PGL 1 Required Courses	Availability	Prerequisites	Supply lists
Botany 1 (afternoons) or Botany 1 (evenings)	9/21 –10/24	None
Choice of four OPC core courses (view OPC course list)
Gardening Techniques: Session A*		Botany 1
Gardening Techniques: Session B*		Botany 1
Gardening Techniques: Session C*	4/14 – 5/19	Botany 1
Gardening Techniques: Session D*	7/14 – 8/18
Plant Health 1		Botany 1
Soil Basics (intensive spring session) Soil Basics (intensive autumn session)	4/28 – 5/12 9/8 – 9/29	Botany 1

PGL 2 Required Courses	Availability	Prerequisites	Supply lists
Botany 1 (afternoons) or Botany 1 (evenings)	9/21 –10/24	None
Botany 2 (spring session evenings)	5/7 – 6/20	Botany 1
All OPC core courses (view OPC course list)
Gardening Techniques: Session A*		Botany 1
Gardening Techniques: Session B*		Botany 1
Gardening Techniques: Session C*	4/14 – 5/19	Botany 1
Gardening Techniques: Session D*	7/14 – 8/18	Botany 1
Plant Health 1		Botany 1
Plant Health 2	7/24 – 8/30	Botany 1, Plant Health 1
Soil Basics (intensive spring session) Soil Basics (intensive autumn session)	4/28 – 5/12 9/8 – 9/29	Botany 1
Graphics*	9/13 – 11/15	None
Introduction to Professional Practice	9/19 – 11/28	Botany 1, Graphics* can be taken concurrently
Principles of Garden Design		Botany 1, Graphics, Introduction to Professional Practice
Hardscape Basics	5/17 – 7/26	Botany 1, Graphics, Introduction to Professional Practice, Principles of Garden Design
Introduction to Grading and Drainage	6/27 – 8/29	Botany 1, Graphics, Introduction to Professional Practice, Principles of Garden Design

*Class may be taken prior to fulfilling the Botany 1 requirement.

PROGRAM REQUIREMENTS

This certificate represents a competency-based qualification relevant to the region's industry — learn what it takes to meet and exceed standards of horticultural excellence.

After completing Botany 1, all remaining core courses may be taken in any order. If Botany 1 is not listed as a prerequisite, the course may be taken at any time, providing there are no additional prerequisites listed.

Students pursuing the PGL2 Certificate are encouraged to complete their Ornamental Plant Materials Certificate as well. This only requires the addition of 24 hours of elective credit.

For the certificate, a grade of at least 70 percent must be achieved for each core course. All requirements for the certificate must be completed within five years of the start date of our first core course.

You can prove proficiency for up to 20 percent of the coursework by passing proficiency exams for approved courses or providing transcripts indicating grades of at least 70 percent for similar courses. There is no separate enrollment for the program.