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


Ruby-throated hummingbirds are amazing creatures and always a delight to see. Learn how to create a haven for these tiny flying jewels in your garden space using a selection of native plants that provide food sources and nesting sites all more...
264GAR144 04/17 Fr 11:00am-1:00pm Himmelman
NYBG

Learn the identification, classification, and landscape use of spring-flowering trees and shrubs. Major plant groups include Magnolia, Malus, Prunus, Viburnum,and other genera, which are particularly ornamental in spring. The class goes out on the grounds rain or shine. Prerequisite: Introduction more...
264HRT334A 04/08 We 10:30am-1:30pm Himmelman
NYBG

Whether in a shady corner or a sunny border, selecting the right plant combinations makes the difference between a ho-hum garden and one that gets rave reviews. Concentrating on perennials, learn to use color, texture, height, and bloom when combining more...
263GAR173B 03/22 Su 10:30am-12:30pm Himmelman
NYBG

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...
263GAR225A 02/28 Sa 10:00am-5:00pm Ruggiero
Himmelman
NYBG

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...
263GAR225C 02/28 Sa 12:45pm-2:45pm Himmelman
NYBG