Perennials for Fall

Perennials for Fall

In-Person Horticulture and Gardening Course
purple flowering asters in a field

Date & Prices

Saturday, September 21, 2024
1:30–4:30 pm

Fee: $59

Fee for Innovators, Gardens Preferred, and Gardens Premium Members: $53

Fee includes all-day admission to the Gardens on the day of the class.


Register by September 15, 2024

Registrations may be cancelled up to two weeks before the event, and your registration fee, less a $30 processing fee, will be refunded.

To notify us of your cancellation, email us or call 610-388-5454.

Innovators, Gardens Preferred, and Gardens Premium Members save on Continuing Education Courses

A 10% discount on classes will be applied automatically at the time of checkout. 

During this lecture, Longwood Senior Horticulturist Dean Dietrich shares some of the many perennials whose eye-catching flowers, attractive foliage, or interesting seed heads can extend your garden’s season as the days shorten and the temperatures cool. Following the lecture, enjoy a guided walk to see firsthand how Longwood’s gardeners use perennials with fall interest in the landscape. 


Visitor Center Auditorium, Throughout the Gardens

This program will take place partially or entirely outdoors. Please dress for the weather and wear footwear suited for walking on uneven paths and through wet areas.


Dean Dietrich

Dean is a native Pennsylvanian and passionate horticulturist. He has 15 years’ experience working in public horticulture having recently joined the Longwood Garden’s horticulture staff after spending 10 years working at Lewis Ginter Botanical Garden in Richmond VA, where he managed formal perennial gardens as well as glasshouses.