Visit our Events Calendar for more information on the events listed below. Please click here to view our Class Policies.
Skill Level:    A = All Levels      B = Beginner     I = Intermediate/Advanced        

Sundays, January 07, 2018 – March 25, 2018, 2:00 PM-3:30 PM
Free with admission
Explore seasonal garden and conservatory highlights on a docent-led tour.
Tuesdays, January 23, 2018 – February 13, 2018, 6:00 PM-9:15 PM
Member $100, Non-member $120 (includes learning materials)
Instructors: Trained Forestry and Horticultural Professionals

To complete this program, participants must commit to at least 20 hours of volunteer time in the urban forest of Worcester or at Tower Hill Botanic Garden, as well as organize one pruning outing project to demonstrate leadership.

Learn the skills essential to urban and community forestry and become tree stewards in your community. Topics covered will include basic pruning techniques and safety, tree identification and biology, proper tree planting and establishment care, tree pests and diseases, tree health assessment and urban soil challenges.

Saturday, January 27, 2018, 1:00 PM-2:00 PM
Free with Admission; registration recommended
Join friends and fellow garden members reading and discussing a thought provoking, award-winning book, The Hidden Life of Trees by Peter Wohlleben during our 2018 community read. We also plan a series of tree walks, lectures and other events with the Worcester Tree Initiative.

Learn more about the book and related events at the kickoff. Copies of the book are available in the Library and The Garden Shop.

Wednesday, January 31, 2018, 2:00 PM-3:00 PM
Free with Admission
Guide: Jessie Blum, Conservatory Horticulturist

Explore the conservatory collection and discover what types of plants do well in low light conditions and how to best take care of them.

Saturday, February 03, 2018, 1:00 PM-4:00 PM
Member $60, Non-member $75
Instructor: Adam Wheeler, Broken Arrow Nursery

Join grafting guru Adam Wheeler for a hands-on workshop on grafting Japanese Maples. After a lecture, youll graft several specimens to take home.

Saturday, February 10, 2018, 2:00 PM-3:00 PM
Free with Admission
Presenter: Joseph Bruso

This talk will highlight the diversity of foliage and flowers in the genus Rhododendron, and many of the species and hybrids that perform well in New England.

Sunday, February 11, 2018, 2:30 PM-3:30 PM
Free with Admission
Presenter: Warren Leach, Tranquil Lake Nursery

Landscape horticulturist and award-winning garden designer Warren Leach will introduce plants and planting combination to extend your garden enjoyment throughout the seasons.

Saturday, February 17, 2018, 11:00 AM-12:00 PM
Free with Admission
Presenter: Kerry Mendez, author of The Budget-Wise Gardener

Get the inside scoop on nailing the best deals and having it all: selecting plants that give you the most bang for your buck, timing your purchases to take advantage of deep discounts and giveaways, finding treasures at plant, bulb and seed swaps – and much more.

Sunday, February 18, 2018, 2:30 PM-3:30 PM
Free with Admission
Presenter: Erin Doolittle, Staff Gardener

Learn how to create your own cutting garden for fresh bouquets all summer long.

Wednesday, February 28, 2018, 2:00 PM-3:00 PM
Free with Admission
Presenter: Erin Doolittle, Staff Gardener

Erin will demonstrate how to make floral arrangements in winter using berries, branches, evergreens and more.

Thursday, March 01, 2018, 11:00 AM-12:30 PM
Free with admission; registration required
Leader: Betsy Williams & Kathy Bell, Tower Hill Librarian

Have you ever wondered what plants grew outside the door of your old houseand why? Spend the morning delving into plant and garden history, and learn the best resources to research and find those plants today.

Sundays, March 04, 2018 – March 11, 2018, 12:30 PM-3:15 PM
Member $95, Non-member $120
Instructor: Monique Allen, The Garden Continuum

Learn the fundamentals of landscape design theory, site analysis and layout planning from an experienced professional.

Saturday, March 17, 2018, 1:00 PM-2:30 PM
Member $10, Non-member $20
Presenter: Gretel Anspach

Urban gardening is about growing food and ornamentals in small spaces. Whether you have a huge yard without the time or desire to tend it all, or an apartment with no outdoor space at all, this comprehensive talk will give you tips and techniques to start and maintain a garden you can call your own.

Tuesday, March 20, 2018, 11:00 AM-12:30 PM
Member $5, Non-member $18; registration required
Presenter: Peter Wohlleben

Trees matter. Thats the simple but powerful message author Peter Wohlleben makes in his book The Hidden Life of Trees. Dont miss Peters terrific photographic presentation and the chance to ask questions and get your book signed.

Sunday, March 25, 2018, 1:00 PM-2:30 PM
Member $10, Non-member $20
Instructor: Thomas Dzaugis, Green Path Garden Supply & Hydroponics

Learn the basics of hydroponics  growing vegetables and herbs in a non-soil growing medium  so you can grow vegetables and herbs all year long.

Wednesday, March 28, 2018, 2:00 PM-3:00 PM
Free with Admission
Instructor: Dawn Davies, Staff Horticulturist

Learn the basics of pruning small trees and shrubs in the dormant season. Please dress for the weather as this will take place outdoors.

Saturday, March 31, 2018, 10:00 AM-1:00 PM
Member $35, Non-member $45
Instructor: Christie Higginbottom

Learn which plants will most benefit from a head start indoors plus tips and techniques for success. Participants will sow two flats to take home.

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Master Gardener Training Class
Massachusetts Master Gardener Association (mmga)
The 2017 MMGA Master Gardener Training Class will begin in April and run through October. For more information & registration: