Poinsettia Madness by Cynthia Hickey

Book 4 in the Shady Acres Mysteries series

Right before Christmas, Shelby Hart is visited by the man who ditched her at the altar. It seems he wants the expensive gifts he'd given her to give to his new fiancé. Unfortunately for him, Shelby sold them. When the man shows up dead in a bed of poinsettia's, Shelby is thrust reluctantly into a group of women who call themselves the Second Mistress Club.

My favorite Shady Acres mystery 5* Linda Rainey