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Michael Garhart
most recent today HIDE POSTS
 
Initial post today by Michael Garhart
Website seems DOA now. In fact, my browser (Brave) warns me to not try to enter further.

I did try the site's message system when the url worked a few months ago, but there was never a response. The shop browser was also completely vacant at that time.
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Reply #1 of 1 posted today by jedmar
Link removed, thank you!
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most recent today HIDE POSTS
 
Initial post today by Michael Garhart
Possibly a parent of the CA60 rose listed in several studies regarding blackspot resistance at Agricultural and Agri-Food Canada’s (AAFC) Morden Manitoba research station.

CA60 is listed as:

"‘CA60’ (23104FR2) was an experimental rose developed at
the Agricultural and Agri-Food Canada’s (AAFC) Morden Manitoba research station from the
50
cross ‘RSM 104’ × ‘Frontenac’."

The serials for most of these newer hybrids tend to read as batch set (23) seed parent (104) pollen parent (FR) and seedling # of batch set. A ton of hybrids from their codes now read this way.

Anyway, this rose is probably responsible for some of their BS resistance breeding, so important to take note of. CA60 is not listed on HMF. If they gave a photo of CA60, I would go to the effort of asking for it to be listed, but I have no idea of its stats or looks. Based on the seedlings shown, I would imagine its a pink-red and double type.

The fact that Rosa multiflora is mentioned a lot in these studies leads me to believe its possible that 104 is a close, dwarf, repeating descended of selections to parse out black spot resistance since Rosa multiflora is a known source of widely varying resistances.
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most recent yesterday HIDE POSTS
 
Initial post yesterday by Michael Garhart
Photos from others seem to give "bred out of 'Serendipity'" vibes. Year bred would line up with this.
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most recent 3 days ago SHOW ALL
 
Initial post 8 DEC 19 by Planetrj (zone 11b/H2 pH 5.8)
After a three-year assessment, I would finally like to offer an overall observation of this plant. CSK has been growing in a no-spray garden for the last 3 years and 7 months. Though it has been growing at a slow pace and throwing out new canes on occasion, it seems to also do the same with 2-3 flowers here and there. It doesn't tend to have an overabundance of problems with BS, though it's not free from it by any means. It does tend to hold its foliage longer than many, and that might be part of the reason. However, CSK does have a huge problem with Mildew on the canes, and does not seem to subside or grow out of it. Though the plant is now well-established, it does not seem to win the battle completely.

As far as the flowers, it seems to have a nice fragrance. I would call it a solid moderate. It's definitely present. Nice combination, not overly sweet, spicy, or anything. Just a blurred balance. The bud stays closed for an entire day here, and that is less common in a HT, because of our warm climate. It also seems to appreciate a little afternoon shade. The petals don't shatter fast (3 days full), and that is a bonus.

It definitely redlines on being one of the closest to shovel pruning, and if I only had a limited space, I certainly wouldn't keep it. However, it will remain. Though it reminds me that some roses just do better if sprayed. It certainly doesn't belong in a no-spray garden, if you have any level of humidity or rain.

Alternatives: IF you're looking for a similarly growing multicolor and fragrant HT with a bit more disease resistance, then I would suggest Sheila's Perfume, which has a delightful more powerful fragrance, more flowers, yet is very healthy in all respects, does excellent in a No-spray environment, and even tolerates a little more sun and heat than CSK.
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Reply #1 of 3 posted 8 DEC 19 by HMF Admin
Wow, would that we could get more HMF members to share their experience in such wonderful detail. Thank you for your participation.
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Reply #2 of 3 posted 8 DEC 19 by Planetrj (zone 11b/H2 pH 5.8)
I appreciate that. This is the kind of content I would like to read about on other roses as well. Good karma :)
Also, I only will make a thorough assessment as this after giving it the ability to adjust and grow naturally. All too often, they will become completely different plants after they have settled in and adapted to nature outside of commercial greenhouse culture, where it's likely not growing in realistic conditions to an everyday collector or gardener. I believe all of this allows me to deliver a much more accurate summary.
I also encourage all of my plants to go Own Root, as my own experience has shown to improve the overall health and give it more tolerance to rain and BS. :)
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Reply #3 of 3 posted 3 days ago by Michael Garhart
I went back to Brigadoon. Since almost all in this color range seem to (sadly) get BS, I went back to the one with the most boom'. I had hoped a Gemini type would come along by now, but that never happened. Kordes released a rose call Color Splash, which is similar to CSK, except more flori-shrub, but its also a lot of plant with only moderate bloom.
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