I finally got a picture of the new 4 O'Clocks while open that I tried this year, Limelight. I found seeds at
Select Seeds and every one of them germinated. I'm not sure yet if they just open later in the evening (I had to use flash, it was pretty dark out), or maybe these were just the first of them that opened. I love the foliage color though, even in the day when the flowers are closed up, they're very noticeable and stand out against that lime foliage.
And I forgot to get a sniff if they have any scent at all, tonight hopefully I'll remember.
This is during the day: