Sangerhausen provides cuttings on request - but they can't be sent to the US. Maybe you know someone who will particpate in the Heritage Rose Conference next year in Sangerhausen?

"Dab", you are a member here, and you can look up this rose at Helpmefind.com. I just checked to see if any new information is there, and if there were any vendors of this rose, or gardens where you could see it.

There are three gardens in europe that grow it, look under the tab marked "Gardens" and click on the box, you will see "France" and Germany" you can then select which country you want to check. There are two gardens in France, and one in Germany. One of the French gardens is Renoir's garden.

There is quite a bit of new information now on the Painter Renoir" rose, and an old black and white photo has been added. The entry page for the rose is a bit confusing, it says it is a light pink, but when you translate the last entry under "References" that is in French, you can get a better ide of what it looks like.

Here is a paste from "Bing"
(there are some rough spots that you have to work around, no online translator is perfect):

"Journal des Roses (1911) Page(s) 6-7. Includes photo(s). (magazine)'

"Roses (Estable) Renoir painter 1911 new superior extra for the rupee, export flower and the collection. -Update the trade in the fall of 1911, by Mr. Louis Pöllat, Rosarian to Antibes-les-flowers (Alpe-Maritimes) , which is the editor, the breeder is unknown to us.

This rose, a cross from Paul Nabonnand and Marie Van Houtte a, the first, the port and the foliage and also a little colour, though snappier, and the second shape spines and a vague remaining yellow to the insertion of the petals. These are large, beautiful pink satin, slightly washed yellow pink at the base; the foliage is light green, shining; the spines are strong and frankly curved.

The button is elongated, the flower very double, largely extended, done well, taking to the water, opening very regularly, Bluestain. (I think they mean the rose doesn't turn blue in hot weather.)

It is perfectly resistant to long trips and is placed at the forefront of roses cultivated for cut flowers and for export. It will be certainly very well in the most beautiful collections of amateurs, in gardens and flower beds. The plant is robust, vigorous and generous, from perfectly in the open air and easily accommodating a limestone terrain and even quite poor quality. It flowers early in the fall and is very early in the spring. In addition, the flower has an exquisite perfume approaching many of Marshal Niel.

This rose, obtained in 1899, has been studied and multiplied with care, and the evidence she gave in cut flower on the Paris market, sufficiently attest its high quality. Painter Renoir is actually a great future rose!

Having been sold on the floor of the halls for several years, this variety has, of course, not passed unnoticed and she had a name? It would be nice to know, so that the growers of roses are fixed. It probably happened at the rose Ulrich Brunner that was sold from the beginning under the name of Marguerite of Burgundy, that is, an imaginary name was given to him. Which one? We may delay not to know him."

I just saw Jedmar's reply, so maybe you can find some other roses that looks similar, or another rose that the Impressionists had available to them.

I think Derek Fell's books mention a few roses, but there are other books on Impressionists' gardens, but in each case it's a bit of reading, and maybe some online searches to find what was grown and by them.

I've been trying to come up with flowers grown in that time period, there are plants still to be had that they used. That was an exciting time, both Monet and Jeykll both used some of the same suppliers. As far as I know Monet and Jekyll never met, even though Monet's son went to school in England.

Vintage Gardens, the rose nursery in California, is sure to have at least one rose that was grown by those artists.

You don't say where you garden, (you need to change that so we can all help you better), but hopefully it's in a warmer climate on the west coast.

There are good roses for each climate, and even if you need to protect roses in winter, maybe choose a rose that looks simliar, just in case the winter was particularly rough, and you lose a bit off your climbing roses you so want to grow. Good fortune in your searches, and even more in growing them.