Welcome to the best garden events calendar in Connecticut. This calendar is a FREE service to the gardening community. Come back often and remember to refresh the page in your browser. To avoid potential disappointment, PLEASE call ahead to confirm details.
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Listings may be emailed to Deadlines for inclusion in our print editions are as follows: Jan. 15 for March/April, March 15 for May/June, May 15 for July/August, July 15 for September/October. Sept. 15 is the deadline for November/December digital-only edition. Placement can not be guaranteed due to space constraints or other factors.
Feb. 18 to April 9 The Orchid Show at the New York Botanical Garden.
March 28 (Tues) 6-9 pm Screening of "Seed - The Untold Story" at The Performing Arts Center of Greenwich Country Day School. Refreshments, reception and book signing with special guest Will Bonsall. Q&A and discussion after the film. Presented by Greenwich Community Gardens. $20. Pay online or at the door. RSVP to Go to to pay online.
March 31 (Fri) 1 to 7 pm Consulting Rosarian School at the Hilton Garden Inn Hartford South / Glastonbury.
March 31 - April 2 (Fri-Sun) La Fleur de Rose: A Love Story - Annual Convention of the Yankee District of the American Rose Society at the Hilton Garden Inn Hartford South / Glastonbury.
April 1 (Sat) 8:30 am to 2:30 pm Annual Spring Show & Sale of the Windsor African Violet Society at Grace Episcopal Church in Windsor.
April 1 (Sat) 10 am to 4 pm Open House at Colorblends in Bridgeport.
April 1 (Sat) 9 am to 5 pm Begin a Vegetable Garden with Mac Mead at The Pfeiffer Center in Chestnut Ridge, NY. Basic skills and biodynamics for new gardeners. $95.
April 1 & 2 (Sat & Sun) 10 am 34th Annual Cactus and Succulent Show & Sale at the Naugatuck Valley Community College in Waterbury. The judged show has more than 100 categories with more than 500 entries. There will be at least 14 vendors with a large selection of plants, pots, soils and books. Admission to the show and sale is free. Free plants will be given to the first 50 families entering the show on both days. There will also be a series of free lectures and auctions of larger plants. Details will be available at
April 7-9 (Fri-Sun) 34th annual Bonsai Festival of the Mid-Atlantic Bonsai Societies at the Radisson Hotel in Cromwell. Exhibition, demos, vendors, workshops, raffles and auctions.
April 8 (Sat) 10 am to 3:30 pm Show and Sale of the Branford Thimble Islands African Violet Society at Willoughy Wallace Memorial Library in Branford. For info call (203) 481-9455.
April 8 (Sat) 2 to 4 pm Mushroom Cultivation Workshop at CFPA HQ in Middlefield. Jess Wikle will lead a workshop on cultivating shiitake mushrooms. The event will begin with an indoor presentation on the background and basics behind cultivating shiitake mushrooms. We'll then go out in the field for a hands-on demonstration of how to inoculate logs for mushroom growth and how to manage them once inoculated. Participants will receive their own log to inoculate at the workshop and take home. $5/$10. Please bring cash or a check. RSVP early to reserve a spot.
April 19 (Wed) 7:30 pm Ruth Bennet will present "Iris for the New England Garden" at the Suburban Garden Club of Cheshire at the Cheshire Senior Center. Doors open at 7 pm. The suggested donation for non-members is $5.
April 21 (Fri) Annual banquet and auction of the Rhododendron Society of CT at The Pond House Cafe in West Hartford.
April 20 (Thurs) 6:30 pm Forum on Invasive Vines & Plants at Windsor Town Hall. The New York Times has reported that after the loss of open land, the invasion of invasive vines, plants, bugs and aquatics pose the greatest threat to our environment of this century. The event will be held in the Ludlow Room at Windsor Town Hall. We will meet at 6:30 and our keynote speaker, Todd Mervosh, will begin at 7, followed by Jim Govoni, the Tree Warden for the Town of Windsor. There will be a Q&A session afterwards. We are looking forward to hearing input from legislators from the State Capitol. Feel free to contact Maureen Vagnini for more information at 1-860-688-6753 (Windsor Garden Club).
April 21-23 (Fri-Sun) Northwest Conservation District's Annual Earth Day Plant Sale at the Goshen Fairgrounds. Advance orders due April 7.
April 21 & 22 and April 28 & 29 (Fri & Sat) Eastern Connecticut Conservation District Plant Sale. Two Locations. Gales Ferry Ocean State Job Lot building on April 21 & 22. Brooklyn Fairgrounds on April 28 or 29. Advance orders due March 31.
