I also have a "Bloom Log" to go with my spreadsheet. The bloom log is just that. I tag each and every bloom with a numbered & colored cable tie. I then log it into the notebook.
So my first bloom would be # 001. Here is how it would look.
April 24th
001 Jewel Baby location
At the end of the season, I add up all the blooms for each cultivar and put that number in the spreadsheet under that year.
A re-bloomer would look like this: 15 + 4