Well done Rob and Jackie
Jackie - looks like it has attractive stamens/pistils when fresh. One of my goals is to breed roses with eyecatching bright yellow, red, maroon, white, & pink filaments. I plan to write an article about this frequently unnoticed part of the flower.
Stephen
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So many beautiful pics in this thread! I particularly like the Jukka’s first pic and the color of Rob’s Apricot Drift x Thrive! seedling. I’m keeping several single seedlings this year, including these:
These are all very healthy. It’s a little hard to see, but the last one has a yellow halo.
I really like your Midnight Blue x Plum Frost
I agree with Rob.
Multi colored petals are at a real advantage with singles, as are interesting, prominent and contrasting stamens. Just look at the nice contrasts with these examples above. I will look forward to your article on this subject Stephen, hopefully it will be in the newsletter.
I just noticed this one today, the health of the plant is decent and I might try putting some pollen on the next blooms to develop.
I prefer singles and it is deceptively hard to breed them with perfect balance. Some patterns are best displayed with a single flower. Stripes, for instance, are best displayed on a single:
[attachment=1]FCPx4thoJA2-3.jpg[/attachment]
Blotches, too, are best displayed with a single flower. This one is not a single, but isn’t far off 
:
[attachment=1]FCPx4thoJA2-3.jpg[/attachment]
I also find a lot of the singles are more healthy and I tend to think it is because the plant isn’t wasting energy making lots of petals and this can be redirected into vigorous growth.
Thank you Rob and David!
I agree with everything you said, plus I find that singles typically produce more blooms than doubles.
Single flowered rose show off flower parts - stamens and pistils - that are not often considered in other roses. Attractive stamens/pistils can really be intriguing as this photo demonstrates.
Stephen
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I’ll use this thread as an excuse to post some seedling pics…see captions for parentage.
Single flowered rose show off flower parts - stamens and pistils - that are not often considered in other roses. Attractive stamens/pistils can really be intriguing as this photo demonstrates.
Stephen
That’s true, too! This is also very hard to achieve. Trying to develop anthers that don’t shrivel and go black straight away, like most derived from multiflora and wichurana do, is very hard. I am finding that hulthemia blood introduces longevity and interest into the anthers and stamens. I recall Jim posting some amazing looking hulthemia anthers on his blog over the years and so far Eye’s for You and the seedling I got from seed Jim sent me from his K206 line are showing excellent anthers. The blotch extends at least part way up the stamen and the anthers are often tinged red. I have put this photo of ‘Eyes for You’ up before, but it clearly shows the blotch extending part way up the stamens.
Stephen, is that a moyesii hybrid? The anthers remind me strongly of moyesii… I’m hoping to try and use ‘Eddie’s Jewel’ this year just to try and capture those big fat anthers that seem to last forever. Sweginzowii is anther that has the big fat anthers. Davidii var. elongata also had them but I discarded it due to very poor resistance to downy mildew.
Some of Kim’s banksiae hybrids have excellent pink stigma, too, that I find very attractive.
Loving the look of that last virginiana hyrbid, Joe!
There’s one of this year’s seedlings in my quest to develop yellows.
The same seedlings two days apart. The orange, which was on the tip of the petals
floods the entire flower in 24 hours.
I’ll keep this.
Chuckp
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Great color Chuck!
As soon as I saw those pink stamen and anthers, Stephen, I thought, “Frances Ashton!” Grace Seward also has the most marvelous coral pink stamen.
Here are a few more of last year’s best for fun. I didn’t do any breeding in 2015 so I’m trying to make up for it this year. I’ve got a LOT of hips ripening out in the garden. Just need to make sure the sawflies don’t decimate the plants before I can harvest!
And a few more…
Love those hulthemia hybrids!!!
Thanks Rob!