If you make your flowers between 2 and 3 inches in length, these are the perfect bottles for that. I played around with the sizing and using 3 inch headpins, these are the bottles to go with. You can also find these in the bead aisle at Hobby Lobby. ...
MaxMau 100 Small Glass Bottles 5ml Vials
I have been making my flowers 3.5” to 4” tall and these are the perfect height. Most of the vases I have found were way too small or too big. I also play around with glass rocks in the bottom to vary the height of my stems.