Grow from Seed: Vegetables & Herbs (Ages 14+)

Growing vegetables is enormously rewarding, especially when you start them from the tiniest of seeds. Witnessing and nurturing the growth of a plant, particularly one that nourishes in return, provides immeasurable fulfillment. Professional vegetable grower John Fromer invites gardeners of any ability, ages 14-adult, to learn about the selection and process of growing vegetables and herbs, whether started in your home or sown directly in your garden bed.

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Location: Online
Instructor: John Fromer
Price: $18 / $24

Garden Design: Creating a Base Plan

Beginning a base plan for a plan-view design of your garden may not be the most exciting part of the process, but it is an all-important one! Join us as we discuss everything from how and what to measure for a new garden to translating that information into a scaled drawing on paper. Once a base plan is established, the designer can get creative, tracing over it until they are happy with (and excited about!) their design, the topic of discussion in the next class: Dreams to Design. Students will be responsible for their own design materials, supply list available upon registration.

Location: Online
Instructor: Irene Barber
Price: $30 / $36

Favorite Annuals: Top-20 Staff Picks

In this panel presentation, four CMBG horticulturists will review their top five annuals, from longtime favorites to new darlings from the 2021 growing season. With so many beautiful annuals at CMBG, each showing off unique foliage, flowers, and structure, it’s difficult to choose which ones to feature—but these top-20 are a good place to start!

Location: Online
Instructor: Jen Dunlap
Price: $15 / $20

Growing Your Green Thumb

Tuesdays, March 22 and 29 | Countless new terms and often-conflicting advice can make gardening intimidating, not only for newcomers, but also for those who have been gardening for years. In this course, we’ll set gardeners up for success in the potentially overwhelming world of horticulture. Using practical, real-life examples and engaging activities, we'll review how plants are named and classified, basic plant anatomy, and how environmental factors can influence plant growth.

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Location: Online
Instructor: Katherine Garland
Price: $25 / $32

Soils, Mulches, and Amendments

Soils, mulches, and amendments are fundamental for growing plants successfully indoors or out, but it’s easy to become confused, overwhelmed, or unsure. In this webinar, we’ll review what’s what, addressing in-ground and above-ground applications pertinent to vegetable, woodland, or container gardens. We’ll also discuss the variety of manufactured soil and soilless blends, mulches, amendments like composts and mineral additives, the basics of the soil chemistry and biology, and making sustainable choices.

Location: Online
Instructor: Irene Barber
Price: $15 / $20

Garden Design: Drawing from the Landscape

Whether designing a secret garden or an extensive wildflower garden, it’s critical to run an assessment of the setting—built features, where water flows, and how much sun hits the area between growing months. We'll discuss what a site assessment and inventory looks like and how sketching this information gives designers a visual diagram, providing a clearer understanding of any variables to consider. The more informed you are as a designer, the better a designer you’ll be! Students will be responsible for their own design materials, supply list available upon registration.

Location: Online
Instructor: Irene Barber
Price: $30 / $36

Perennials for Cut Flowers

This presentation highlights the ever-popular topic of growing, gardening, and designing with cut flowers. Because perennials are not endless bloomers, they often get overlooked as cut flower options. However, for sustained color all season long, there are plenty to choose from when planning a residential perennial border or farm field. John Bliss, co-owner of Broadturn Farm, and floral designer and grower Celeste Parke will discuss those hardy perennials, both herbaceous and woody, that offer fantastic, sustainable options for cut flowers, discussing details from cultivation to vase. For growers, gardeners, and landscape designers, this topic is gold.

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Location: Online
Instructor: John Bliss
Price: $10 / $15

Form and Texture in Graphite 1 (Ages 14+)

Thursdays, April 7 and 14 | Delve deeply into depicting botanical subjects with graphite. Using fruits and vegetables, gain an in-depth understanding of how light affects individual shapes in nature including highlights, midtones, shadow areas, reflected highlights, and cast shadows. Great for ages 14-adult, beginners, or those looking to refine their drawing and observation skills.

