While the members say it's as much about being social and having fun as it is friendships, it's also about learning new things.
Founding member Linda Barnett says members learn such things as the art elements and principles of design as well as craftsmanship.
"Making components out of nothing to go in their design is a lot of fun."
As the members grow more confident in their ability, the designs can become more elaborate.
Each design is then evaluated, with the judge giving them feedback, which is not only positive but also helps them visualise a way to improve on the original idea.
The members will be busy over the next two months as they prepare pieces for an exhibition FloraNZa in October.
This year's exhibition is not only around a theme of all things New Zealand, but it is also the group's 40th anniversary.
Barnett says they can design anything as long as the floral art reflects the class title which relates to New Zealand.
The large designs are 1m by 1m and can be such things as the Sky Tower to a beach scene.