April 22 (Sat) Great Gardens & Landscaping Symposium at the Woodstock Inn & Resort in Woodstock, VT. Lectures, gourmet food, a welcome reception, handouts, garden gifts, door prizes and a Gardeners Marketplace. For more info go to or call Kerry Ann Mendez at (207) 502-7228.
April 22 & 23 (Sat & Sun) North Central Conservation District Plant & Seedling Sale at the Tolland County Ag Center and Auer Farm. The order deadline is April 5. Check them out on Facebook or
April 28 (Fri) 8:30 am to 3:45 pm Tree Wardens' Association of Connecticut 25th Anniversary Meeting at the Omni Hotel in New Haven. Speakers include Dr. Michael Dirr and Sen. Richard Blumenthal. Inclues breakout sessions, lunch, vendors, a social hour, dinner and evening entertainment.
April 28 (Fri) 6:30 pm CT Horticultural Society's Spring Plant Sale & Auction will again be held at Bethany Covenant Church in Berlin. Plant viewing and silent auction begins at 6:30 pm, sale begins at 7 pm, followed by the live auction. Free admission.
April 28-30 (Fri-Sun) CT River Coastal Conservation District Plant & Seedling Sale at Tanger Outlets in Wetbrook. Advance orders due April 7.
TO AVOID POTENTIAL DISAPPOINTMENT, PLEASE CALL AHEAD TO CONFIRM DETAILS. This calendar is a FREE service to the gardening community. We do our best to be accurate but events can change and errors occasionally creep in for one reason or another.
Aton Forest 270 North Colebrook Road, Norfolk, CT 06058
For more info, email or call (860) 542-5125.
  • March 30 (Thurs) 9 am to 3 pm Distinguishing Invasive Plants and Native Look-alikes in Late Winter and Early Spring with Bill Moorhead. $75. Registration and payment in advance required.
Ballek's Garden Center 90 Maple Ave., East Haddam, CT 06423
Summer hours: Monday through Saturday, 9 am to 5 pm; Sunday, 9 am to 4 pm. For more information, visit or call 860.873.8878
For groups of 10 or more, Ballek's will provide free tours, lectures and workshops. Each attendee is given a $5 gift coupon toward a purchase of $25 during their next visit. Slide lectures are given in their stone house meeting room. Check website for a list of available topics.
Bartlett Arboretum & Gardens 151 Brookdale Road, Stamford, CT 06903
For more info go to
The grounds are open to the public every day of the year. They offer professional landscaper courses.
Berkshire Botanical Garden 5 West Stockbridge Rd, Stockbridge, MA 01262
Call 413.298.3926, email or visit
  • April 8 (Sat) 9:30 am to 12:30 pm Spring Pruning of Woody Ornamental Plants with Ron Yaple. $25/$30
  • April 8 (Sat) 1 to 3 pm Growing Nightshades in the Vegetable Garden with Ron Kujawski. $25/$30
  • April 29 (Sat) 9:30 am to 12:30 pm Transplanting Shrubs & Planting Small Ornamental Trees with Ken Gooch. $10/$20
Sam Bridge Nursery & Greenhouses 437 North St., Greenwich, CT 06830
Dress appropriately for the weather. Some classes are held outside. Call the store at (203) 869-3418 or email to sign up for classes and events. Be sure to specify which class you'd like to attend. Spaces are limited. Reservations required. Most classes are free unless stated otherwise.
  • April 29 (Sat) 10 am Entryway Planters
  • May 6 (Sat) 10 am Show Stopping Summer Patio Pots
  • June 23 & 24 Hydrangea Weekend
Broken Arrow Nursery 13 Broken Arrow Road, Hamden, CT 06518
Call 203.288.1026, email or , or visit
  • April 1 (Sat) 8 am to 5:30 pm Opening Day. Admission is free.
  • April 20 (Thurs) 9 am to 4 pm Magnolia Festival. Richard Jaynes, owner and magnolia enthusiast, will be in attendance. Admission is free.
  • May 3 (Wed) 5 to 6:30 pm Spring Ephemerals with Carl Galanter. $15
Butternut Gardens 54 Butternut Lane, Southport, CT 06890
Pre-registration required. Visit for workshop information and sign-ups.
The Center for Sustainable Living 90 Cabbage Lane, Bethlehem, CT 06751
Call (203) 982-1884, email or visit
Comstock, Ferre & Co. 263 Main St., Wethersfield, CT 06109
Classes are free unless stated otherwise. Register in advance by caling at 860.571.6590 or emailing and providing your name and contact information. Registration is closed at 4 pm the Friday before the class.