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Location: Online
Instructor: Mindy Lighthipe
Price: $50 / $65

Growing Orchids Indoors

Orchids are amazing plants—and an engrossing indoor hobby for us northern gardeners. In this fun and enlightening class, learn from CMBG horticulturist Courtney Locke how to successfully grow orchids year-round as houseplants. With so much advice out there, it’s inevitable that confusion would arise. Learn from a true orchid grower and enthusiast, and soon you’ll be on your way to nurturing these intoxicating plants in a variety of arranged containers.

Location: Online
Instructor: Courtney Locke
Price: $15 / $20

Wildlife in the Backyard: Amphibians and Reptiles (CANCELLED)

Wildlife awakens upon the spring equinox, vibrant with the sound of a new generation. In this workshop, students ages 14-adult will learn which species belongs to which sound, identifying frogs, turtles, salamanders, and other herps (Greek for “crawling things”). Learn about the Big Night and the citizen science initiative surrounding it. From the comfort of your home attend the live instruction featuring these exceptional wetland fauna.

Location: Online
Instructor: Alicia Miller
Price: $15 / $20

Plant ID and Ecology: Wetland Plants

Wetland plants are wildly diverse and complex—take the marsh marigold or the wild calla, the native relative of the traditional calla lily. Join ecologist Ted Elliman for this online lecture and captivating visual presentation, and learn more about freshwater wetland plants. Ted will guide participants in identification, wetland classifications, habits, and the fauna that have co-evolved with these verdant plants, gaining a deeper understanding for their ecological value.

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Location: Online
Instructor: Ted Elliman
Price: $15 / $20

The Right Tool For the Right Job

From gardening to landscape projects, the right tool makes the process easier, less strenuous, and more efficient. A chef wouldn’t use a butter knife to slice a roast, and a carpenter wouldn’t secure an inch-thick board with a half-inch nail! In this behind-the-scenes look at the CMBG horticulture staff's favorite tools, you'll learn why certain tools are appropriate for certain jobs. We’ll also discuss the more effective and ergonomic options out there—it might be time to replace that splintering, 30-year-old spade you're still using!

Location: Online
Instructor: Irene Barber
Price: $12 / $18

Form and Texture in Graphite 2 (Ages 14+)

Thursdays, April 21 and 28, May 5 and 12 | Delve deeply into depicting botanical subjects with graphite. Using fruits and vegetables, gain an in-depth understanding of how light affects individual shapes in nature including highlights, midtones, shadow areas, reflected highlights, and cast shadows. Great for beginners and those looking to refine their drawing and observation skills.

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Location: Online
Instructor: Mindy Lighthipe
Price: $120 / $135

Demystifying Watercolor

Thursdays, June 2 and 9 | This introductory course is designed for both beginner and advanced artists interested in a thorough exploration of painting with watercolor. Emphasis will be on understanding the proper handling of the paint in order to achieve certain desired effects, and concise recipes for consistent color-mixing will be provided. Each lesson is broken down into a concise live format with demonstrations. The subject matter is based on nature, but can be applied to any realistic subject matter.

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Location: Online
Instructor: Mindy Lighthipe
Price: $50 / $65

Creating Meaningful Photographs with Ron Rosenstock

Join world-renowned photographer Ron Rosenstock for this Zoom lecture. Ron will elaborate on the three main ingredients needed to create meaningful photography: attention, intention, and awareness. Ron Rosenstock has taken photographs and taught photography all over the world. The lecture will run approximately 90 minutes with time left at the end for questions and answers.

Location: Online
Instructor: Ron Rosenstock
Price: $35 / $45

Nature of Oaks

Oaks sustain a complex and fascinating web of wildlife. Come learn what happens in their branches, month by month, a tangible cycle of life, death, and renewal. From woodpeckers harvesting hundreds of acorns to the jewel caterpillars grazing greenery, Tallamy describes and celebrates these backyard wonders. Learn practical advice about planting and caring for oaks and the best oak species for your area. Leave inspired to treasure, nurture, and protect these remarkable trees.

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Location: Online
Instructor: Doug Tallamy
Price: $15 / $20

Ferns: Ecology, Cultivation, and Design

This presentation will explore ferns, from their ancient roots to their current evolution, adapting to grow and thrive in a diverse range of environments. This extensive genera of plants can live in open New England meadows, dry or wet woodlands, and in almost any cultivated garden setting to add texture, architectural interest, verdant hues, and essential habitat for native fauna.

