Horticulture
Horticulture
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Applying Permaculture in the City
 

New! How can you cultivate vibrant, sustainable spaces? Permaculture is the development of sustainable and self-sufficient agricultural ecosystems. Learn about the challenges and the successes of designing systems that promote permanent culture and permanent agriculture in urban and suburban settings. You will explore the basics of the permaculture design system and learn from a case study at the level of home, block, neighborhood, and city.  

7/20/2024 10:00 AM - 12:00 PM
$40.00
Beginner Tropical Bonsai Workshop
 

In this beginner class, you will learn the basics of tropical bonsai care as well as the techniques to style and design your very own tree. Each session will include a lecture and hands-on workshop time to create a bonsai from your tree. All materials provided, including a tree of $75 value.

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Big, Bold Perennials Walk & Talk
 

Discover how to add height and drama into your garden with big, bold, bodacious perennials. Tall plants are cool! The secret to a stunning garden design is a variety of plant layers that draw the eye up. You will discover some favorite tall perennials that create layers of color and texture in your garden on this lively walk and talk through the Garden.

7/26/2024 9:00 AM - 11:00 AM
$30.00
Bonsai Courtyard Tour
 

Join us in the bonsai courtyards for a curated tour. Take an in-depth look at how some of the Garden’s finest trees are displayed and learn the fascinating stories behind them. Discover a whole new way of viewing and appreciating our unique specimens. Dress for the weather.    

7/10/2024 5:00 PM - 7:00 PM
$40.00
Bonsai: Bring Your Own Tree Workshop
 

Do you have a bonsai tree you’re just not sure what to do with? Bring your tree of any species for consultation with the Garden’s bonsai curator and learn new techniques for style and design in this studio-style workshop.

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Botany 1
 

Why, botanically speaking, is a tomato a fruit? What is the difference between a fern and a moss? Dive deep into the botanic world to explore the importance of plants in our lives, scientific taxonomy and classification, plant life cycles, and the amazing diversity of the plant world. A supply list will be sent. 

OPC, PGL 1, PGL 2, and GDC requirement 

Select Date/Time
$462.00
Botany 2
 

Professional Gardener Level 2 Certificate
& Garden Design Certificate

6 Mondays & 6 Wednesdays:
May 13 – June 26
6:30 – 8:30 p.m.
(no class May 27 & June 19)

How do seeds germinate and develop into mature plants? How do plants move water up through their roots to their topmost branches? Explore subjects such as the plant cell; anatomy and growth of roots, stems, and leaves; photosynthesis; and the symbiotic association of plant roots with beneficial fungi and bacteria. A supply list will be sent. 

PGL 2 and GDC requirement

Prerequisite: Botany 1

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Build Your Own Topiary Workshop
 

Learn how to construct a living topiary made from a wire form. You will prepare a wire frame with sphagnum moss and fill it with a selection of plants including annuals, herbs, and ground covers. Explore topiary care, maintenance, and reconditioning. You will select your own shape—a birdhouse, toadstool, wreath, or rooster basket. Bring an apron, rubber gloves, and scissors. All other materials will be provided.   

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Container Gardens: Pots with Panache
 

Whether you have a balcony, deck, porch, or an expansive garden, adding containers helps to create a dazzling display. We will explore different pots, potting mixes, planting techniques, maintenance, and a variety of plants to create four-season interest. 

This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

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Containers at the Garden Series - All Seasons
(1) Spring Containers at the Garden
Select Date/Time
(1) Summer Containers at the Garden
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(1) Autumn Containers at the Garden
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(1) Winter Containers at the Garden
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$356.00
Containers at the Garden - Spring
 

Tour the Garden’s spring containers and collect ideas for your own. Then create a container with plants that can tolerate the varying spring temperatures and a full-sun to partial-shade location. Pansies, forced bulbs, and other spring treasures may be used. Dress for the weather and bring gloves if desired.

