Her favourite subjects include English cottages, children in Victorian settings, tromp Leila, still life, shade profiles, land and seascapes, waterfalls, and flowers.
She also produces collector doll house miniatures, finely detailed paintings in 1/12th scale.
Joan paints commissions in her studio, and teaches Miniature painting to students aged 10 – 80 in her Clearwater studio. Her Studio produces frame able prints of the works of herself and her students. She also travels to give workshops in many parts of North America and Europe.
Deeply concerned with the protection of the Art of the Miniature, Joan promotes the exacting standards of the 100 year old Royal Miniature Society by giving demonstrations and lectures, appearing on television and by writing articles and books on the subject.