Certificate Programs
Upcoming Classes
Certificate Programs Classes
View the upcoming schedule of available classes in each area of interest, and sign up today.
If a class is sold out, please contact us at (847) 835-6801 to be placed on the waitlist. The Garden will contact you if a space becomes available.
Botanical Arts
Certificate
Botanical Drawing 1 | Online
Botanical Arts Certificate
8 Saturdays
January 10 – February 28
9 a.m. – noon
Expressive Watercolor | Online
Botanical Arts Certificate
6 Tuesdays:
January 20 – February 24
6 – 9 p.m.
Pen and Ink 2 | Online
Botanical Arts Certificate
6 Thursdays:
January 22 – February 26
6 – 9 p.m.
Bold Blooms | Orchids in Watercolor
Botanical Arts Certificate
5 Saturdays:
February 7 – March 7
9 a.m. – noon
Winter Trees Using Pen and Ink | Online
Botanical Arts Certificate
4 Sundays:
February 22 – March 15,
Noon – 3 p.m.
Color Mixing | Online
Botanical Arts Certificate
6 Saturdays:
March 14 – April 25
(no class April 4)
9 a.m. – noon
Botanical Art | Succulents | Online
Botanical Arts Certificate
4 Thursdays:
March 19 – April 19
6 – 9 p.m.
Watercolor | The Power of Negative Painting
Botanical Arts Certificate
4 Saturdays:
April 11 – May 2
1 – 4 p.m.
Daffodils in Colored Pencil
Botanical Arts Certificate
6 Tuesdays:
April 14 – May 19
6 – 9 p.m.
Botanical Drawing 2 | Online
Botanical Arts Certificate
6 Saturdays:
May 2 – June 6
9 a.m. – noon
Composition | Online
Botanical Arts Certificate
6 Saturdays:
June 13 – July 25
9 a.m. – noon
Photography
Certificate
Abstracts in Poetic Nature | Online
Photography Certificate
6 Wednesdays:
January 7 – February 11
9:30 a.m. – noon
Pictorialism in Photography | Online
Certificate Photography
6 Wednesdays:
January 7 – February 11
1 – 3:30 p.m.
Beginning Digital Photography | Online
Photography Certificate
4 Thursdays:
January 8 – February 5
6:30 – 8:30 p.m.
Black and White Photography | Masters and Composition | Online
Certificate Photography
6 Tuesdays:
January 13 – February 24
9:30 a.m. – noon
(no class April 10)
Capturing Color and Life in Winter
Certificate Photography
3 Sundays:
January 25 – February 8
9 a.m. – noon
Photoshop 1
Photography Certificate
6 Mondays:
January 26 – March 9
1 – 3:30 p.m.
(no class February 16)
Lightroom 1 Workflow and Image Editing | Online
Certificate Photography
5 Tuesdays:
February 3 – March 3
6:30 – 9 p.m.
Intermediate Digital Photography | Online
Photography Certificate
4 Thursdays
February 5 – 26
6:30 – 8:30 p.m.
Photographing Winter Contrasts
Certificate Photography
3 Saturdays:
February 7 – February 21
9 a.m. – noon
Macro Photography | Orchids Up Close
Certificate Photography
3 Sundays:
February 15 – March 1
8 – 11 a.m.
History of Photography | Postmodernism | Online
Certificate Photography
6 Wednesdays:
February 18 – March 25
1 – 3:30 p.m.
Composition in Landscape Photography
Photography Certificate
5 Wednesdays:
February 25 – March 25
9 a.m. – noon
Photography Techniques | Filters and Focus
Photography Certificate
Saturday, March 14
9 a.m. – noon
Black and White Photography
Certificate Photography
5 Sundays:
March 15 – April 19
8 – 11 a.m.
(no class April 5)
Golden Hour Nature and Wildlife Photography
Certificate Photography
Saturday, March 21
8 – 11 a.m.