Select Date/Time
$99.00
Containers at the Garden - Summer
 

Take inspiration from the Garden’s summer containers and create your own warm-season, mixed container suitable for sun or partial shade. Your container may include annuals, perennials, herbs, and decorative foliage. Dress for the weather and bring gloves if desired.

Select Date/Time
$99.00
Containers at the Garden - Autumn
 

Get inspired by the Garden’s fall containers and create a cool-season mixed container with a variety of plants suitable for a full-sun or partial-shade location. Your container may include annuals, perennials, herbs, decorative foliage, cool-season vegetables, ornamental grasses, a decorative vine, and gourds. Dress for the weather and bring gloves if desired.

Select Date/Time
$99.00
Containers at the Garden - Winter
 

Be inspired by the winter containers at the Garden and learn ways to extend your own into the winter season. Then prepare a container with fresh-cut evergreen boughs and berried or brightly colored branches. Dress for the weather and bring pruners and gloves.

Select Date/Time
$99.00
Deciduous Trees
 

Learn to identify more than 50 large deciduous trees, gain a greater understanding of the many functions they serve in gardens and the landscape, and discover the wonders they offer year-round. Develop your ability to identify trees using their buds, bark, and habit, in addition to leaf shape and other characteristics.  

OPC, PGL 1, PGL 2, and GDC requirement 

9/17/2024 6:30 PM - 8:30 PM
$400.00
Edimentals: Ornamental Edible Plants
 

Many gardeners have a flower border and a separate vegetable garden. Discover how to incorporate herbs and veggies alongside your favorite perennials and annuals. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

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Essential Plants for Pollinators
 

Endangered species such as monarch butterflies and the rusty patch bumblebee and other important pollinators are responsible for the wide biodiversity of plants in healthy environments, including food crops. Learn how you can create a healthy garden pollinator habitat that also serves as a beautiful garden oasis. Discover a variety of host, shelter, and food plants that can help these invertebrates survive and thrive. A Garden walk is included. Dress for the weather. The School’s CEUs=3 hours 

OPC elective  

7/20/2024 10:30 AM - 1:30 PM
$75.00
Fall Lawn Care
 

Fall is the best time to prepare for a healthy, lush lawn in the upcoming season. Learn the basics of lawn renovation and how to prepare your lawn for winter. Discuss and observe proper techniques for installing sod, seeding and overseeding, and aerating and fertilizing—all aimed at revitalizing your lawn. Please dress for the weather. 

8/24/2024 9:00 AM - 11:00 AM
$40.00
Fall Garden Care: On-site
 

This class is offered both online as a virtual class or on-site as an in-person class. 

Proper garden care in the fall helps ensure healthy plants the next spring. Learn techniques for taking care of your lawn, trees, shrubs, and perennials, including fall fertilizing, mulching, cutting back plants, and protecting plants from wind and animals. Get pointers for fall planting of woody plants and spring-flowering bulbs.  

Please choose either the on-site or online class attendance option. The online class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. 

8/28/2024 6:00 PM - 8:00 PM
$40.00
Fall Garden Care: Online
 

This class is offered both online as a virtual class or on-site as an in-person class. 

Proper garden care in the fall helps ensure healthy plants the next spring. Learn techniques for taking care of your lawn, trees, shrubs, and perennials, including fall fertilizing, mulching, cutting back plants, and protecting plants from wind and animals. Get pointers for fall planting of woody plants and spring-flowering bulbs.  

Please choose either the on-site or online class attendance option. The online class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. 

8/28/2024 6:00 PM - 8:00 PM
$40.00
Fancy Flower Girls Cut Flowers: Online
 

This flower arranging class is offered both online as a virtual class and on-site as an in-person class.  

Discover delightful, locally grown cut flowers as you journey through a year of vibrant, seasonal blooms produced at a small site in Palatine, Illinois. Learn seed starting, cutting, and bed preparation to fall cleanup. You will also learn about the kinds of flowers used by florists that you can grow in your own garden. Class includes a design demonstration of how these gorgeous flowers can be used in a seasonal arrangement that is sure to brighten your day.  

