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Basic Plant ID (In-person)

Schedule and location

Following federal and state recommendations to help slow the spread of coronavirus, this program has been cancelled for Wednesday, May 20, 2020

Basic Plant ID Online Only is now open for registration. Click here to learn more.

Fees and Registration

$16.00 member
$20.00 nonmember
(Fees include admission to the Arboretum)

Course description

Get the botany basics you need to identify plants. Whether you are a natural resources volunteer or specialist,  gardener, naturalist, or artist this class provides the fundamentals you need to get started.

Attend a 2 hour session at the Arboretum to learn botanical vocabulary and plant ID skills with the guidance of an Arboretum plant expert.

Want to take this class, but can’t make it to the Arboretum on these dates? Check out Basic Plant ID (Online)

Course number



Sharon Yiesla, plant knowledge specialist, The Morton Arboretum, or Katrina Lewin, horticulturist, T

Sharon Yiesla is a horticulturist of 30 plus years.  She has a B.S. in horticulture from Purdue and an M.S. from University of Illinois.  She has worked with University Extension in Missouri and with University of Illinois Extension and is currently the plant Knowledge specialist at The Morton Arboretum.

Katrina Lewin has a Bachelor's degree in Ornamental Horticulture from the University of Illinois and has been a horticulturist at The Morton Arboretum since 2004.  She enjoys teaching pruning and plant identification classes and is a frequent speaker at local garden clubs.

Course details

Notes: The in-person session will include time both indoors and outdoors, so please dress for the weather. Limit 20. 
Continuing education: This class fulfills a requirement for the Natural Areas Conservation Training  Program. (Learn more about N-ACT.) 2 CPDH credits for educators are available. 2 Continuing Education Credits are available from the Society for Ecological Restoration (SER). 

Arboretum class weather, cancellation and refund policies