Botanical fireworks July 5, 2016July 5, 2016 Meghana Srinivasan, Marketing and Communications Specialist Heptacodium miconioides, seven son flower (425-91*B) Cotinus coggygria, smoketree (1433-61*A) Rhus typhina, staghorn sumac (84-2008*A) (If you can, visit the catalpa tree collection – in spectacular flower now)