The Connecticut Agricultural Experiment Station (CAES) New Haven

CAES Seminar Series in Jones Auditorium. Food and coffee available at 11:45 am. Free and open to the public.

  • March 29 (Wed) 12 to 1 pm Impacts of Invasive Cattail (Typha x glauca) Management on Wetland Ecosystems Services with Prof. Beth Lawrence from UConn.
  • April 26 (Wed) 12 to 1 pm Fungal Taxonomy - Bioinformatics with Dr. Zheng Wang, Yale University.
Connecticut Botanical Society
Field trips are a long-standing tradition of the society. They provide an opportunity to learn about Connecticut's plants and habitats from some of the area's most knowledgeable botanists -- and an opportunity to share your knowledge with others. Wear sturdy footwear and bring lunch. Sunscreen and insect repellent are recommended. For plant ID, you may want to bring field guide(s), a hand lens, and a small notebook. Familiarity with plant taxonomy is helpful, but not required. Non-members are welcome to join our field trips. No registration is required, unless otherwise stated in the trip description. Visit the society's website for details.
Connecticut College Arboretum 270 Mohegan Ave., New London, CT 06320
Call 860.439.5020 or visit
Free guided tours run Saturdays May through October. Meet at 10 am at the Blue Sculpture between Fanning and New London Halls on the campus of Connecticut College. First Saturday - Campus Landscape. Second and fifth Saturday - Caroline Black Garden. Third and fourth Saturdays - Native Plant Collection. Tours are open to the public and no reservations are required. Rain or shine. For more info, call or email
Wild Ones meet the second Saturday of every month from 10 am to noon at Connecticut College, Olin Science Center Lounge. Call (860) 439-5060 for more information. We welcome people to join the CT Mountain Laurel Chapter of Wild Ones (WO). WO promotes the concept of landscaping in harmony with nature and the use of native plants.
  • April 1 (Sat) 10 am to 12 pm The Art & Science of Pruning with Jim Luce. Meet in New London Hall Room 101. Non-members $10
  • April 5 (Wed) 6:30 to 9 pm Growing Plants from Seed with Maggie Redfern. $15/$25
  • April 12 (Wed) 7 to 9 pm Orchids for Beginners with Lydia Pan and Leigh Knuttel. Meet in New London Hall Botany Lab (Room 112). $5/$10
  • April 27 (Thurs) 1-3 pm & 6-8 pm Free screening of Hometown Habitat: Stories of Bringing Nature Home at the Colchester Library. A discussion will follow the 90-minute film.
Connecticut Daylily Society Call (860) 673-8445 or go to
Meetings at the Avon Senior Center are free and open to the public. No advance notice is required. Social hour starts at noon. Speakers follow a brief 1 PM business meeting.
Connecticut Forest & Park Association Call (860) 346-TREE or go to
16 Meriden Road, Rockfall, CT 066481
  • April 8 (Sat) 2 to 4 pm Mushroom Cultivation Workshop with Jess Wikle at CFPA HQ in Middlefield. $5/$10. RSVP required.
Connecticut Horticultural Society 2433 Main St., Rocky Hill, CT 06067
Regular program meetings are held on Thursday at the Emanuel Auditorium, 160 Mohegan Drive, West Hartford. Doors open at 6:45 pm. Non-members $10. For more information call (860) 529-8713, email or go to
  • April 20 (Thurs) 7:30 pm Straight Up or On The Rocks: Phlox with James Locklear, Director of Conservation, Lauritzen Gardens, Nebraska.
  • May 18 (Thurs) 7:30 pm Why Grow That, When You Can Grow This? with Andrew Keys, author and plantsman.
  • June 15 (Thurs) 7:30 pm Landscape Design Bloopers with C.L. Fornari, author, speaker and consultant. Ice Cream Social 6:30 pm
Connecticut Rose Society Meetings at the The Congregational Church of Plainville are free and open to the public unless noted. Doors open at 1:30
  • April 9 (Sun) Annual Auction
Ecological Landscaping Alliance 841 Worcester Road #326, Natick, MA 01760
Elizabeth Park Prospect Avenue and Asylum Avenue, West Hartford, CT 06117
Call 860.231.9443 or visit
Elizabeth Park is America's oldest municipal Rose Garden and is listed on the National Register of Historic Places. It is located in Hartford, on the West Hartford border. They have many gardens in addition to the 15,000 rose bush garden: a bulb garden, annual garden, perennial sun garden and perennial shade garden. The Herb Society, Dahlia Society, Hosta Society and Iris Society have display gardens as well. Events are free unless noted.