(Rain Date on Sunday, March 22)
Fine Art Portfolio-Shades of Blue | Online
Certificate Photography
6 Tuesdays:
March 24 – May 5
9:30 a.m. – noon
(no class April 21)
Documenting Nature in Photography
Photography Certificate
5 Saturdays:
March 28 – April 25
9 a.m. – noon
The Ins and Outs of Flash Photography
Certificate Photography
3 Wednesdays:
April 15 – 29
9 a.m. – noon
Photographing Raptors
Photography Certificate
2 Saturdays:
April 25, 1 – 2 p.m. and
May 2, 9 a.m. – noon
(Rain Date on Sunday, May 3)
Advanced Landscape Photography Techniques
Photography Certificate
3 Saturdays:
May 2 – May 16
8 – 11 a.m.
Photographing Signs of Spring
Certificate Photography
4 Thursdays:
May 21 – June 11
9 a.m. – noon
Photography in the Piet Oudolf Style
Certificate Photography
2 Saturdays:
June 6 & June 11
9 a.m. – noon
Ornamental Plant
Materials Certificate
Gardening for Hummingbirds | Online
Ornamental Plant Materials Certificate
Saturday, February 21
1 – 3 p.m.
How to Achieve Your Garden Goals
Ornamental Plant Materials Certificate
Tuesday, March 10
6 – 8 p.m.
Trees and Shrubs with Winter Interest
Ornamental Plant Materials Certificate
Saturday, March 14
9 – 11 a.m.
Best New Plants of 2026 | Online
Ornamental Plant Materials Certificate
Tuesday, March 17
6:30 – 8:30 p.m.
Hardy Bulbs
Ornamental Plant Materials Certificate, Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate, and Garden Design Certificate
7 Tuesdays:
March 24 – May 5
6:30 – 8:30 p.m.
Meet at Visitor Center.
6 Saturdays:
March 28 – May 2
8 – 10 a.m.
Also includes Garden Walks.
Botany 1
Ornamental Plant Materials, Professional Gardener Level 1 and 2, and Garden Design Certificates
5 Mondays & 5 Wednesdays:
April 6 – May 6
6:30 – 9 p.m.
Sun-Loving Native Perennials | Online
Ornamental Plant Materials Certificate
Sunday, April 19
10 a.m. – Noon
Best Plants for Birds and Pollinators
Ornamental Plant Materials Certificate
Saturday, May 9
9 a.m. – noon
Small Flowering Trees
Ornamental Plant Materials Certificate,
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
7 Tuesdays:
May 12 – June 30
no class May 26
6:30 – 8:30 p.m.
Also includes Garden Walks. Meet at Visitor Center.
6 Saturdays:
May 16 – June 27
no class May 30
8 – 10 a.m.
Rethinking Lawns
Ornamental Plant Materials Certificate
2 Wednesdays:
May 13 & 20
6:30 – 8:30 p.m.
Professional Gardener
Level 1 Certificate
Gardening Techniques | Session B
Online and On-site Hybrid
Professional Gardener Level 1 Certificate
Professional Gardener Level 2 Certificate
and Garden Design Certificate
6 Tuesdays:
January 20 – February 24
5 – 6 p.m. (online) and
6 Saturdays:
January 24 – February 28
10 a.m. – noon (classroom 1)
(rain date Saturday, March 7, 10 a.m. – noon)
Plant Health 1 | Online
Certificate Professional Gardener Level 1,
Certificate Professional Gardener Level 2
and Certificate Garden Design
6 Tuesdays & 6 Thursdays:
January 27 – March 5
6 – 8 p.m.
Hardy Bulbs
Ornamental Plant Materials Certificate, Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate, and Garden Design Certificate
7 Tuesdays:
March 24 – May 5
6:30 – 8:30 p.m.
Meet at Visitor Center.
6 Saturdays:
March 28 – May 2
8 – 10 a.m.
Also includes Garden Walks.
Gardening Techniques | Session C
Online and On-site Hybrid
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
6 Thursdays:
March 26 – April 30
5 – 6 p.m. (online) and
6 Saturdays:
March 28 – May 2
10:30 a.m. – 12:30 p.m. (classroom 5)
Botany 1
Ornamental Plant Materials, Professional Gardener Level 1 and 2, and Garden Design Certificates
5 Mondays & 5 Wednesdays:
April 6 – May 6
6:30 – 9 p.m.