Please choose either the on-site or online class attendance option. The online class will be taught via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.  

Select Date/Time
$30.00
Fancy Flower Girls Cut Flowers: On-site
 

This flower arranging class is offered both online as a virtual class and on-site as an in-person class.  

Discover delightful, locally grown cut flowers as you journey through a year of vibrant, seasonal blooms produced at a small site in Palatine, Illinois. Learn seed starting, cutting, and bed preparation to fall cleanup. You will also learn about the kinds of flowers used by florists that you can grow in your own garden. Class includes a design demonstration of how these gorgeous flowers can be used in a seasonal arrangement that is sure to brighten your day.  

Please choose either the on-site or online class attendance option. The online class will be taught via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.  

Select Date/Time
$30.00
Ferns for the Chicago Region
 

Among the most elegant and useful plants in the outdoor landscape is the fern. Most gardeners do not realize there are many hardy species and garden cultivars in all sizes, forms, and textures that can be used in the Chicago area. Discover unique mutations that provide fascinating deviations in frond shape. The School's CEUs=2 hours 

OPC elective 

9/21/2024 1:00 PM - 3:00 PM
$65.00
From Garden to Vase: Spring Flowers
 

Walk the Garden and learn about plants that work well in cut arrangements. Then, inspired by our walk, create a beautiful flower display to take home and enjoy. Learn and practice basic floral design techniques. Please bring garden shears/scissors, apron, and garden gloves if desired.

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From Garden to Vase: Summer Flowers
 

Walk the Garden and learn about plants that work well in cut arrangements. Then, inspired by our walk, create a beautiful flower display to take home and enjoy. Learn and practice basic floral design techniques. Bring garden shears or scissors, apron, and garden gloves if desired.

7/16/2024 6:00 PM - 8:00 PM
$62.00
Gardening with a Tropical Twist: Online
 

The Midwest has a variable climate with fluctuating seasons, but our growing season is perfect to include and incorporate a wide range of tropical plants in our gardens and landscape. Tropical plants can offer bold texture, amazing scale, colorful flowers, and fragrance. You will examine a wide assortment of vivid tropicals for sun and shade for use in garden beds and containers. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. The School’s CEUs=2 hours 

OPC elective 

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Gardening Techniques: Session A
 

Learn tips and techniques used by professional gardeners through a combination of lecture and hands-on activities. Acquire solid gardening skills and determine best management practices. Discover fall planting techniques, bulbs, turf care, plant wildlife protection, garden maintenance, and winterization. Thursday class sessions will be taught online via Zoom and Saturday sessions will be held at the Garden primarily outside. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. Dress for the weather. A supply list will be sent.  

PGL 1, PGL 2, and GDC requirement 

9/26/2024 5:30 PM - 6:30 PM
$374.00
Gardening Techniques: Session C
 
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Gardening Techniques: Session D
 

Learn tips and techniques used by professional gardeners through a combination of lecture and hands-on activities. Acquire solid gardening skills, learn a variety of techniques, and determine best management practices in the field of horticulture. Gain applicable skills in plant selection, perennial and annual care and maintenance, pruning techniques, tool maintenance, and identification and control of common weeds. Dress for the weather. A supply list will be sent.

PGL 1, PGL 2, GDC requirement

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Glorious Ground Covers
 

Discover the wonderful world of low-growing plants that cover the ground, providing a beautiful base layer to landscapes. You will explore plants that creep, sprawl, and spread while holding the ground in place, offering food and shelter for wildlife, and providing beautiful flowers and textures. Explore the Garden on a guided walk to experience plants in person. Dress for the weather.

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Gothic Gardening: Online
 

Are you a fan of dark flowers and foliage? Learn how to create a gothic garden that includes mysterious and rich shades and offers a secretive and suspenseful setting. Gothic gardens combine plants with informal layouts and can use garden features like statuary, fencing, and gates to lend antiquity, age, and mystery. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

6/18/2024 6:00 PM - 8:00 PM
$40.00
Ground Covers and Vines
 

Learn more about the fascinating world of climbers, trailers, and spreaders. You will learn identification techniques, ornamental qualities, and cultural traits of nearly 60 ground covers and vines. Plants studied will include the common English ivy and vinca as well as lesser-known cultivars of clematis and coral bells.

