Search found 1258 matches

by jbergeson
Sat May 18, 2019 4:12 pm
Forum: Rose Hybridizers Association Forum
Topic: Age of fertility
Replies: 2
Views: 49

Re: Age of fertility

I see know reason why the very first blossoms wouldn't have viable pollen. It's kind of fun to get a pocket microscope with which to observe pollen. Someone gave me one of the little aluminum tubes, no batteries or anything, just about the size of a short pen. It's good enough to observe pollen grai...
by jbergeson
Sat May 18, 2019 12:53 pm
Forum: Rose Hybridizers Association Forum
Topic: Kind of starting new
Replies: 14
Views: 340

Re: Kind of starting new

Paul, Isn't that odd? It makes one wonder if there are different genotypes called Hansa. I don't think I've even seen an OP hip on mine. I think I have a few Jens Munk this year that I can plant out. I'm still compelled to go down the difficult rugosa pathway in an attempt to combine cane hardiness ...
by jbergeson
Fri May 17, 2019 4:58 pm
Forum: Rose Hybridizers Association Forum
Topic: Juvenile bloom in cold Hardy varieties
Replies: 3
Views: 63

Re: Juvenile bloom in cold Hardy varieties

Very good news on a Therese Bugnet seedling showing juvenile bloom. That is a good sign that it will be a repeat bloomer. I haven't worked much with TB, but my understanding is that a rugosa may show delayed onset of rebloom. That is a frustrating characteristic for a hybridizer, as we would love so...
by jbergeson
Thu May 16, 2019 5:50 pm
Forum: Rose Hybridizers Association Forum
Topic: Seedling
Replies: 5
Views: 137

Seedling

Any time I have a seedling that defies norms I get really skeptical that a stray pollen grain was responsible...I just wish I knew which pollen it was! This is Highwire Flyer x 1113. 1113 usually produces compact, matte-blue foliage and single blossoms. This seedling ended up with glossy foliage and...
by jbergeson
Thu May 16, 2019 5:42 pm
Forum: Rose Hybridizers Association Forum
Topic: Unusual seedling
Replies: 23
Views: 388

Re: Unusual seedling

"Night Quill" - groan. But also maybe a really cool name.
by jbergeson
Thu May 16, 2019 4:14 pm
Forum: Rose Hybridizers Association Forum
Topic: Stratification period?
Replies: 6
Views: 89

Re: Stratification period?

I change my method every year but it usually involves 1 month or more of room temperature moist stratification in baggies, followed by a month in the fridge, then I sow the seeds in seedling flats and return them to refrigerator temps for another two or three months.
by jbergeson
Tue May 14, 2019 9:46 am
Forum: Rose Hybridizers Association Forum
Topic: R. davidii
Replies: 24
Views: 571

Re: R. davidii

And I just noticed the similarity in the names...someone could have scribbled "R DAV" on a tag.
by jbergeson
Mon May 06, 2019 12:02 pm
Forum: Rose Hybridizers Association Forum
Topic: Wasagaming and Snow Pavement as seed parents
Replies: 8
Views: 237

Re: Wasagaming and Snow Pavement as seed parents

David, I think I'm going to try keeping some rugosas in pots in the greenhouse for use as seed parents. Hopefully the higher temps in the greenhouse will allow more of the pollen that I apply get through and set seed. Hansa has never that I remember set hips in the ground here, so I might pollinate ...
by jbergeson
Thu May 02, 2019 7:42 pm
Forum: Rose Hybridizers Association Forum
Topic: Kind of starting new
Replies: 14
Views: 340

Re: Kind of starting new

Hi Roselynn,

I have not tried Doorenbos Selection. Just looking on HMF, it seems like a fun rose to try. Really cool color. Thanks for the suggestion!