  • March 24-31 (Fri-Fri) Note date change Spring Greenhouse Show. Hours are Friday-Sunday 10-5 and Monday-Thursday 9-3. Free and open to the public.
  • March 29 (Wed) 9:30 am (Note date change) Guided tour of the Spring Greenhouse Show with Bob Prill. There's also coffee reception in the Cottage before or after your tour between 9 and 11 am. Free and open to the public. RSVP requested at or by calling (860) 231-9443, ext 101
  • April 11 (Tues) 12 to 2 pm Two Very Different Gardens: A Mountain Landscape and a Rural Farm with Martha Stewart at the Hartford Golf Club. Luncheon, lecture and book signing. $150
Ganim's Garden Center & Florist 320 Kings Highway Cutoff, Fairfield, CT 06824
Call 203.333.5662 or visit
  • April 1 (Sat) 11 am to 1 pm (NEW DATE) That Garden Guy's Spring Garden Workshop with Lee Ganim. Bring questions, spring thoughts and your appetite! $30. PRSVP online or by calling (203) 333-5662.
The Garden Conservancy Open Days Program Self-guided tours of hundreds of private gardens from coast to coast. Many are rarely, if ever, open to the public. In Connecticut, Open Days usually run from May to October. For a schedule with info on gardens visit . You can sort the schedule by state. Admission to most gardens is $5 per person; children 12 and under are free. Open Days are rain or shine events and no reservations are required. Open Days in Connecticut run from May until October but keep in mind that there are Open Days at nearby gardens in Massachusetts, New York and Rhode Island.
Garden Education Center of Greenwich 130 Bible St., Cos Cob, CT 06807
Call 203.869.9242 or visit
Registration required.
  • March 1-3 (Wed-Fri) 10 am to 3:30 pm Gardener's Tag Sale
  • April 19 (Wed) 10 am Container Workshop in the Greenhouse. Materials fee.
Gilbertie's Herb Gardens 7 Sylvan Lane, Westport, CT 06880
Visit or call (203) 227-4175 to register.
Goodwin Forest & Conservation Education Center 23 Potter Road, Hampton, CT 06247
Registration is requested for most programs. For more information, or to register, call (860) 455-9534.
Hardy Plant Society, Conn. Chapter For more information, contact Leslie Shields at (860) 747-8175 or or visit
Meetings are held on Wednesday at the Solomon Welles House in Wethersfield. A coffee hour, starting at 7 pm, precedes meetings. The public is welcome. $10 suggested donation for non-members.
  • April 26 (Wed) 7:30 pm Foraging in Your Yard with Terri Cusson.
Hollister House Garden 300 Nettleton Hollow Road, Washington, CT 06793
Visit, email or call 860.868.2200.
The non-profit garden opens Saturday, April 30 and will be open every Saturday through the month of September. Hours vary with season. A classic garden in the English manner, with a loosely formal structure, informally planted in generous abundance, situated in the Litchfield Hills of northwestern Connecticut. Check the website for hours. There is a requested $5 donation. Group visits are welcome by appointment.
Natureworks 518 Forest Road (Route 22), Northford, CT 06472
Call 203.484.2748, email or visit
Natureworks hosts a variety of workshops, walks and classes. Free unless noted otherwise. Visit their website for details. You can register and pay at

The following classes are all held at Zion Episcopal Church in North Branford.

  • April 1 (Sat) 10 am to 12 pm Overcoming Your Fear of Pruning - Basic Principles & Practices. $20. Followed by a pruning demo at Natureworks.
New Canaan Nature Center 144 Oeneke Road, New Canaan, CT 06840
Call 203.966.9577 or visit
  • March 30 (Thurs) 9 am to 4 pm Landscaping with Perennials with Richard Rosiello. $139/$155. Call the New York Botanical Garden at (800) 322-6924 or go to
  • April 8 (Sat) 10:30 am to 1:30 pm Residential Garden Design Primer with Sheri Forster. $55/$59. Call the New York Botanical Garden at (800) 322-6924 or go to
  • April 18 - May 9 (Tuesdays) 10 am to 1 pm Fundamentals of Gardening with Michael Ruggiero. $295/$325. Call the New York Botanical Garden at (800) 322-6924 or go to
  • April 22 & 29 (Saturday) 10 am to 2:30 pm Container Gardening with Richard Rosiello. $229/$249. Call the New York Botanical Garden at (800) 322-6924 or go to
New England Wildflower Society 180 Hemenway Road, Framingham, MA 01701.