OPC, PGL 1, PGL 2, GDC requirement

7/16/2024 6:30 PM - 8:30 PM
$400.00
Grow a Cut Flower Garden
 

Would you like to grow your own bouquets? Discover new ideas about what to plant and how to harvest and care for cut flowers. You’ll also learn simple techniques for creating beautiful arrangements. 

 

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Hands-on Gardening: Mulching and Edging
 

Improper mulching can do far more harm to plants than not mulching at all. Learn how much mulch is enough, where to spread it, and the best material to use, as well as how to edge your garden for a professional look. Please dress for the weather.

 

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Hands-on Gardening: Summer Pruning
 

Today’s pruning of your trees and shrubs will define how they grow for years to come. Learn which cuts to avoid, which cuts are essential, and which cuts are a matter of your personal style. Please dress for the weather and bring pruners.  

7/13/2024 9:00 AM - 10:30 AM
$30.00
Hardscape Basics
 

Online and On-site Hybrid

Professional Gardener Level 2 
& Garden Design Certificate

Online 9 Thursdays: 
June 20 – August 22 
6:30 – 9 p.m. & 
On-site 2 Saturdays: 
June 29 & August 3 
2 – 5 p.m. 
(no class July 4)

Elevate your garden designs by incorporating hardscape elements. These structural components of a landscape provide both functional and aesthetic benefits. Create garden design plans that integrate hardscape structures such as paving, landscape lighting, and garden walls to achieve your landscape design goals. The last class is a field trip to view examples of content learned in class. A supply list will be sent. Prerequisites: Graphics, Introduction to Professional Practice, Principles of Garden Design.
PGL 2 and GDC requirement

Portions of this class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

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Herb Gardening
 

Learn how to start and maintain your own herb garden. Many herbs that can be grown in northern Illinois will be featured, with information on how to grow and when to harvest. This horticulture-focused class includes selection, care, and maintenance of an herb garden.

 

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How to Divide Perennials
 
Do you have areas in your garden with lots of beautiful perennials? Learn tips and tricks to spread the wealth to other areas by dividing perennials in the spring. Explore the basics, then head outside to put these skills into practice. Please bring gloves. Dress for the weather. 
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How to Grow Succulents
 

Have you always wanted to know more about these beautiful, low-maintenance plants? Join us to learn about the culture of succulents, how to care for them, and even how to propagate them. Then take one home. All materials will be provided.  

7/16/2024 6:00 PM - 7:30 PM
$30.00
Hummingbird Container Workshop
 

Join us and create a colorful container garden and attract ruby throated hummingbirds to your sunny deck, patio, or balcony. After a brief discussion of these fascinating little birds, pot up a selection of plants with tubular and bright flowers that provide nourishment for these hungry summer visitors. All materials are included.  

6/25/2024 1:00 PM - 2:30 PM
$99.00
Hydrangeas: 101
 

Do you have hydrangeas at home but don’t know how to care for them? Learn about the most commonly planted hydrangeas in northern Illinois and techniques on how to prune and care for them in this introductory class. A Garden walk to examine the various types of these dependable and ornamental garden gems will follow the talk. 

