Activity for Christen

Hi! For those of you who bought flowers in bulk and assembled them yourselves, do you have any feedback on what companies do a great, cost-effective job with fresh flowers? Grocery stores? Online? What has been your experience?

Decided to make the wedding bouquets for myself, the bridal party and make boutineers and wanted some tips? I'm using roses and plan on buying them from Sams club in bulk. What is the best time to purshase and the best way to make sure they don't die...