing. Certainly looking forward to reading the results.

They also tested many Griffith Buck varieties with results available. Having a bit of trouble finding the direct link to the trial will post it when I find. They have whats considered to be the worlds largest collection of Buck roses. I think they included 49 of them in the trial. I found it and it was 24 varieties

Evaluation of Griffith Buck Roses for Resistance to ... - HortTechnology

Down towards the middle there are choices for viewing the results.

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wirosarian_z4b_WI

9 years ago

I have heard that the people running the Northern Earth Kind Trials have their first set of data in & are working on the report now. They're aiming to get it out & accepted for publication later this year.

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Comments (9)

seil zone 6b MI
9 years ago
I hope they have some of the other reports soon. The Buck reports were quite interesting. Of the ones I have the reports agreed with my own observations.
Patty W. zone 5a Illinois
Original Author
9 years ago
What surprised me most with my buck roses was the lack of cane left after winter. I was new at roses and didn't realize that I need to cut them to the ground. Many are no longer growing here do to black spot and mildew.
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I observed in a post in the recent past that it seemed that the Earth Kind program had not made an announcement in a very long time and questioned whether the program was dead. Nothing comforting was forthcoming in that thread. In the thread linked below, I wrote the following about the discontinued postings of the results of performance ratings of roses by the Peggy Rockefeller Rose Garden of the New York Botanical Garden: "...an innocent might conclude that one would be wrong to say anything bad about a rose or roses, or conversely to advocate the virtues of any rose over any others, it may be that the Garden feels that it would not be politic of them to publish the results of their findings - I don't know." I have also observed on these forums that one of the most popular series of roses ever introduced - and ENTIRELY American I might add, is mostly rosa non grata here. These attitudes are out of sync with modern knowledge and sensibility. I hope better information is forthcoming in this thread. Here is a link that might be useful: How much store do you put in photos of roses?
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Here in Western Washington we do not have a humidity problem but in the spring and fall rain and rain and rain...well you get it. Many Ht's and Floribunda's get oodles of BS especially in the fall. I have ordered many EarthKind roses from Chamblee in Tyler Texas. They have performed magnificently. Amongst the OGR's most dont get BS. Those that do have not had significant leaf drop. There are exceptions however. So if anyonbe is looking for excellent roses that do well in this area the Chamblee list of Earthkind roses is a great starting point for an easy to care for garden. Jeannie
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Here are the roses making the cut so far. Some hybrid, most not. Noticed Knock Out right away. I have grown Seafoam, The Fairy, and Perle d Or in Michigan 15 years ago and know they are old landscape roses. Nice concept Texas A&M has come up with. Here is a link that might be useful: listing and pictures of Earth Kind Roses
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Speaking of the northern Earthkind trials, they really could at least let people know why no details have been released. There were six places involved in the trial. Colorado was the farthest west and Minnesota was the furthest north I think. Then there was Iowa and can't remember the rest. There were 3 separate sets of roses Kordes, Earthkind and Northern Earthkind. Not a word has been released. All of my inquires have been directed to Dr. Ziesak and that goes nowhere. It's annoying! Isn't the NYBG kind of warm. On the line of 6b and 7a it's not really my I idea of cold. Cream Veranda is excellent here. I'm loving my new this year Carl Ploberger.
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nippstress - zone 5 Nebraska
9 years ago
Thanks for posting this Patty! I was interested in the table of results, and particularly in the conclusion that while BS levels tended to coincide with weak performance or survival over the winters it didn't necessarily have to be that way. Prairie Squire was rated one of the BS offenders with 35% coverage, but was one of the best performers. They concluded it could look good in the garden even with BS, which is something I've noticed in my garden. Of course, I have a pretty high BS tolerance, at least in roses (smile).

I'll look forward to seeing the results of these further Earthkind tests - they're wise to do these in cold zones as well as more rose-friendly parts of the US.

Cynthia
Patty W. zone 5a Illinois
Original Author
9 years ago
Thank you Cynthia, I will also be interested in the report on Belinda's Dream. It should finally answer my question. Can she be grown well here or not?
Patty W. zone 5a Illinois
Original Author
9 years ago
wirosarian, Thanks for the heads up. Really looking forward to that report.
redwolfdoc_z5
9 years ago
Very interesting! Thank you for posting this!
Patty W. zone 5a Illinois thanked redwolfdoc_z5
nippstress - zone 5 Nebraska
9 years ago
FWIW, Patty, I have grown Belinda's Dream for about 7 years here in zone 5, in the cold zone 4 parts of my yard, and she's resolutely hardy and pretty BS resistant. She's in part shade too, so I don't get the jaw-dropping profusion of bloom she shows elsewhere, but she's definitely a keeper and hardy for me. I don't think your conditions in IL should be that much different than here in NE, so I'd say go for it.
Cynthia
Patty W. zone 5a Illinois
Original Author
9 years ago
last modified: 9 years ago
Oh my there's nothing like the challenge of a rose. Thank you so much for letting me know there is a chance. Whoo Hoo! Bye the way I'm pretty easy to please as far as bloom is concerned.

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