8/10/2024 9:00 AM - 12:00 PM
$62.00
Living Pansy Wreath Workshop
 
Welcome the arrival of spring with a pansy wreath to brighten your front door. Create a lush, colorful living wreath by planting a moss-lined wire frame with pansies and ivy. Wreath care options will also be discussed. Please bring an apron, gloves, and scissors. All other materials are provided.
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Meadow Style Gardening: Online
 

Ditch your lawn and create your own mini-meadow. Learn how to use plugs, seeds, and plants to create and care for a wild border with wildflowers and grasses. The birds, butterflies, and insects will thank you. Eileen Boyle is the former director of conservation and research and the director of education at Mt. Cuba Center, as well as the director of horticulture at the New York Botanical Garden and Philadephia Zoo. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. The School’s CEUs=2 hours

OPC elective  

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Meet the Cultivars: Conifers
 

Delve into the many cultivars of conifers. Explore their desirable characteristics and how they differ from the species. Learn to select the perfect tree for your next design project or home garden. A Garden walk is included. Dress for the weather. The School’s CEUs=2 hours

OPC elective

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Moon Garden Plant Walk
 

Most of us notice how gorgeous gardens are when the sun is shining, but how often do we see what they look like at night? Take an evening Garden walk to view and discuss night-blooming plants and how to add them in your own garden. You might even catch some night pollinators in action.  

Select Date/Time
$37.00
More Conifers
 

Discover many other conifers beyond the approximately 65 species explored in the Conifers and Broad-leaved Evergreens course. There are many more hardy shrubs well-suited to our landscape. Identification, cultural information, aesthetic qualities, and landscape uses will be addressed for a variety of conifers, both new and less common. Prerequisite: Botany 1 suggested. Dress for the weather. The School’s CEUs=14 hours

OPC elective  

Mark Zampardo, Ph.D., horticulture educator

4 Thursdays, June 6 – 27, 2024, 6 – 8 p.m. 

Also includes Garden Walks  

Meet at Visitor Center 

3 Sundays, June 9 - 23, 2024, 9 – 11 a.m.

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Ornamental Grasses In Depth
 

Discover exceptional ornamental grasses for all types of garden situations, sun and shade, wet and dry, formal and informal, and everything in between. You will learn about new cultivars along with those tried-and-true varieties that provide texture, movement, and visual interest. Identification, cultural information, aesthetic qualities, and landscape uses will be emphasized. Prerequisite: Botany 1 suggested. Dress for the weather. The School’s CEUs=6 hours   

OPC elective  

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Native Ground Covers: Online
 

Kick mulch to the curb! Switch to a tapestry of native plants and create a more visually appealing and ecologically valuable landscape. Learn a variety of versatile species that will satisfy many garden settings. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. The School’s CEUs=2 hours 

OPC elective

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Pairing Native Plants with Nonnatives
 

Reap rewards by blending native plants into ornamental gardens. Explore stunning native selections to bridge from traditional to natural landscapes loaded with color, movement, texture, and wildlife. Discover some native and ornamental plant combinations that coexist well due to similar growing needs. Learn about plants that are adaptable to conditions like heavier clay and wet areas. Layering natives with exotics provides season-long interest and the generous biodiversity needed by pollinators, songbirds, and beneficial insects. A Garden walk is included. Dress for the weather. The School’s CEUs=3 hours

OPC elective

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Plant Health 2
 

Explore the impact of insects, diseases, weeds, and wildlife through a series of in-depth Garden walks. Learn about common landscape pests, pest identification, and monitoring and management techniques. We will cover site assessment, soil testing, fertilization, and understanding pesticides. You will have the opportunity to design a basic plant healthcare program. A supply list will be sent. Dress for the weather. Prerequisites: Botany 1, Plant Health 1, and Botany 2

PGL 2 and GDC requirement

7/15/2024 6:00 PM - 8:00 PM
$562.00
Plants That Attract Beneficial Insects
 

Are you interested in controlling insect pests in your garden naturally? You can accomplish this by planting a diverse range of beautiful plants that attract pollinators and other beneficial insects. By learning about adult beneficial insects, their hungry larvae, and their preferred plants, you can effectively reduce or eliminate pest populations like aphids, tent worms, slugs, and other destructive insects. The School’s CEUs=2 hours

OPC elective

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Pollinator Container Workshop
 
Learn how to welcome pollinators to your home with a diverse array of flowering annuals that will also give you season-long color. Then prepare a warm-season mixed container suitable for a sun or partial-shade location.
Select Date/Time
$99.00
Principles of Garden Design
 

