Also has anyone ever used Rosa Amande Paternotte? If so does this rose set hips?
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I have never gotten any hips to form on āMarchesa Boccellaā (what you are probably calling āJacques Cartierā) the several times I grew it and tried using it in breeding before mostly giving up on Portland roses because of their high disease susceptibility.
The identification of any rose floating around under the name āAmanda Patenotteā today is rather contentiousāyou might mean a variety that is more frequently being called variously āPortland from Glendoraā or possibly āJoasine Hanetā. Iāve nearly been tempted to try it/them, but have resisted, mostly because Iāve been burned too many times by Portlands here.
I donāt know what region you live in or hope to breed roses for, but mates will need to be chosen very carefully for their potential contributions to the offspringās disease resistance if you want them to have much lasting appeal, assuming that you can even keep the Portland parents alive and happy long enough to serve their purpose.
Stefan
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Hello Stefan
I live in the UK and have seen portlands in gardens which do not use sprays. So hopefully I will be fine/lucky in my endeavour. The Portlandās that are on sale in the UK seem to be the few that are moderately disease resistant for this climate. I was going to mix them with themselves and some wild roses just to see what I might get. Most people seem to be warning me of themā¦
James
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Just wanted to bump this post to see if anyone new has used Rosa Amande Paternotte?
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Or Portland of Glendora (if it is the same rose)
There still seems to be disagreement on this question. However, I seem to remember reading that āPortland of Glendoraā is not fertile.
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Would be a shame, it smells utterly devine
I grew Glendora for nearly twenty years and never observed an OP hip on it. I also never found any pollen in any of its flowers. I didnāt pollinate any of them so I canāt attest to whether that might have resulted in anything or not.
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Glendora flowers have yellow button eyes. This is certainly also an explanation as to why there are problems with fertilisation.
Well a boy can dream, itās up their with my favourite scents
Scraping the barrel a bit now but has anyone grown Blanc de vibert? If you have one, does it set hips or have viable pollen? Seems hard to obtain in the UK
Sorry to bump this, I just am still interested if anyone has used this rose at all. It would be difficult for me to get, so would like to know if itās worth it
Are those 3 repeaters healthy?
Unfortunately, one of the three seedlings was very susceptible to mildew, it was dark red-purple and would have been the most interesting of these three. The second looked typically like an English rose and was prone to proliferation. The third one was very healthy, had single flowers but developed far too few flowers in relation to the foliage. I am continuing breeding this way.
I have also obtained Portland seedlings this year. As usual, there are still no flowers. As the paternal parent is for most a repeat-flowering rose, there is a slight chance that some flowers will appear from July-August. This would quite probably indicate a remontant plant.
As has often been mentioned under this topic, many of the seedlings with Portland parentage are primarily very susceptible to powdery mildew and these are usually the more interesting looking ones. Breeding is a matter of statistics. The more seedlings, the higher the chance of success. They say one in a hundred of a single cross but sometimes the super goal happens sooner. This is our great challenge and luck.
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I have some portland plants this year, 3 of which are vigorous and filled 7 litres potsā¦ They are now in my ātestā bed. Hoping for the July bloomā¦ Thank you for suggesting Indigo a couple years ago. It is the mother!
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Iām happy that āIndigoā was perhaps a good choice for you and Iāll keep my fingers crossed that the further development goes the way you wish.
āIndigoā is also the mother of my seedlings, except for one, of which the maternal part is āRose de Reschtā, it is the only one left. A good growth, as you mentioned, is already the best prerequisite. We will see how it goes on. Much luck!
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Yeah indigo is looking like my main mother plant at the moment, lots of crosses on her this year. Will keep you posted if I get bloom this year!
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I bought āBlanc de Vibertā from Pickering Nurseries 25 years ago, and itās one of the worst OGRs I have ever grown. 95% of the copious buds it produces fall off before opening, so what you get is maybe 8-10 blooms on a chlorotic, blackspot prone plant, and those few blooms are very thin-petaled and unremarkable. If my plant is typical, I have to wonder how the heck this rose ever made it past the discards pile.
Mine has never produced a hip in 25 years and because of its many flaws, I have never attempted to collect pollen, assuming it has any. Run away! Donāt even think about using this plant for anything.
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Oh goodness, thanks for the heads-up! I just want to have a white Portland, guess I will have to get really lucky
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The fact that there are no listed descendants on HMF tells me āsave your timeā.