216 Principles of Floral Design natu/Shutterstock.com Mary Terriberry/Shutterstock.com Matthiola incana/flowering stock Mertensia virginica/blue bells, Virginia blue bells PeterVrabel/Shutterstock.com Haru/Shutterstock.com Vahan Abrahamyan/Shutterstock.com Moluccella laevis/bells of Ireland Monarda didyma/bee-balm, fragrant balm Le Do/Shutterstock.com CHRISTOPHE ROLLAND/Shutterstock.com Muscari sp./grape hyacinth Myosotis sylvatica/forget-me-not Copyright Goodheart-Willcox Co., Inc.