8 Wednesdays:
April 17 – June 5
6:30 – 9 p.m. &
2 Saturdays:
April 20 & May 18
1:30 – 4:30 p.m.

Apply knowledge and skills developed in previous design courses to understand spatial properties of landscape materials and their application to design principles. Discover the components of three-dimensional spaces and how they can refine your concept design plans and construction-level drawings. A supply list will be sent. Prerequisites: Graphics, Introduction to Professional Practice. 
PGL 2 and GDC requirement

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Salsa Container Garden Workshop
 

Why buy jarred salsa when you can grow and make your own? Plant a container of miniature tomatoes, yellow and red peppers, and onions and give “made from scratch” a whole new meaning. It doesn’t take much space to grow fresh ingredients for a spicy and tasty salsa. All materials included.

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Seasonal Perennial Plant Walk
 

Enjoy a morning walk and discover the diversity of perennial plants. Each month, you will explore a sampling of the Garden’s collections of perennials and experience the foliage, flower, and seed formation that provide seasonal interest. Dress for the weather.

Multiple dates are available. Scroll the calendar below.

Select Date/Time
$30.00
Seasonal Tree Walk
 

Enjoy a morning walk to explore the trees at the Garden. Each month, we will visit a different section of the Garden and learn about the trees unique to that area.

Multiple Wednesday Walks available. Scroll the calendar below. 

Select Date/Time
$30.00
Small Flowering Trees
 

7 Tuesdays: 
May 21 – July 2
6:30 – 8:30 p.m.
Also includes Garden Walks 
6 Saturdays:
May 25 – June 29
8 – 10 a.m.

Small flowering trees are a critical component of nearly every garden and landscape. This course covers approximately 40 genera and many more species and cultivars that thrive in our region. Identification, cultural information, aesthetic qualities, and landscape uses will be emphasized. Learn to select appropriate trees to add interest and depth to your garden and landscape projects.
OPC, PGL 1, PGL 2, and GDC requirement

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Soil, the Mystery Under Our Feet
 

New! Soil is the foundation of every garden and a better understanding will lead to healthier plants. You will learn what soil really is (it's not the same as dirt!), how it affects your gardening, and how you can make amendments to improve soil quality.

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Soil Basics, Intensive Session
 

Soil is an irreplaceable natural resource that affects plant selection and growth. Learn to maintain healthy soil; use compost, fertilizers, soilless and potting mixes, and other amendments. Discover how water cycles through a garden and affects soils and plants. A supply list will be sent.  

PGL 1, PGL 2, and GDC requirement 

9/7/2024 9:00 AM - 4:00 PM
$374.00
Spotlight Garden Tours
 
There are 28 gardens and four natural areas within the 385 acres of the Chicago Botanic Garden. Join our horticulturists for a behind-the-scenes tour of the Garden areas they oversee. Explore plant varieties and combinations, design elements, garden features, and fun stories as you soak up a wealth of knowledge from their years of experience working in these gardens. 

Multiple dates are available. Scroll the calendar below. 

Select Date/Time
$24.00
Spring Lawn Care
 
Learn the basics of lawn care. Using the Garden’s holistic turf-management program as a model, explore how to cultivate a thriving lawn while lessening pesticide use. We will cover turf culture, mowing, aerating, watering, fertilizing and weeding, and insect and disease control. Please dress for the weather.
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Spring Vegetable Growing: Online
 
Start by learning about site selection and appropriate growing conditions, soil testing, cool-season crop selection and indoor seed starting. Vegetable spacing, average planting times, and solid gardening techniques will be highlighted, as will succession planting and weed control. 

This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

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Staghorn Fern Workshop
 

Staghorn fern mounts are easy to care for and make beautiful and creative additions to your home or patio. Mount your own staghorn fern, mimicking reindeer antlers, onto a rustic wooden board with moss and soil. Leave class with a completed mount and knowledge of basic care to keep them happy for years to come. Please bring gloves.  

