The deadline for submission of calendar items for our print editions in 2026:
Winter ’26-’27 Issue: October 6 deadline. Submit to editor@conngardener.com. This issue’s live content spans from late November 2026 through March 1, 2027.
Calendar Updated October 8, 2026
• Oct. 9-10 (Fri-Sun)
Riverton Fair – rivertonfair.org
• Oct. 10 & 11 (Sat & Sun) 9:00 am
CT Garlic & Harvest Festival at the Bethlehem Fairgrounds. $10. garlicfestct.com
• Oct. 24 (Sat) 9:00 am to 4:00 pm
Gardening for ALL Ages symposium. Rebecca McMackin, Christine Darnell, Jennifer McGuinness and a panel moderated by Jim Sirch. Courtyard by Marriott, 4 Sebethe Drive, Cromwell. Registration categories $40–$125; confirm applicable rate. cthort.org
• Oct 27 (Tue) 10:00 am to 12:30 pm
Orchard Valley Garden Club, Southington
Plant Geeks and Oddball Plants with Adam Wheeler. American Legion, 64 Main Street; $5 guests. orchardvalleygardenclub.weebly.com
• Oct. 28 (Wed) 9:00 am to 5:00 pm
Connecticut Invasive Plant Working Group (CIPWG) Invasive Plant Symposium: From Awareness to Action: Strengthening Our Response to Invasive Plants, at the UConn Student Union, 2110 Hillside Road. $90 general / $40 students, with recording access; recording-only option $80. Register by Oct. 13; no walk-ins. Contact: Alyssa.Siegel-Miles@uconn.edu. cipwg.uconn.edu
VENUES WITH MULTIPLE EVENTS
See above for selected individual events, which appear in the listings below along with other individual events.
American Horticultural Society | Alexandria, Va
ahsgardening.org
Online, except the Bedrock Gardens tour in Lee, N.H. Registration and individual program prices are available through AHS LIVE.
• Oct. 8 (Thurs) 2:00–3:00 pm Tree Conservation in the Americas with Dr. Silvia Alvarez-Clare.
• Oct. 15 (Thurs) 2:00–3:00 pm Horticulture and History in the Public Realm with Eric Groft.
• Oct. 23 (Fri) 11:00 am–noon Ecologies of Memory: Landscapes as Story Networks with Sara Zewde.
• Oct. 29 (Thurs) 2:00–3:00 pm Thomas Jefferson’s Gardening Legacy with Peggy Cornett.
• Nov. 5 (Thurs) 2:00–3:00 pm The Living Plant Museum with Paige Tailyn.
• Nov. 12 (Thurs) 2:00–3:00 pm Native Sedges and Grasses with Shannon Currey.
• Nov. 20 (Fri) 2:00–3:00 pm Mastering the Art of Vegetable Gardening with Matt Mattus.
Arnold Arboretum | Boston, Mass.
arboretum.harvard.edu
Programs below are free; register online. Waitlist status may change.
• Oct. 17 (Sat) 10:00–11:30 am Oak Collection Tour with Paul Eldrenkamp. Centre Street Gate.
• Oct. 17 (Sat) 1:00–2:30 pm Explorers Garden Tour with Marie Herbert. Centre Street Gate.
• Oct. 24 and Nov. 7 (Sat) 11:00 am–12:30 pm Autumn in the Arboretum with Vicki Amalfitano. Hunnewell Building; Oct. 24 waitlisted.
• Oct. 31 (Sat) 2:00–3:30 pm Peters Hill Tour with Paul Eldrenkamp. Poplar Gate.
Aspetuck Land Trust | Westport
aspetucklandtrust.org
• Oct. 22 (Thurs) 7:00–8:30 pm Haskins Lecture with Joan Maloof on Forty Ways to Know a Tree. Westport Library; free, register online.
Aton Forest | Norfolk
atonforest.org
Bartlett Arboretum & Gardens | Stamford
Call (203) 322-6791 or go to bartlettarboretum.org
• Oct. 15 (Thurs) 10:00–11:00 am Third Thursday Walks and Talks at the Bartlett. Master Gardener-led walk focused on fall foliage and nut trees. Free for members / $10 nonmembers. :
• Nov. 19 (Thurs) Third Thursday Walks and Talks at the Bartlett. Third Thursday Walks and Talks. Guided seasonal plant walks with Master Gardeners. Free for members / $10 nonmembers.