Call (508) 877-7630 or visit
A great variety of classes, courses and field trips are offered for adults throughout New England. Pre-registration required for most courses. Contact the registrar at extension 3303 for more details.
The New York Botanical Garden 2900 Southern Blvd., Bronx, NY 10458-5126
For class information, call Adult Education at 800.322.6924 (NYBG), email or visit
  • March 30 (Thurs) 10 to 11:30 am Gardening at Great Dixter with Aaron Bertelsen. $32/$35
  • March 31 & April 7 (Fri) 10 am to 2:30 pm Healthy Garden Ecosystems with Kim Eierman. $155/$169
  • April 29 & 30 (Sat & Sun) Daffodil Celebration & Wine Weekend
Nutmeg State Orchid Society
Meetings at Farmington Senior Center, Unionville. First meeting free. $10 to join.
O'Brien Nurserymen 40 Wells Road, Granby, CT 06035
Hours 10-5 only on the days listed or by appointment. Call 860.653.0163 or visit
  • April 7-9 (Fri-Sun) 10 am to 5 pm Hellebores in Bloom
  • April 21-23 (Fri-Sun) 10 am to 5 pm Rhododendron 'April Mist,' a Gus Melquist hybrid
  • April 28-30 (Fri-Sun) 10 am to 5 pm Yellow Magnolias
The Organic Gardening Workshop 484 Riverside Ave., Westport, CT 06880
*Private classes and consultations are available. For info, call (203) 227-4715, email or got to
Rhododendron Society of Connecticut CAES Valley Lab, 153 Cook Hill Road, Windsor, CT 06095
Meetings are free and open to the public. Doors open at 7 pm. For more information, visit
Tower Hill Botanic Garden 11 French Drive, Boylston, MA 01505-0598
UConn Extension Garden Master Classes are open to the public. For info and registration, visit and check out the latest course catalog.
  • March 27 (Mon) 1 to 3 pm Raspberry Cultivation with Mary Concklin at Auerfarm in Bloomfield. $40/$50. Deadline March 13.
  • March 30 (Thurs) 6 to 8 pm Composting with Worms with Gail Kalison Reynolds at Middlesex County Extension Center in Haddam. $40/$50. Deadline March 16.
  • April 1 (Sat) 10 am to 12 pm Terrariums and You with Tovah Martin at Litchfield County Extension Center in Torrington. $40/$50. Deadline March 18.
  • April 4 (Tues) 1 to 3 pm Herbs with Carole Barber at Fairfield County Extension Center in Bethel. $40/$50. Deadline March 21.
  • April 28 (Fri) 1 to 3 pm Ethnobotany with Prof. Manuel Lizarralde at Middlesex County Extension Center in Haddam. $40/$50. Deadline April 14.
  • April 29 (Sat) 10 am to 1 pm Enhancing Your Backyard Habitat for Wildlife with Peter Picone at Sessions Woods in Burlington. $60/$70. Deadline April 15.
URI Outreach Center 3 East Alumni Ave., University of Rhode Island, Kingston, RI 02881
(401) 874-2900,,
Van Wilgen's Garden Center 51 Valley Road (off Route 139), North Branford, CT
Call 203.488.2110, ext. 0, email or visit
Pre-registration is appreciated.
White Flower Farm 167 Litchfield Road, Morris, CT 06763
Store events start at 10 am and take place in the Farm's lecture room located in the upper parking lot. For more info, or to register, call (860) 567-8789 or go to
  • April 8 (Sat) 10 am What's New in Plants for 2017. Afterward, come down to the store for refreshments and shop for lily bulbs and seasonal plants. Reservations appreciated.
  • April 22 (Sat) 10 am Trees: How to Choose, Plant & Care for Them - Talk & Walking Tour. Wear walking shoes as we'll go on a tour of the specimen trees located on the property. Reservations appreciated.
Woodland Gardens 168 Woodland St., Manchester, CT 06042
Call 860.643.8474, email or visit for a class schedule or to register. Advance registration is required only where noted.
Yale Peabody Museum 170 Whitney Ave., New Haven, CT
For information on events or programs, call (203) 432-3776, email or visit
TO AVOID POTENTIAL DISAPPOINTMENT, PLEASE CALL AHEAD TO CONFIRM DETAILS. This calendar is a FREE service to the gardening community. We do our best to be accurate but events can change and errors occasionally creep in for one reason or another.