Soil Basics
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate and
Garden Design Certificate
6 Thursdays:
April 16 – May 21
6:30 – 9 p.m. and
Saturday:
May 9
1 – 4 p.m.
Small Flowering Trees
Ornamental Plant Materials Certificate,
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
7 Tuesdays:
May 12 – June 30
no class May 26
6:30 – 8:30 p.m.
Also includes Garden Walks. Meet at Visitor Center.
6 Saturdays:
May 16 – June 27
no class May 30
8 – 10 a.m.
Professional Gardener
Level 2 Certificate
Graphics
Professional Gardener Level 2 Certificate
and Garden Design Certificate
10 Thursdays:
January 15 – March 19
6 – 8:30 p.m. and
2 Saturdays:
January 24 & 31
1 – 3 p.m.
Gardening Techniques | Session B
Online and On-site Hybrid
Professional Gardener Level 1 Certificate
Professional Gardener Level 2 Certificate
and Garden Design Certificate
6 Tuesdays:
January 20 – February 24
5 – 6 p.m. (online) and
6 Saturdays:
January 24 – February 28
10 a.m. – noon (classroom 1)
(rain date Saturday, March 7, 10 a.m. – noon)
Introduction to Grading and Drainage
Professional Gardener Level 2 Certificate and
Garden Design Certificate
8 Mondays:
January 26 – March 23
6:30 – 9 p.m.
(no class February 16) and
2 Saturdays:
March 7 & 14
2 – 5 p.m.
Plant Health 1 | Online
Certificate Professional Gardener Level 1,
Certificate Professional Gardener Level 2
and Certificate Garden Design
6 Tuesdays & 6 Thursdays:
January 27 – March 5
6 – 8 p.m.
Introduction to Professional Practice
Online and On-site Hybrid
Professional Gardener Level 2 Certificate
and Garden Design Certificate
11 Wednesdays:
February 11 – April 15
6:30 – 9 p.m. Online and
2 Saturdays:
February 28 and March 28
1 – 4 p.m. On-site
Hardy Bulbs
Ornamental Plant Materials Certificate, Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate, and Garden Design Certificate
7 Tuesdays:
March 24 – May 5
6:30 – 8:30 p.m.
Meet at Visitor Center.
6 Saturdays:
March 28 – May 2
8 – 10 a.m.
Also includes Garden Walks.
Gardening Techniques | Session C
Online and On-site Hybrid
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
6 Thursdays:
March 26 – April 30
5 – 6 p.m. (online) and
6 Saturdays:
March 28 – May 2
10:30 a.m. – 12:30 p.m. (classroom 5)
Botany 1
Ornamental Plant Materials, Professional Gardener Level 1 and 2, and Garden Design Certificates
5 Mondays & 5 Wednesdays:
April 6 – May 6
6:30 – 9 p.m.
Soil Basics
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate and
Garden Design Certificate
6 Thursdays:
April 16 – May 21
6:30 – 9 p.m. and
Saturday:
May 9
1 – 4 p.m.
Principles of Garden Design
Professional Gardener Level 2 and
Garden Design Certificate
8 Wednesdays:
May 6 – June 24
6:30 – 9 p.m.
and
2 Saturdays:
April 16 and June 6
1:30 – 4:30 p.m.
Small Flowering Trees
Ornamental Plant Materials Certificate,
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
7 Tuesdays:
May 12 – June 30
no class May 26
6:30 – 8:30 p.m.
Also includes Garden Walks. Meet at Visitor Center.
6 Saturdays:
May 16 – June 27
no class May 30
8 – 10 a.m.
Botany 2
Professional Gardener Level 2 and Certificate Garden Design Certificate
6 Mondays & 6 Wednesdays:
June 1 – July 8
6:30 – 8:30 p.m.
Hardscape Basics
Online and On-site Hybrid
Professional Gardener Level 2 and
Garden Design Certificate
Online 9 Thursdays:
September 10 – November 5
6:30 – 9 p.m. and
On-site 2 Saturdays:
October 3 & 24
2 – 5 p.m.
