Nyveldt's Hedge Roses

This one is a mystery whose depths I have been unable to plumb.

From what I have been able to uncover, Nyveldt crossed Rosa rugosa rubra (=R. regeliana) with R. cinnamomea (=majalis), then crossed one or more of the hybrids with R. nitida, apparently a selection or hybrid named ‘Parfum’.

From the seedlings of this last cross (or crosses) he selected a white, a pink and a red. These seem to have collected synonyms. E.g., ‘Snow Hedge’ and ‘White Hedge’ and ‘Nyveldt’s White’ may be the same variety. ‘Pink Hedge’ and ‘Dutch Hedge’ may be the same, as may be ‘English Hedge’ and ‘Red Hedge’.

All the sources I’ve seen (except HelpMeFind) have R. rugosa rubra (one of the extra-hardy Russian rugosas). I don’t know how x Paulii came to be associated with these roses.

Or not.

American Rose Annual, vol. 50 (1965)

Dutch Hedge (A. A. Nijveldt ’58) Rosa rugosa x R. cinnamomea. Root-stock type. Ovoid bud. Pink, small, single blooms. Moderate fragrance. Many thorns. Vigorous growth.

Snow Hedge S (A. A. Nijveldt ’63) R. rubra x R. nitida. Ovoid bud. White, single blooms borne in cluster. Strong fragrance. Light green foliage, many thorns.

Nijveldts White Rg (A. A. Nijveldt ’58) R. rugosa x R. cinnamomea. Ovoid bud. White, large, single blooms. Slight fragrance. Many thorns. Vigorous growth.

Also, Krussmann (Manual of cultivated broad-leaved trees and shrubs, vol. 3, 1984) lists ‘Dutch Hedge’, ‘English Hedge’, ‘Pink Hedge’ and ‘Red Hedge’ separately.

Any suggestions?

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Karl K, sorry to dig up such an old thread but I found what you are saying here really interesting. Have you discovered anything further on this topic?
I don’t know the ancestry of Nyveldt’s Hedge roses, or whether some of them might be the same rose under different names, but I do agree that White/Snow Hedge appear to be one and the same, although Nyveldt’s White seems to be a bigger plant, almost twice as tall per HMF and the website simolanrosario.
In any case it does seem, extrapolating from the info on HMF and the Rugosaroser.dk website, that the Hedges are parents to many if not all of the Pavement roses and also to all of Baum’s “mountain” roses (Mont Blanc, Monte Cassino, Monte Rosa) as well as several others bred by Baum.
I also have wondered if, in spite of Austin’s claim to have used a Svejda rugosa for wild Edric, the code AUShedge might not point to one of these too.

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I tried again recently, but I have found nothing new about Nyveldt’s roses. However, I have learned much about the so-called Rosa rugosa that was involved in them and other Hybrid Rugosas.

Maximowicz was in Japan from 1860 to 1862. Among many other things, he collected seeds from a rose growing in a Japanese garden. These seeds were sent to Regel in St. Petersburg. Regel sent some on to J. Linden.
Regel raved about the seedlings, in particular the one he called ‘Kaiserin des Nordens’. Andre also raved.
Few botanists of the time seem to have been familiar with a hybrid swarm The varied offspring of Maximowicz’s collection exhibited an interesting assortment of traits derived (apparently) from Rosa rugosa and R. davurica (Siberian version of R. cinnamomea).
It is worth noting that Regel wrote that KdN bloomed on old wood, then again on new canes. I’m guessing that the frequency of bloom would vary with treatment (nutrition, pruning, etc.).
BTW, Maximowicz studied under von Bunge … the guy who observed that Hulthemia has no “true” leaves.
Here is a link to my list of info on the “Russian” Rugosas that were both super hardy and drought tolerant. The real Rugosa is thirsty.
In addition, these Rugosas has an odd habit of disappearing, then reappearing abruptly as sports, or gradually under varying conditions. Another list:
Almost forgot. Here is a Chinese version called ‘Purple Branch’, and some research into how two once-blooming species can beget a reblooming hybrid.


@Karl_K this is wonderful, thank you! It is fascinating to understand these differences between the real rugosa and the russian one, and read all the early observations about them. What a task to have compiled all of this!
Very useful information when looking for desirable characteristics in their descendants. So Nyveldt’s hedges, if descended from the Russian rugosa×davurica line, might bring more drought tolerance than other rugosa hybrids.
If only more of the parentage were disclosed for Nyveldt’s and Baum’s rugosas, the picture would be completed, but specific information seems to be very elusive.
The genetic work on Purple Branch is really interesting. The abstract available on the HMF reference page for the article seems to say that there might be another ancestor than Davurica involved: “our work contradicts the notion that Purple branch was derived from an interspecific cross between R. rugosa Plena and R. davurica .” If I understand correctly it is implied that this would be Old Blush.

‘Purple Branch’ and "Old Blush’ may share a gene, but there is no way to know (yet) where that transposon modified gene originated. ‘Old Blush’ is only one of many “traditional” Chinese roses. We westerners have seen only a small selection.
But the important lesson of the story, I think, is that PB carries a fully functional “once blooming gene”, but the gene is silenced. This is the sort of thing that can be “acquired” and gradually “canalized” by vegetative selection … like ‘Commandant Beaurepaire’, ‘Gen Jacquiminot’ and ‘American Beauty’ that became reliable rebloomers by bud selection.
BTW, I put a larger discussion of ‘Purple Branch’ on my web page, that I linked above.