• Nov. 21 (Sat) 10:00 am–12:30 pm Cutting Propagation Workshop for the Home Gardener with Adam Wheeler of Broken Arrow Nursery. Hands-on class on taking cuttings, rooting conditions and aftercare.
• Nov. 28 (Sat) Birding at the Bartlett. Late-autumn bird walk as fall color fades and winter birdlife begins settling in. Time/cost: check Bartlett
Berkshire Botanical Garden | Stockbridge, Mass.
Call (413) 298-3926, email info@berkshirebotanical.org or go to berkshirebotanical.org
• Through Oct. 31, daily 9:00 am–5:00 pm Garden open for fall visits. Regular admission.
• Oct. 6-27 (Tue) 5:30-8:30 pm
Understanding Woody Plants with Jenna O’Brien. $230/$260
Oct. 8-29 (Thurs) 5:30-8:30 pm
New England Native Plant Design with Bridghe McCracken. $230/$260
• Oct. 10–11 (Sat–Sun) 10:00 am–5:00 pm
Annual Harvest Festival. Plant sale, regional food, family activities, and agricultural/botanical garden programming. $15 adults at gate; children 12 and under free.
• Oct. 17 (Sat) 10:00 am to noon
Fall Plant Walk with Alex Klein. $30/$45
• Oct. 24 (Sat) 10:00-11:30 am
Gardening for Biodiversity with Native Plants: Providing Habitat for Pollinators, Birds, and Other Essential Wildlife with Amy Meltzer. $30/$45
• Oct. 24 (Sat) 10:00–11:00 am Goodnight Garden family workshop. Seasonal garden care; free with garden admission.
• Nov. 1 (Sun) 11:00 am to 4:00 pm: Rooted in Place: The Living Forest. Symposium on forest ecology, climate, tree health and stewardship, with speakers including Ali Kosiba, Tom Worthley and Tom Wessels. Held at Berkshire Waldorf High School, 6 Main St., Stockbridge. Optional boxed lunch $15; symposium registration is separate. $100 members / $130 nonmembers (as listed on the website).
• Nov. 7 (Sat) 9:30 am–3:30 pm Invasives: Plants and Insects with Jen Werner. Identification, pest life cycles, prevention and management. Part of the Advanced Certificate in Horticulture and Design; some prior landscape-design knowledge required
• Nov. 7 (Sat) 10:00–11:00 am Garlic planting family workshop in the Camp Garden. Free for members / $10 nonmembers.
• Nov. 10–Dec. 1 (Tues) 5:30–8:30 pm Plant Health Care with Jen Werner. Recognize stress, insects and diseases and develop management approaches.
Blithewold Mansion, Gardens & Arboretum | Bristol, Rhode Island
blithewold.org
101 Ferry Road. Registration required. Contact: 401-253-2707.
• Oct. 11 (Sun) 10:00 am–noon Bonsai Beyond Essentials: Level 3. Cold-hardy bonsai care, including overwintering, repotting and pruning; tree and materials included. Adult workshop. $65 members / $75 nonmembers.
• Oct. 15 (Thurs) 5:00–6:00 pm Sunset Garden Tour. Guided evening exploration of the grounds. $25 members / $35 nonmembers.
• Bonsai Society of Greater Hartford | West Hartford
https://hartfordbonsai.com
Meetings at Westmoor Park in West Hartford are open to the public.
• Oct 19 (Mon) 10:00 am to 4:00 pm Club Show. Open to the public.
• Nov. 16 (Mon) 7:00–9:30 pm Monthly meeting. Open to the public.
Bonsai Society of Greater New Haven | New Haven
www.BonsaiNewHaven.com
Regular meetings are held in the Carriage House at Edgerton Park, off Whitney Avenue, in New Haven on the second Tuesday of each month. They begin at 7 PM and usually last about 2 hours.
Broken Arrow Nursery | Hamden
Call (203) 288-1026 or visit brokenarrownursery.com
Brooklyn Botanic Garden – Brooklyn, NY
bbg.org
• Oct. 13–Nov. 24 (Tues, except Nov. 3) 5:00–8:00 pm Soil Management. Soil properties, fertility and cultivation. In-person course; waitlist.
• Oct. 17 (Sat) 1:00–4:00 pm and Oct. 18 (Sun) 2:00–5:00 pm Wild Seed Collecting with Lisa Bloodgood. First session at BBG, followed by a field session. $136 / $152.
• Oct. 18 OR 25 (Sun) 2:00–4:00 pm Putting Your Garden to Bed for Winter with Sara Epstein. Autumn garden tasks; $45 / $50.