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Location: Online
Instructor: Michael Sundue
Price: $12 / $18

Winter Gardens Book Club (Members Only)

Now that the garden is put to bed, it’s a great time to read those books you’ve been meaning to get to! Join the conversation as we discuss four acclaimed books with nature at their core. We’ll conduct these conversations via Zoom, so anyone can participate. Just sign up, read the selection and then join the group by logging into the Zoom meeting that day. December 13: Hurricane Lizards and Plastic Squid: The Fraught and Fascinating Biology of Climate Change by Thor Hanson, January 10: Night of the Living Rez by Morgan Talty, February 10: Second Nature by Michael Pollan, March 14: Woodsqueer: Crafting a Rural Sustainable Life by Gretchen Legler

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Location: Online
Instructor: Vanessa Nesvig
Price: $25

Maine’s Soil Carbon: Attention to Landscapers and Gardeners

Soil carbon sequestration, also known as “carbon farming” or “regenerative agriculture,” is a technique valuable to anyone working with soil, no matter the scale. Dr. Ivan Fernandez, Maine soil scientist and researcher focusing on Maine's carbon cycle, will discuss the “good, bad, and ugly” of carbon as well as what can be done to help slow down and reduce Maine's carbon footprint. Join us to hear current statistics and methods contributing to Maine's efforts to mitigate carbon pollution.

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Location: Online
Instructor: Dr. Ivan Fernandez
Price: $12 / $18

New England Stone Walls: Art and Function

Once-common land management tools for grazing animals, growing vegetables, or marking property, New England stone walls have evolved into masterful pieces of art. In this visually captivating presentation, Vermont stone craftsperson Brian Post of Standing Stone LLC will share the fundamentals of stone wall construction and explore the various aesthetic adaptations that contribute to artful elements in any landscape at any scale. Focusing primarily on dry stack walls, he’ll discuss loose farm walls, retainer walls, double-sided dimensional walls, walls for climbing or sitting, and how to become trained in the craft.

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Location: Online
Instructor: Brian Post
Price: $12 / $18

Patios, Paths, and Driveways: Permeable Applications

Traditional hardscape surfaces like pavers, asphalt, stone aggregates, and field stone are materials landscapers have long used, some for centuries. Today, these products are being modified and adapted into permeable applications. In this presentation, landscape engineer Robert Roseen will discuss necessary considerations for applying permeable surfaces and installation dos and don'ts. These products and their engineering have come a long way, and they work—even in New England! Join us and conserve and support healthy water hydrology instead of treating it like a waste product.

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Location: Online
Instructor: Robert Roseen
Price: $12 / $18

Resilient Landscapes in Built Environments Section I

In this section, Design and Structural Components, we will identify and assess the design process and factors inclusive of ecological principles, processes, and materials in order to create systems that are resilient and regenerative. Four separate online sessions focus on: Ecological Design for Resilience, Applied Soils: Restore and Engineer, Systematic Solutions to Water Management, and Sustainable Materials.

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Location: Online
Instructor: Multiple Instructors
Price: $250 / $275

Garden Design: Foundations and Inspirations

Whether designing one garden or several, the first step is to learn the foundation and classical inspirations of garden design. Understanding design principles and becoming aware of how garden design has evolved through the centuries and is represented through different cultures helps new designers establish a basis and broadens perspectives. In this online class, Irene Barber, landscape designer and the Gardens’ Adult Education Program Manager, will introduce students to garden themes from different cultures and civilizations, all of which relate to the principles and elements of design relevant to today.