I'd also like to try Duchess de Montebello.
by jbergeson
Tue Apr 30, 2019 10:44 pm
Forum: Rose Hybridizers Association Forum
Topic: Kind of starting new
Replies: 14
Views: 340

Re: Kind of starting new

Thanks for the replies, everyone! I just went through the roses I have for sale and chose the following. Starting from bare root, hopefully will be time for hips to ripen. Above & Beyond - set hips in a pot last year All the Rage - fat fat hips Belle Poitevine - trying to see if rugosas set more hip...
by jbergeson
Tue Apr 30, 2019 5:07 pm
Forum: Rose Hybridizers Association Forum
Topic: R. davidii
Replies: 24
Views: 571

Re: R. davidii

Thanks, MidAtlas, for the alternate idea. One of the commenters on HMF said this: "Rosa marretii, and Rosa amblyotis are the two synonyms of this rose. The species is a member of the Cinnamomeae and closely allied to Rosa Cinnamomeae its self. This species is one of the parents of parents of Thérèse...
by jbergeson
Tue Apr 30, 2019 3:17 pm
Forum: Rose Hybridizers Association Forum
Topic: Unusual seedling
Replies: 23
Views: 388

Re: Unusual seedling

OMG
by jbergeson
Mon Apr 29, 2019 11:06 am
Forum: Rose Hybridizers Association Forum
Topic: Kind of starting new
Replies: 14
Views: 340

Kind of starting new

Nearly all of my stable of potted roses that I use for breeding (and a few just to enjoy, like Double Delight) died in storage last winter. I think we left them out too long before putting them inside. I did lose some special roses that had been passed to me by friends, and at least one unique seedl...
by jbergeson
Sun Apr 28, 2019 1:21 pm
Forum: Rose Hybridizers Association Forum
Topic: Cläre Grammerstorf × Prairie Peace
Replies: 20
Views: 384

Re: Cläre Grammerstorf × Prairie Peace

Rob, I was talking about whichever MMPP was blooming on HMF...did you decide that might be a self rather than a cross? My personal feeling is that it is highly unlikely that we'll get rebloomers in the first generation from using PP pollen. I'm slightly more excited to try it again these days...it w...
by jbergeson
Sun Apr 28, 2019 8:45 am
Forum: Rose Hybridizers Association Forum
Topic: Cläre Grammerstorf × Prairie Peace
Replies: 20
Views: 384

t Re: Cläre Grammerstorf × Prairie Peace

I've been scanning the Prairie Peace descendants on HelpMeFind. Rob, how is your MMPP1, doing? Repeating? Any signs of PP heritage? It would be a breakthrough, perhaps, if we could establish beyond reasonable doubt that PP could pass on rebloom. Thanks for posting the pic of my DKOPP, Rob! I was lik...
by jbergeson
Sun Apr 28, 2019 8:29 am
Forum: Rose Hybridizers Association Forum
Topic: Cläre Grammerstorf × Prairie Peace
Replies: 20
Views: 384

Re: Cläre Grammerstorf × Prairie Peace

It will be interesting to see if this can create reblooming seedlings, Rob. I think the theoretical proportion will be 1 in 6 rebloomers when crossed with a reblooming rose. I imagine you'll be putting it on yellows (or yellow minis?). Congrats on this one and the fact that it remains healthy.
by jbergeson
Sat Apr 27, 2019 1:18 pm
Forum: Rose Hybridizers Association Forum
Topic: R. davidii
Replies: 24
Views: 571

Re: R. davidii

The blossoms on this plant are small with thin, short-lived petals. I think there is a good chance it has been misidentified. It is not similar to my supposed R. virginiana, which are in turn nearly indistinguishable from R. carolina (both of those two came from Lawyer Nurseries). It is actually clo...
by jbergeson
Thu Apr 25, 2019 3:37 pm
Forum: Rose Hybridizers Association Forum
Topic: R. davidii
Replies: 24
Views: 571

Re: R. davidii

Thanks for the response, Tom!

Whatever this plant is, I think it could almost be considered Zone 2 hardy.

We should cross it with Therese Bugnet to reinforce interesting stem color.
by jbergeson
Mon Apr 22, 2019 10:17 pm
Forum: Rose Hybridizers Association Forum
Topic: R. davidii
Replies: 24
Views: 571

R. davidii

I made a trip out to the muddy field with the intention of checking on my R. davidii out there after this tough winter. (Well, actually it was a very easy winter for crown hardiness due to deep snow cover, but we had some extreme cold in the -35F range that made it a solidly Zone 3 winter up three f...
by jbergeson
Fri Apr 19, 2019 8:04 am
Forum: Rose Hybridizers Association Forum
Topic: Some current pictures...
Replies: 7
Views: 226

Re: Some current pictures...

Thanks for the pics, Tom!