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Summer Garden Maintenance: Online
 

This gardening class is offered both online as a virtual class and on-site as an in-person class.

Proper watering, fertilizing, pruning, edging, deadheading, staking, and mulching practices make the difference between a healthy, well-kept garden and a landscape that gets ahead of you. You will have a hands-on opportunity to practice what you learn, so bring along a pair of pruners. Please dress for the weather.

Please choose either the on-site or online class attendance option. The online class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

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Summer Garden Maintenance: On-site
 

This gardening class is offered both online as a virtual class and on-site as an in-person class.

 

Proper watering, fertilizing, pruning, edging, deadheading, staking, and mulching practices make the difference between a healthy, well-kept garden and a landscape that gets ahead of you. You will have a hands-on opportunity to practice what you learn, so bring along a pair of pruners. Please dress for the weather.

 

Please choose either the on-site or online class attendance option. The online class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

 

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Summer Succulent Container Workshop
 

Succulent containers are trendy gardens to be enjoyed from spring through fall. Study design examples and then create your own take-home container. Learn how to care for your container, and how to extend it into the following year. Please bring gloves, an apron if desired, and pruning shears.

 

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Summer Vegetable Gardening: Online
 

Spend the evening learning about warm-season vegetables and herbs to grow in your summer garden. We will touch on soil amendments, hybrid and heirloom crop selection, direct sowing/ transplanting, intercropping, trellising, fertilizing, sustainable watering techniques, pest and disease control, and effective harvesting procedures. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance.

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Sun-Loving Native Perennials: Online
 

Many gardeners know that a lot of native perennials grow well in shady sites. However, there are quite a few that also thrive in full sun. You will discover a selection of sun-loving species that will delight the eyes, enhance any garden, and support an abundance of native wildlife. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. The School’s CEUs=2 hours 

OPC elective

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Three Sisters Gardening
 

Inspired by the Three Sisters Indigenous American agricultural practice, learn about a method of growing corn, beans, and squash together so they nurture each other like a family while they grow. Discover a bit of history as well as how to select, grow, harvest, and prepare both heirloom and new varieties suited to the Midwest climate. A garden walk will be included to see how “the three sisters” have been planted with a modern interpretation in the adjacent Grunsfeld Growing Garden. Dress for the weather.

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Tree Measurements and Terminology
 

When hiking or walking, do you ever wonder about the height or age of the trees around you? Foresters use a simple technique to determine tree height and age. You will discover how to take several measurements of trees to answer these questions. You will also learn terminology of trees such as DBH, caliper, multistemmed, clump form, standard, grafted, tree habits, and forms. Dress for the weather. The School's CEUs=2 hours

OPC elective

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Tropical Bonsai Workshop
 

Summer is the best time to work on your tropical bonsai trees. This comprehensive workshop will cover all aspects of tropical tree care, styles, grafting, air layering, and soil types. Have your trees ready for critique, styling, and repotting, and set a course for the future of your bonsai tree.  

8/7/2024 5:00 PM - 8:00 PM
$62.00
Wetland Plants
 

Discover wildflowers, sedges, rushes, and other native plants that inhabit our region’s wetlands. Learn how to identify a wide variety of wetland plants, while exploring their ecological function and aesthetic beauty. You will gain a deeper appreciation for the importance of native wetland plants, as well as the invasive plants that threaten wetland ecosystems. Dress for the weather. The School’s CEUs=2 hours  

OPC elective 

7/18/2024 10:00 AM - 12:00 PM
$65.00
Woodland Wildflowers for Gardens: Online
 

Light up your shade garden with native wildflowers. Trout lilies, spring beauties, Dutchman’s breeches, trillium, shooting stars, merry bells, and other native wildflowers can work alongside hostas and ferns. These perennial natives feed our early pollinators and add a layer of delicate color, texture, and blooms in spring. This class will be taught online via Zoom. All registrations must be submitted online two days before your class starts. Registered students will receive login instructions one day in advance. 

9/18/2024 6:30 PM - 8:30 PM
$40.00

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