I had 3 glaucum in the ground this year. One flowered (still in the ground) and 2 others that I dug this past week. I can't believe how big the 2 others got in 4 months. Here is a little slideshow of the biggest one I dug. If it survives the winter I'm sure it will flower next year.
https://emmgraphics.com/photos/blue-2024/