• Oct. 20–Dec. 15 (Tues, except Nov. 3) 6:00–9:00 pm Botany for Horticulturists. Plant structure and function for gardeners. $496 / $549; waitlist.
• Oct. 31 (Sat) 10:00 am–1:00 pm Houseplants with Michael Brown. Indoor plant cultivation; $79 / $86.
• Nov. 4–Dec. 16 (Wed, except Nov. 11) 6:00–9:00 pm Plant Propagation with Patrick Austin. Seed and vegetative methods; $384 / $421, waitlist.
• Nov. 9, 16, 23, 30 and Dec. 7, 21 (Mon) 6:00–8:30 pm online; Nov. 21 (Sat) 10:00 am–12:30 pm at BBG Urban Garden Design with Kimberly Tryba. Planning gardens for city settings; $371 / $407, waitlist.
Coastal Maine Botanical Gardens – Boothbay, Maine
www.mainegardens.org
• Oct. 16 (Fri) 2:30–3:30 pm Homeschool Harvest Day. Plant-part and harvest activities for ages 4–10.
• Oct. 23 (Fri) 9:30 am–3:00 pm online; Oct. 31–Nov. 1 (Sat–Sun) 9:30 am–3:00 pm in person Ecological Landscape Design. Multi-session course combining online learning and work at the gardens.
CT Agricultural Experiment Station | Griswold, Hamden, New Haven & Windsor
portal.ct.gov/caes
Seminar Series held in the Jones Auditorium at the CAES facility in New Haven from 12:00-1:00 pm. Free and open to the public.
CT Audubon Society
ctaudubon.org
• Sept. 1-Oct. 31 Bird Friendly Fall 2026. Statewide programming for fall migration. See website for details.
CT Botanical Society | New Haven
ct-botanical-society.org
The society conducts a number of field trips which non-members are welcome to join.
CT Butterly Association | Washington Depot
ctbutterfly.org
Fields trips are free and open to the public. Also check their Facebook page at www.facebook.com/connbutterfly
CT Cactus & Succulent Society
www.ctcactussociety.org
CT College Arboretum | New London
Call (860) 439-5020, email arbor@conncoll.edu or visit conncoll.edu/the-arboretum
• Oct. 11 (Sun) 10:00 am
Free guided tour of the Caroline Black Garden
• Oct. 18 (Sun) 10:00 am Campus Tree Collection tour. Meet near the New London Hall greenhouse and blue sculpture; free, register. Approximately 1–1½ hours.
Connecticut Conservation Districts
conservect.org
CT Daffodil Society | Greenwich
www.connecticutdaffodilsociety.org
CT Daylily Society | Avon
ctdaylilyclub.com
Meetings at the Avon Senior Center (Sycamore Hills Rec Center) are free and open to the public. They start around 12:30 for socializing and light refreshments. Speakers usually start around 1 pm.
Connecticut Forest & Park Association | Rockfall
ctwoodlands.org
• Oct. 24 (Sat) 10:00 am–noon The Extraordinary Caterpillar film program. Learn about caterpillars and their ecological roles at Durham Community Center, 144 Pickett Lane. Free; RSVP.
CT Horticultural Society | West Hartford
Call (860) 529-8713, email connhort@gmail.com or go to cthort.org
Regular meetings are held at the Congregation Beth Israel in West Hartford. Non-members $10.
• Oct. 15 (Thurs) 7:00–8:30 pm Digging Deeper into Ecological Horticulture with Uli Lorimer. Congregation Beth Israel, 701 Farmington Avenue, West Hartford, and Zoom. Free members / $10 guests.
Oct. 24 (Sat) 9-4 pm Gardening for ALL Ages symposium. Rebecca McMackin, Christine Darnell, Jennifer McGuinness and a panel moderated by Jim Sirch. Courtyard by Marriott, 4 Sebethe Drive, Cromwell. Registration categories $40–$125; confirm applicable rate.
• Nov. 19 (Thurs) 7:00–8:30 pm Gardening Like the Forest: Designing Edible Ecosystems for Homes and Communities with David Jacke. On Zoom and in person at Congregation Beth Israel, West Hartford. Members free / nonmembers $10.
CT Master Gardener Association (CMGA) | Farmington
ctmga.org
• Oct. 21 (Wed) 7:00–8:00 pm Biophilic Decorating: Bringing the Garden Indoors with Anne Meore. Incorporating plants and natural elements into indoor spaces. Guests $10; registration required.