Garden Design
Certificate
Graphics
Professional Gardener Level 2 Certificate
and Garden Design Certificate
10 Thursdays:
January 15 – March 19
6 – 8:30 p.m. and
2 Saturdays:
January 24 & 31
1 – 3 p.m.
Gardening Techniques | Session B
Online and On-site Hybrid
Professional Gardener Level 1 Certificate
Professional Gardener Level 2 Certificate
and Garden Design Certificate
6 Tuesdays:
January 20 – February 24
5 – 6 p.m. (online) and
6 Saturdays:
January 24 – February 28
10 a.m. – noon (classroom 1)
(rain date Saturday, March 7, 10 a.m. – noon)
Introduction to Grading and Drainage
Professional Gardener Level 2 Certificate and
Garden Design Certificate
8 Mondays:
January 26 – March 23
6:30 – 9 p.m.
(no class February 16) and
2 Saturdays:
March 7 & 14
2 – 5 p.m.
Plant Health 1 | Online
Certificate Professional Gardener Level 1,
Certificate Professional Gardener Level 2
and Certificate Garden Design
6 Tuesdays & 6 Thursdays:
January 27 – March 5
6 – 8 p.m.
Designing with Plant Layers | Online
Garden Design Certificate
Wednesday, January 28
6:30 – 8:30 p.m.
Perennial Plant Combinations | Online
Garden Design Certificate
Saturday, February 7
1 – 3 p.m.
Introduction to Professional Practice
Online and On-site Hybrid
Professional Gardener Level 2 Certificate
and Garden Design Certificate
11 Wednesdays:
February 11 – April 15
6:30 – 9 p.m. Online and
2 Saturdays:
February 28 and March 28
1 – 4 p.m. On-site
The Power of Color in Landscape Design
Garden Design Certificate
Saturday, March 21
9 – 11 a.m.
Hardy Bulbs
Ornamental Plant Materials Certificate, Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate, and Garden Design Certificate
7 Tuesdays:
March 24 – May 5
6:30 – 8:30 p.m.
Meet at Visitor Center.
6 Saturdays:
March 28 – May 2
8 – 10 a.m.
Also includes Garden Walks.
Gardening Techniques | Session C
Online and On-site Hybrid
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
6 Thursdays:
March 26 – April 30
5 – 6 p.m. (online) and
6 Saturdays:
March 28 – May 2
10:30 a.m. – 12:30 p.m. (classroom 5)
Botany 1
Ornamental Plant Materials, Professional Gardener Level 1 and 2, and Garden Design Certificates
5 Mondays & 5 Wednesdays:
April 6 – May 6
6:30 – 9 p.m.
Landscape Design for Energy Efficiency | Online
Garden Design Certificate
Saturday, April 11
1 – 3 p.m.
Soil Basics
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate and
Garden Design Certificate
6 Thursdays:
April 16 – May 21
6:30 – 9 p.m. and
Saturday:
May 9
1 – 4 p.m.
Principles of Garden Design
Professional Gardener Level 2 and
Garden Design Certificate
8 Wednesdays:
May 6 – June 24
6:30 – 9 p.m.
and
2 Saturdays:
April 16 and June 6
1:30 – 4:30 p.m.
Landscape Graphics Studio Workshop
Garden Design Certificate
3 Thursdays:
May 7 – May 21
6 – 8 p.m.
Small Flowering Trees
Ornamental Plant Materials Certificate,
Professional Gardener Level 1 Certificate,
Professional Gardener Level 2 Certificate,
& Garden Design Certificate
7 Tuesdays:
May 12 – June 30
no class May 26
6:30 – 8:30 p.m.
Also includes Garden Walks. Meet at Visitor Center.
6 Saturdays:
May 16 – June 27
no class May 30
8 – 10 a.m.
Botany 2
Professional Gardener Level 2 and Certificate Garden Design Certificate
6 Mondays & 6 Wednesdays:
June 1 – July 8
6:30 – 8:30 p.m.
Hardscape Basics
Online and On-site Hybrid
Professional Gardener Level 2 and
Garden Design Certificate
Online 9 Thursdays:
September 10 – November 5
6:30 – 9 p.m. and
On-site 2 Saturdays:
October 3 & 24
2 – 5 p.m.