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Location: Online
Instructor: Irene Barber
Price: $36 / $45

All About Birds

Thursdays, March 2, 9, 16, 23, 30 & April 6, 9:30-11:30 a.m. | Learn to paint and draw birds! In this thorough, engaging, and inspiring five-week class, students will work from photographs and online resources to learn the anatomy of eggs, nests, feathers, wings, and the whole bird anatomy. Class meets online via Zoom. Each week a new topic will be introduced through slide lectures and demonstrations of various techniques. Students may work in watercolor and/or colored pencil. After the class is over, there will be a final review bonus class where students can receive feedback from the instructor. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

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Location: Online
Instructor: Mindy Lighthipe
Price: $230 / $250

Garden Design: A New England Lens

Geography and cultural history are pertinent factors when making garden design decisions, particularly in New England’s unique and diverse landscapes, from river valleys to rolling fields to narrow, rocky corridors. In this online class, students will learn how to establish a sense of place and belonging, wherever their prospective garden is to be located. No matter what cultural elements and influences you want to incorporate, this class will help you get creative while staying true to a sense of place.

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Location: Online
Instructor: Irene Barber
Price: $36 / $45

Landscape Buffers for the Water’s Edge

Maine’s water resources are among our state’s greatest natural assets, but disturbing soil, working with, and affecting vegetation around shorelines can involve extra care, materials, and understanding of local, state, and federal regulations. John Maclaine of Maine DEP’s Nonpoint Source Training Center will focus on vegetative buffers that include a variety of plant species effective for controlling erosion, protecting water quality, and maintaining high-quality resources for future generations. He’ll share ecological principles that guide regulatory decision-making and up-to-date information on state rules and permits. Whether wetlands, ponds, lakes, rivers, or the seashore, landscapers and gardeners working with the water’s edge will find this this presentation helpful as a refresher or for building awareness.

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Location: Online
Instructor: John MacLaine
Price: $12 / $18

Orientation: Certificate in Native Plants & Ecological Horticulture

New and ongoing students in the Certificate in Native Plants and Ecological Horticulture will attend this online session. Learn about this comprehensive program, its curriculum, the core courses, the elective courses, and the instructors. The extensive program welcomes experienced gardeners, hobbyists, and professional gardeners interested in building their proficiency about New England native plants and the horticulture practices that support ecology in the landscape.

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Location: Online
Instructor: Multiple Instructors
Price: $25

Pruning for Beginners

This online lecture and slideshow presentation will introduce students to the fundamentals of pruning and discuss the what, when, and how. Dormancy is a critical time, and pruning trees and shrubs in this window will prevent damage and promote healthy plant growth for the following growing season. Join us to lose your fear of pruning and discover just how much fun and approachable it is with the appropriate tools. Following this class, students can register for "Pruning Workshop: Practices and Plants," happening at the Gardens in April. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

Location: Online
Instructor: Irene Barber
Price: $25 / $30

Top 20 Native Trees and Shrubs

Join us for this online panel presentation and learn about 20 favorite trees and shrubs native to the northeast from three of our staff horticulturists, Lon Ames, Kelsie Birney, and Alison Webb. Native trees and shrubs provide a variety of ecosystem services that are essential to preserving the environment, perfect for any garden or landscape setting. We'll talk about the plants' wildlife habitat, design applications, ornamental features, and end with questions and answers. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

Location: Online
Instructor: Multiple Instructors
Price: $22 / $26

Growing Vegetables & Herbs from Seed

Growing from seed is enormously rewarding, especially when you're growing for the best flavors and nutrition. This two-part online class will provide you with the knowledge and confidence to successfully grow an assortment of vegetables and herbs from seed, whether you're growing on a windowsill, under grow lights, in a hobby greenhouse, or directly in the garden soil. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

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Location: Online
Instructor: John Fromer
Price: $32 / $40

Garden Design: Assess and Sketch

Whether designing a secret garden or an extensive wildflower garden, it’s critical to evaluate, document, and sketch out a setting's details—built features, water movement, sun exposure throughout growing months, soil types and so on. This online session will help students develop longhand documentation and, more importantly, sketch the assessed information, resulting in a visual diagram that provides a clearer understanding of any variables to consider. The more informed you are as a designer, the better a designer you’ll be! We strongly recommend students to have a scaled base-plan in-hand before moving forward with this stage. Upon registration, students will receive a supplies list that will be useful for designing a new garden.

