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Winter Pruning (Online and In-person)

Schedule and Location

Section A:

  • Registration closes: Thursday, February 14, 11:59 pm
  • Online component begins: Friday, February 15
  • In-person class meets: Saturday, February 23, 9:00 to 11:30 a.m.
  • Cudahy Room, Administration Building


Section B:

  • Registration closes: Wednesday, February 27, 11:59 pm
  • Online component begins: Thursday, February 28
  • In-person class meets: Friday, March 8, 9:00 to 11:30 a.m.
  • Cudahy Room, Administration Building

Fees and Registration

$39.00 member
$46.00 nonmember
(Fees include admission to the Arboretum)

BY PHONE: 630-719-2468 ( Monday through Friday, 9:00 a.m. to 4:00 p.m.)

Course Description

Practice correct pruning techniques and learn which plants to prune now and more importantly, which to prune later. Known as “dormant” pruning, thoughtful removal of branches in winter is easy and encourages proper spring growth.

Complete a short online component at your convenience before the in-person session. In-person class time will be spent in the field with an expert, who will demonstrate what to prune and how to do it. Then put on your gloves, grab some pruners, and try it yourself.

Course number



Katrina Lewin, horticulturist, The Morton Arboretum

Course Details

  • Requirements: Must have access to the internet and provide a unique email address for each registrant at registration.  Must know how to use a web browser (ex: Chrome, Safari, Internet Explorer) and how to send and receive email. You will be expected to complete the online portion of the course before you arrive for the in-person session. Plan to spend about 60 minutes completing the online material. Students will have access to the online materials for 60 days after the first day they access the course.
  • Notes: In-person session will be held indoors and outdoors. Please dress for the weather and bring gardening gloves, a sack lunch and a beverage.  Limit 16
  • Arboretum class weather, cancellation and refund policies
Winter Pruning (Online and In-person)