Rose, Thorn & Bud is a reflection method to identify things as positive, negative, or having potential. Rose describes a success or strength, Thorn is a current challenge, Bud stands for emerging potential.
A good example for Rose, Thorn, Bud is to do the method to assess a project at the beginning of a reflection or ideation workshop. That way, you can collect insights about people's perspectives and find out what participants are missing and where they see areas of opportunity.
Below, you can see an example of how a Rose, Thorn, Bud method could look at the end.