• Nov. 14 (Sat) 10:00–11:00 am Gardening Under the Stars: Saving Our Nocturnal Pollinators and Our Health with Margery Winters. Presentation follows the 9:00–10:00 am annual meeting. Guests welcome, $10; registration opens in October
CT NOFA | New Haven
https://ctnofa.org and https://nofa.organiclandcare.net
• Oct. 13–24 Microscopy Training at Auerfarm, 158 Auer Farm Road, Bloomfield. Soil and compost microscopy, sample preparation and organisms. $675; register. Individual meeting dates and hours require confirmation.
Nov. 1 – Dec. 15
Online Accreditation Course in Organic Land Care. $500
CT Nursery & Landscape Association (CNLA) | Bloomfield
www.cnla.biz
The Connecticut Orchid Society | Farmington
ctorchids.org
• Oct. 10–11 (Sat–Sun); Sat noon–5:00 pm, Sun 10:00 am–4:00 pm Orchid Harvest 2026 Show and Sale. Orchid displays, vendors and educational seminars at the Sheraton Hartford South, 100 Capital Blvd. $8 advance / $10 at the door.
Connecticut Rhododendron Society
ctrhododendronsociety.org
www.facebook.com/RhododendronSocietyOfConnecticut
Cricket Hill Garden | Thomaston
treepeony.com
• Oct. 17 (Sat) 10:00 am–noon Fall Edible Landscaping Walk with Dan Furman. Explore edible plants in the autumn landscape. $15; registration required.
• Oct. 16 (Fri) 4:00 pm The World of Peonies at the Westbrook Public Library.
Daytime Gardeners of North Haven | North Haven
ctgardenclubs.org
Recreation Center, 7 Linsley Street. $5 guests.
• Nov. 17 (Tues) 11:00 am–noon Growing Annuals from Seed with Felicia Millett.
EarthTones Native Plant Nursery & Landscapes | Woodbury
www.earthtonesnatives.com
Ecological Landscape Alliance | Sandown, N.H.
ecolandscaping.org
Elizabeth Park Conservancy | West Hartford
elizabethparkct.org
1561 Asylum Avenue. Check the website for registration and any event fee. Contact: 860-231-9443.
• Oct. 7 (Wed) 10:00 am–noon Tree Tour with John Kehoe. Guided exploration of the park’s trees; confirm registration and fee.
The Farmer’s Daughter – South Kingston, RI
www.thefarmersdaughterri.com
Federated Garden Clubs of CT | Branford
ctgardenclubs.org
Ganim’s Garden Center & Florist | Fairfield
GanimsGardenCenter.com
The Garden Conservancy
gardenconservancy.org
There is an admission fee at each garden of $10 per person at each garden payable online when pre-registering. Children 12 and under are admitted free of charge. Check their website to confirm hours.
• Oct. 10 (Sat) 10-4
Kentford Farm in Stonington
• Oct. 10 (Sat) 10:00 am–4:00 pm Hollengold Farm Open Day, Accord, NY. Garden visit; $10 nonmembers.
• Oct. 10 (Sat) Unusual Edibles, Stone Ridge, N.Y. Garden program; date confirmed, hours and admission require confirmation.
• Oct. 24 & 25 (Sat & Sun) 1-5
The Brine Garden (Duncan & Julia Brine) in Pawling, NY
Oct. 31 (Sat) 10:00 am–noon Manitoga: Power of Place, Garrison, NY. Landscape exploration; $30 members / $40 nonmembers.
Goodwin Forest | Hampton
friendsofgoodwinforest.org
Greenwich Botanical Center | Cos Cob
Call (203) 869-9242 or go to greenwichbotanicalcenter.org
• Oct. 17 (Sat) 10:00 am–1:00 pm Planting Natives for Fall & Winter Interest & Ecology with Kim Eierman. $55 members / $70 nonmembers.
• Oct. 20 (Tues) 10:30–11:30 am Backyard Composting 101 with Waste Free Greenwich. Free members / $10 nonmembers.
• Oct. 21 (Wed) 10:00–11:30 am Fall Garlic & Shallot Planting. Plant now for a later harvest; $20 members / $25 nonmembers.
• Oct. 22 (Thurs) 6:30 pm Healing Herb Garden with Sara Englis. Talk about culinary herbs and their uses. $20 members / $25 nonmembers
• Nov. 3 (Tues) Preparing Dahlia Beds for Winter, in partnership with Greenwich Dahlia Society. Check GBC for time/cost.
