Hmm, I think such a spreadsheet you speak of would almost work better for my stock plant / garden plant documentations (since I plan to propagate from stock plants in the future term). It’d definitely be nice though as not all flowers bloom at the same time of year for every gardener depending on location on the globe etc.. So having that for more localized marketing appeal would be pretty nice.
On the other hand I could just write such things down in the Additional Notes part or something lol