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Location: Online
Instructor: Irene Barber
Price: $36 / $45

Top 20 Hardy and Resilient Perennials

Join us for this online panel presentation where we'll feature 20 hardy and resilient perennials selected by staff horticulturists Jen Dunlap, Courtney Locke, and Delaney Pitman. This group of plants includes those that manage challenging conditions such as dry/wet, windy locations, compacted soils, and which also regenerate quickly after major weather events, on the rise due to climate change. Come learn about plants that will lead to sustaining, high-performing, and beautiful gardens. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

Location: Online
Instructor: Multiple Instructors
Price: $22 / $26

Soils, Mulches, and Amendments

Soils, mulches, and amendments are fundamental for growing plants successfully indoors and out, but it’s easy to be unsure, confused, and overwhelmed. In this webinar, we’ll review what’s what, addressing in-ground and above-ground applications pertinent to vegetable, woodland, or container gardens. We’ll also discuss the variety of manufactured soil and soilless blends, mulches, amendments like composts and mineral additives, the basics of the soil chemistry and biology, and making sustainable choices. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

Location: Online
Instructor: Irene Barber
Price: $22 / $26

Tree Pests: The Future of Tree Selection and Resilience

Trees, whether forest or cultivated species, are experiencing major pest problems, most of which have been brought about by human impact. We’re now left wondering what will happen to Maine's forests and what the impact to our landscape will be. Will there be economic implications? Will some species show more resistance and resilience than others? Will pest species’ life cycles persist or lessen over time? How will these pests impact Maine's nursery and landscaping industry? Allison Kanoti, State Entomologist for the Maine Department of Forestry, will dig into these questions and more, offering clarity that will help us become better prepared and informed.

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Location: Online
Instructor: Allison Kanoti
Price: $12 / $18

Introduction to Kitchen Garden Design

In this two-part online class, we will introduce, review, and practice the art of kitchen garden design. Kitchen garden designer, grower, and author, Ellen Ecker-Ogden, will feature a number of different designs and concepts to inspire you, then explain cultural considerations, artful elements, and plant selection. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

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Location: Online
Instructor: Ellen Ecker Ogden
Price: $40 / $48

Garden Design: Structure and Movement

Once we have the conceptual ideas narrowed down to one or two general schematics of our garden spaces, we can start shaping them with program and structure. Structure and movement consist of more than a row of shrubs, a fence, a path or a wall at your property line – this is how you shape a space, create a sense of enclosure, and lead the eye to landscape destinations. This online lecture and demonstration will identify features and design principles captured initially on trace layers, which will ensure both pragmatic and inspirational function in our gardens. After this class, students will feel empowered to practice on the personal project that will help them prepare for the next class, Garden Design: Details in the Layers. Upon registration, students will receive a list of supplies recommended to pursue their own design project.

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Location: Online
Instructor: Cheryl Salatino
Price: $36 / $45

Top 20 Plants for Winged Companions

Join us for an online panel presentation featuring 20 plants that attract winged companions like the birds, native butterflies, moths, and flying insects that are essential to our ecosystems. Many of the plants we’ll discuss are found in forests, fields, and other natural ecosystems, wonderful species for gardens and rewilding. Staff horticulturists Lesley Paxson, Alicia Miller, and Brent McHale will share their favorites, perfect for your gardens or wild spaces. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

Location: Online
Instructor: Multiple Instructors
Price: $22 / $26

Form and Texture in Graphite I

Thursdays, April 13 & 20, 9:30-11:30 a.m.

In this two day class, delve deeply into the art of graphite drawing. Using simple botanical subjects, this virtual class will give students confidence in accurately depicting various fruits and vegetables. Using a light source and three-dimensional armature and an emphasis on highlights, mid-tones, and shadow areas, artists will develop an understanding of concave and convex shapes. Students will complete a three-part series of drawings, line, armature, and full tonal graphite drawing. While this class is a part of our adult education offerings, it is open to advanced younger students, ages 14 and older.

Location: Online
Instructor: Mindy Lighthipe
Price: $55 / $65

Growing Hydrangeas

Are you interested in growing hydrangeas in your garden? Or maybe your hydrangeas aren’t performing as well as you'd like? Join this online presentation with Horticulturalist Courtney Locke as she provides a thorough overview of the many different types of hydrangeas and how to successfully grow them for bountiful blossoms and sturdy structure.

Location: Online
Instructor: Courtney Locke
Price: $22 / $26