• Nov. 4 (Wed) 10:30–11:30 am Bulb Lasagna container workshop with Sandy Lindh. Layer bulbs for successive bloom; $70 members / $85 nonmembers per container.
• Nov. 5 (Thurs) 6:30 pm arrival, 7:00 pm talk The Light Eaters with Zoë Schlanger. Plant-science author program; $25 members and educators / $35 nonmembers.
• Nov. 6 (Fri) 3:00–5:00 pm The Great Pumpkin Rescue. Drop in to build a worm compost habitat; free members / $10 nonmembers.
• Nov. 7 (Sat) 11:00 am–noon Dividing Peonies & Fall Perennial Care with Emily Hammond. $15 members / $25 nonmembers.
• Nov. 11–12 (Wed–Thurs) 10:00 am–4:00 pm Paperwhites & Amaryllis walk-up bulb bar. Five paperwhite bulbs $7; amaryllis prices vary; members receive 20% off.
Grow Native Massachusetts | Wellfleet, Mass.
grownativemass.org
• Oct. 17 (Sat) 10:00 am-3:00 pm
First Annual Fall Plant Market, 7 Harrington Road, Lexington MA. Native plant market with local growers, outreach tables
• Oct. 27 (Tues) 7:00–8:15 pm Rights of Nature and Wetlands with Gillian Davies. Online ecology program; confirm fee and registration.
The Hickories | Ridgefield
thehickories.org
Highstead | Redding
https://highstead.net
• Nov. 5 (Thurs), full day RCP Network Gathering at UMass Amherst. Education on collaborative landscape conservation, biodiversity and food systems. Free; register by Oct. 26. Confirm arrival time and room with registration.
Hollandia | Bethel, CT
hollandianurseries.com
Hollister House Garden | Washington
Wednesday & Friday 1-4 and Saturday 10-4. Admission $10 (children under 12 free)
hollisterhousegarden.org
Horticultural Alliance of the Hamptons – Bridgehampton, NY
https://hahgarden.org
Lectures are held at the Bridgehampton Community House. Non-members $10
• Oct. 18 (Sun) 2:00 pm Seeding Ecosystems of the Future with Dr. Eve Beaury.
• Nov. 15 (Sun) 2:00 pm The Gibson Method: Reimagining Topiary as Living Art with Michael Gibson.
Leete’s Island Garden Club | Guilford
ctgardenclubs.org
Nathanael Greene Community Center, 32 Church Street. Free; limited seating, register at kayclaiborn@comcast.net. Contact: 203-453-0780.
• Nov. 10 (Tues) 12:30–2:30 pm Gardening for Frogs with Jim Sirch. Creating habitat for amphibians; Faulkner Room.
Logee’s | Danielson
logees.com
Mad Gardeners | Sherman, CT
https://www.madgardeners.org
Manchester Garden Club – Manchester
manchestergardenclubs.org
Massachusetts Horticultural Society – Wellesley, MA
www.masshort.org
• Nov. 14 (Sat) 10:00–11:30 am OR noon–1:30 pm Seasonal Pruning: Dormant Pruning. Workshop at the Garden at Elm Bank on pruning during dormancy, including structure and plant health. Listed prices $38 / $50; confirm the applicable rate when registering.
Massachusetts Nursery & Landscape Assn. | Conway, Mass.
mnla.com
National Garden Bureau | Downers Grove, Illinois
Call (630) 963-0770 or visit ngb.org
Webinars are free and open to the public.
Native Plant Trust | Framingham, Mass.
Call (508) 877-7630 or visit nativeplanttrust.org
Advance registration required. Garden in the Woods is at 180 Hemenway Road.
• Oct. 14 (Wed) Foundations of a Four-Season Garden. Online design program
• Oct. 16 and Oct. 17, 10:30 am–4:30 pm Framework Trees of New England. Study the composition and history of northeastern forests. Garden in the Woods, Framingham, MA. $300; register.
• Oct. 24 (Sat) Residential landscape study in West Roxbury, Mass. Fall garden field visit; address, time and fee require confirmation.
• Nov. 5 (Thurs) Lunch & Learn on plant names. Online
• Nov. 10, 5:30–6:30 pm Leave the Leaves, Save the Stems. Fall garden care that protects overwintering wildlife. Online. $25; register.
• Nov. 11 and 18, 5:30–6:30 pm Evolution of Green Plants. Evidence for the evolution of major plant groups. Online. $40; register.
• Nov. 14 (Sat) 1:00–3:00 pm Herbarium tour at Garden in the Woods. Explore the scientific plant collection and digitization work. $25; register.
