Very simple..it’s a ring of florist wire wrapped in floral tape. Then you make individual gumpaste flowers, individual sizes and filler flowers…etc. Wrap them on the floral wire. There are tutorials on YouTube on wiring flowers and attaching to wire and or wreath/garland.
Here are two I found
:https://www.google.ca/url?sa=t&source=web&rct=j&url=http://sweetwise.com/videos/how-to-make-a-gumpaste-flower-garland.html&ved=0ahUKEwiXvMz1yqzLAhWCn4MKHbUaCDgQFggdMAE&usg=AFQjCNE8YJpJ7Hkq560olrCEU2zsOmBkLw
Creativity is God's gift to us. Using our creativity is our gift back to God. Clarky's Cakes 😎