Instructor: Duncan Himmelman

Duncan Himmelman
Duncan Himmelman, Ph.D., has more than 35 years of experience in practicing and teaching horticulture and landscape design. He recently retired as the Education Manager at Mt. Cuba Center.

Classes by this instructor

Spring is just around the corner, and with a little advance preparation you will be ready to start the growing season right. Gain insights into getting the soil prepped and ready to go, best pruning practices, and waking up the more...
233GAR225A 02/25 Sa 10:00am-5:00pm Cappello-Ruggiero

Rich, nutritious soil makes for large, healthy plants and reduces the need for regular fertilization. Learn the difference between soil structure and texture; how these differences affect plant growth; and how you can modify your soil to improve its qualities. more...
233GAR225C 02/25 Sa 12:45pm-2:45pm Himmelman