• Nov. 17, 5:30–6:30 pm The Ecology of Atlantic White Cedar Swamps. Wetland ecology, peat and conservation. Online. $25; register.
• Nov. 19 (Thurs) Site Preparation for Landscape Transformation. Online horticulture/gardening class. Check Native Plant Trust registration for time and cost.
Natureworks Garden Center | Northford
Call (203) 484-2748 or go to natureworksgardencenter.com
New Canaan Nature Center | New Canaan
newcanaannature.org
New Directions in the American Landscape (NDAL) | Glenside, PA
ndal.org
Register through NDAL. Online times Eastern.
• Oct. 20 (Tues) 3:00–3:45 pm Living Systems, Real Futures with Sara Weaner Cooper. Ecological and cultural education; free webinar.
• Nov. 17 (Tues) 3:00–3:45 pm At Home with Nature with Larry Weaner. Ecological residential landscapes; free webinar.
• Nov. 18 (Wed) 3:00–4:15 pm From Lawn to Meadow with Larry Weaner and Sara Weaner Cooper. Practical conversion approaches; online, $38.
New England Bonsai Gardens | Bellingham, Mass.
nebonsai.com
New England Botanic Garden at Tower Hill | Boylston, Mass
nebg.org
• Oct. 23–25 (Fri–Sun)
Garden Club Federation of Massachusetts Show. Horticultural exhibits and education; floral design included. Check event page for hours and admission details.
New England Daylily Society | Massachusetts
nedaylily.org
Meetings are held at the Boylston Town House in Boylston, Mass.
• Nov. 14 (Sat) Program with Jana Milbocker at Boylston Town House. Free; topic, meeting time and registration details to be confirmed.
Newtown Hort Club – Newtown
newtownhorticultureclub.blogspot.com
New York Botanical Garden | Bronx, NY
nybg.org
Advance enrollment required. In-person classes at 2900 Southern Boulevard. Prices are member / nonmember. Full course spans are stated for registration purposes.
• Oct. 13–27 (Tues) 6:00–8:00 pm Basic Plant ID with Luke Sparreo. Online plant terminology and identification; $166 / $184.
• Oct. 13–Nov. 17 (Tues, except Nov. 3) 10:00 am–1:00 pm OR Oct. 18–Nov. 15 (Sun) 2:00–5:00 pm Fall Trees and Shrubs. In-person identification and landscape uses; $340 / $372. A blended Oct. 7–28 session is also listed, with online meetings 6:00–8:00 pm; confirm its field schedule and fee.
• Oct. 13 and 27 (Tues) 6:30–7:30 pm Landscape Design Portfolios lectures with Maura Rockcastle (Oct. 13) and Douglas Hoerr (Oct. 27). Online; prices and third-series date require confirmation.
• Oct. 14–Dec. 9 (Wed) 6:00–8:00 pm OR Oct. 26–Dec. 21 (Mon) 10:30 am–12:30 pm Introduction to Plant Science. Online study of plant groups and structure. Monday course $524 / $578; confirm Wednesday rate.
• Oct. 15 (Thurs) 11:00 am Fall Foraging Walk with Journei Bimwala. In person; $66 / $73; rain date Oct. 22. Published end times conflict (1:00 and 2:00 pm); confirm.
• Oct. 15–Nov. 5 (Thurs) 6:00–9:00 pm Fall Bats with Ryan Mahoney. In-person course on seasonal bat ecology; $220 / $276.
• Oct. 16 (Fri) 10:00 am–4:00 pm Science Open House. Meet researchers and explore botanical science; activities included with garden admission, tours subject to space.
• Oct. 16 (Fri) 10:30 am–12:30 pm Native Groundcovers. In person; enrollment and fee require confirmation.
• Oct. 16–Nov. 13 (Fri) 10:30 am–12:45 pm Landscape Plants: Broadleaved Evergreens with Vincent Simeone. At NYBG. Cultural requirements, ID features and uses of broadleaved evergreens, including Ilex, Rhododendron, Buxus and evergreen groundcovers. In person; $254 / $281.
• Oct. 17–Nov. 21 (Sat) 10:00 am–12:40 pm Plants for Landscaping with Valerie D’Antonio. In-person regional plant selection; $454 / $508.
• Oct. 17 (Sat) start Tree Climbing for Arborists (10:00 am–3:30 pm) and Invasive Weed Identification and Management (1:00–4:00 pm). In-person courses; full schedules and fees require confirmation.
• Oct. 18–Nov. 15 (Sun) 10:00 am–1:00 pm Late-Season Perennials and Grasses with Timothy Nolan. Identification and garden uses; in person, $340 / $372.
• Oct. 19–Dec. 14 (Mon) 6:00–9:00 pm Landscape Design History with Bunnell. Online; $639 / $710.
• Oct. 20 (Tues) start Plant Physiology (online, 6:00–9:00 pm) and Smart Garden Planning for Any Space (online, 6:00–8:00 pm). Full course dates and fees require confirmation.
• Oct. 21 (Wed) 10:00 am–1:00 pm The Hidden World of Lichens with Jeremy Howland. In person; $82 / $91.
• Oct. 21 (Wed) 10:30 am–1:30 pm start Disease Identification and Management. In person; full course schedule and fee require confirmation.
• Oct. 26 (Mon) 6:00–9:00 pm start Plant Structure. Online; full schedule and fee require confirmation.
• Oct. 28 (Wed) 6:00–8:00 pm Put Your Garden to Bed. Online seasonal garden care; price and enrollment require confirmation.
• Oct. 29 and Nov. 5 (Thurs) 10:00 am–2:30 pm Interior Plantscapes with Chris Raimondi. Indoor plant selection and care; in person, $281 / $302 including $40 materials fee. Bring required tools.
• Nov. 16–Dec. 7 (Mon) 6:00–9:00 pm Fundamentals of Gardening with Daryl Beyers. Online basic garden cultivation; confirm fee.
North American Rock Garden Society | Berkshire Chapter
berkshirechapternargs.org
Meetings of the Berkshire Chapter are held in the Education Center at the Berkshire Botanical Garden in Stockbridge, MA
• October 17 (Sat) 10:30 am
Officer Elections (morning) and NARGS Traveling Speaker TBD (morning & afternoon)
• Nov. 7 (Sat) 10:00 am gathering, 10:30 am business meeting, lecture follows Bill Noble discusses a plant collector’s choices in Right Plant, Wrong Place. Berkshire Botanical Garden Education Center. Confirm admission and luncheon arrangements
North American Rock Garden Society | New England Chapter
Littleton, Mass.
nargsne.org
• Oct. 18 (Sun) 10:30 am Growing Ferns in Zones 5–6 with Judith Jones, proprietor of Fancy Fronds Nursery, Reuben Hoar Library, 35 Shattuck Street. 11:00 am speaker program; bring lunch/beverage; afternoon program TBD.
• Nov. 14 (Sat) 10:30 am Annual Meeting; 1:00 pm Ellen Hornig and Rosemary Monahan present “Botanizing in Turkey’s Fabled Mountains,” Reuben Hoar Library, Littleton.
North Haven Garden Club | North Haven
ctgardenclubs.org
North Haven Congregational Church, 28 Church Street. $5 guest donation. Contact: 203-269-2653.
• Oct. 8 (Thurs) 7:00–9:00 pm Houseplants: Fears and Favorites with Felicia Millett. Growing plants indoors.
Nutmeg State Orchid Society | Farmington
nutmegorchids.org
Meetings at the Farmington Senior Center in Unionville are open to the public.
• Nov. 1 (Sun) 12:30–4:00 pm Monthly orchid meeting and show-and-tell, Farmington Senior Center, 321 New Britain Avenue, Unionville. Guests welcome; speaker and fee not confirmed.
O’Brien Nursery | Granby
obrienhosta.com
Garden Days run from 10 am to 5 pm only on the days listed.
• Oct. 9-11 (Fri-Sun)
End of the Season Hosta Sale
• Oct. 31 to Nov. 1 (Fri-Sun)
Amazing Fall Color of Japanese Maples, Ginkgo, Fothergilla, etc.
Oliver Nurseries | Fairfield
olivernurseries.com
Rhode Island Wild Plant Society | North Kingstown, RI
riwps.org
Registration required; donations welcomed. Contact: communications@riwps.org. Weather cancellations are sent to registrants.
• Oct. 8 (Thurs) 1:00–3:00 pm Common Invasive Species Walk at Canonchet Farm, Narragansett, with Tom Hoagland and Alan Woodmansee. Confirm registration and fee.
• Oct. 11 (Sun) 1:00–2:00 pm Powerful Plants in the Garden with Stephen Kiely. Using vigorous native species in ecological gardens. Powder Mill Ledges Wildlife Refuge, 12 Sanderson Road, Smithfield. $10 members / $15 nonmembers; advance registration required.
• Oct. 21 (Wed) 7:00–8:00 pm Bats in the Backyard with Bat Conservation International. Online program linking native plants, insects and bat habitat; free, register.
Rhododendron Society of CT | Windsor
ctrhododendronsociety.org
Suburban Garden Club of Cheshire | Cheshire
www.cheshiregardeners.org
Meetings are usually held at the Cheshire Senior Center at 7:00 pm. Guests $5
UConn Extension | Bethel, Farmington, Haddam, North Haven, Norwich, Torrington, Vernon & Windham
Garden Master Classes are open to the public. Visit https://tinyurl.com/ye254mfx for info and registration.
UMass Extension
Online
ag.umass.edu/landscape
• Oct. 27–Dec. 17 (Tues–Thurs afternoons) Green School 2026. Online 60+ hour certificate course with tracks in Landscape Management, Turf Management and Arboriculture. Classes generally 1:00–4:30 pm Eastern; mandatory online orientation Oct. 22, 4:00–5:30 pm. $1,399; register by Oct. 21 or until full.
Wallingford Garden Club | Wallingford
ctgardenclubs.org
First Congregational Church, 23 South Main Street. Calendar hours cover the meeting; confirm speaker start time. Individual event details could not be fully verified.
• Nov. 10 (Tues) 11:00 am–3:00 pm Moon Gardening with Donna Katsuranis. Garden program; $5 guests.
White Flower Farm | Morris
whiteflowerfarm.com
Store and display gardens open weather permitting, Thursday-Monday, 9:00-5:30. Closed Tuesdays and Wednesdays.
• Oct. 17 (Sat) 10:00 am
Dahlia Dig & Divide Workshop. Rain date Oct. 18. Free but registration is required.
White Memorial Conservation Center | Litchfield
whitememorialcc.org
Wild Ones – Mountain Laurel Chapter | New London
https://mountainlaurel.wildones.org/events/
• Oct. 9 (Fri) 5:00–6:00 pm Seed Harvesting 101 with Lydia Pan, Denison Pequotsepos Nature Center, 109 Pequotsepos Road, Stonington. $8.50 DPNC members / $10 nonmembers; register.
• Oct. 16 (Fri) 1:00–3:00 pm Native seed collecting at Coogan Farm, 162 Greenmanville Avenue, Stonington. $8.50 members / $10 nonmembers; register.
• Oct. 21 (Wed) 7:00–8:00 pm
Bats in the Backyard with Bat Conservation International. Habitat gardening, native plants, insects, and landscape design for bats. Free.
Wild Seed Project | North Yarmouth, Maine
wildseedproject.net
Online and Maine locations as listed. See individual event registration pages for admission details and availability.
• Oct. 9 (Fri) 6:30–8:00 pm The Buzz on Native Plants. Free outdoor documentary screening at Congress Square Park, Portland, Maine.
• Oct. 15 (Thurs) 6:00–7:00 pm October Member Q&A. Online native-plant discussion with Wild Seed Project staff; for current members.
• Oct. 17 (Sat) 10:00–11:30 am Native Plants for Pollinators: Planting and Maintenance Workshop at Tidewater Farm, Falmouth, Maine. Hands-on workshop.
• Oct. 20 (Tues) 2:30–4:30 pm Fall Four Season Walk at Crystal Spring Farm, Brunswick, Maine.
• Oct. 20 (Tues) 6:00–7:30 pm Who’s Nibbling in Your Garden? with Nancy Lawson. Online discussion of gardening with deer and other wildlife.
• Oct. 22 (Thurs) 3:00–4:30 pm Native Plant Gardening: Fall Planting at Woodward Point Preserve, Brunswick, Maine. Practical native-garden planting with Maine Coast Heritage Trust.
• Oct. 24 (Sat) 10:00–11:30 am Is This Plant Good or Bad? Asking Better Questions with Deborah Perkins. Consider plant choices, their ecological effects and suitable replacements. Fort Williams Park, Cape Elizabeth, Maine.
• Nov. 6 (Fri) 2:00–4:00 pm Backyard seed collecting at Fort Williams Park, Cape Elizabeth, Maine. Practical native-seed program; confirm fee and registration.
• Nov. 19 (Thurs) 6:00–7:30 pm Edible Natives in Your Backyard with Russ Cohen. Online introduction to native edible plants suitable for home landscapes.
Woodland Gardens | Manchester
https://woodlandgardensct.com
Calendar listings are free of charge but placement is not guaranteed. For consideration, email complete details to editor@conngardener.com. See top of page for deadlines.