GardenOntario

TRENTON HORTICULTURAL SOCIETY MAY MEETING ON BRANCH RANCH
2026-05-21 19:00 - 20:00 (America/Toronto) | BatawaCommunityCentre, 81 Plant St., Batawa, K0K 1E0
Find out the many products and services that the Branch Ranch offers to our local gardeners. They will have product for sale after the presentation. Mini flower show

Winona Horticultural Society Gardeners Cafe and Plant Exchange
2026-05-20 19:30 - 21:30 | St. John’s Anglican Church Hall, 1285 Highway 8, Stoney Creek, L8E 5K5
Join us on the 20th May for our first Gardeners Cafe. This is an evening of socializing, sharing our garden wins and fails, plans for the summer. Bring along pictures from last year to share.There’s also a Plant Exchange, bring any spare plants you have, if you have none, we’ll give you some to take away.Always free, everyone is welcome, accessible entrance.Wednesday 20th May 7:30pm
St. John’s Anglican Church Hall 1285 Hwy 8 (at Winona Road) Winona, ON L8E 5R1

Schomberg Horticultural Society – Kathleen Gorsline “Square Foot Gardening”
2026-05-19 19:00 - 21:30 | Schomberg CommunityHall, 325 Main Street, Schomberg, L0G1T0
“Square Foot Gardening” by Kathleen Gorsline. Kathleen is a Master Gardener and revered member of the Schomberg Horticultural Society (and superb curler) who will explain how we can grow wonderful food and flowers in a limited, organized and manageable space.
Doors open at 7pm – presentation starts at 7:30
Refreshments, flower show, door prizes
Free to members, $ 5.00 at the door for guests

Members Meeting
2026-05-19 19:00 - 21:00 | Smiths Falls Legion, 7 Main St E, Smiths Falls, K7A 1A1
Regular members meeting
Speaker: Judy Fine

Climate Wise Gardening with Deborah Pearson
2026-05-19 19:00 - 20:30 | Mount Albert Community Centre, 53 Main Street, Mount Albert, L0G 1M0, Canada
Tips and information about supporting a robust and sustainable yard and garden in an era of extreme weather conditions.

Russell & District: Guest speaker Judith Cox on Vegetables in all Situations
2026-05-18 19:00 - 21:00 | Marionville Community Centre, 4629 Gregoire Road, Marionville
Guest speaker Judith Cox will be at our regular monthly meeting to talk to us about growing vegetables in all situations.

Minden and District Horticultural Society Spring Plant Sale
2026-05-16 10:00 - 13:00 | 63 Bobcaygeon Rd Minden
Get ready for your gardens this spring and summer. Come to the Minden and District Horticultural Society Spring Plant Sale! We will have a variety of annuals and perennials to choose to get your garden season off to a great start. The sale will be located in the town of Minden, 63 Bobcaygeon Road.

Brampton Horticultural Society Annual Plant Sale
2026-05-16 09:00 - 13:00 | Brampton Curling Club, 46 McMurchy Avenue, Brampton, L6Y 1Y4
Annuals, perennials, herbs, vegetables and specialty plants. All locally grown. Great prices.
Silent auction and Garage sale

Russell & District: Plant Sale
2026-05-16 09:00 - 12:00 | Russell Fairgrounds, 1076 Concession Street, Russell, K4R 1A6
Annual plant sale.

Spring Plant Sale
2026-05-16 09:00 - 11:00 | St. Peter’s Anglican Church, 4333 Bath Road, Kingston, K7M 4Z1
Perennials, annuals, herbs, vegetables, tubers, houseplants – all grown lovingly by our members! Also plant pots, gardening books and other miscellaneous gardening needs. Selling at very reasonable prices.

Society Plant Sale
2026-05-16 08:00 - 13:00 | Guelph Farmers Market, 2 Gordon Street, Guelph, N1H4G7
Our annual Society Plant Sale is again at the Guelph Farmer’s Market. Come early – plants sell quickly

Smithville Garden Club Plant Sale
2026-05-16 08:00 - 12:00 | Farmtown Park, Stirling ON, 437 West Front Street, Stirling, K0K3E0
For a second time, we will be hosting our Annual Plant Sale at the Cairn Christian School located at 6470 Townline Road n Smithville. This year, we have a wonderful selection of 30 different native plants and 15 different varieties of heirloom tomatoes. There are also many hostas and other perennials, and small fruit plants.

Plant Sale
2026-05-16 08:00 - 12:00 | Eastern Star Temple 800 Fanshawe Park Rd, 800 Fanshawe Park Road East, London, N5X1L5
Hello fellow gardeners, Come and support our fundraiser for our society and meet fellow gardeners as well as find that special plant that’s waiting for you!

Annual Plant Sale
2026-05-16 08:00 - 12:00
Members dig from their personal gardens and donate shrubs, trees and perennial. Some also prepare annuals for this sale. This is open to the public and is well attended. It is held at the Palmer Park, often referred to as the Bandshell Park. It is located on the corner of Sydenham Street W. and Centre Street.

BRANTFORD GARDEN CLUB
2026-05-14 19:30 - 21:00 | Brantford Lions Park auditorium, 20 Edge Street, Brantford, -----
NATIVE PLANTS FOR BOULEVARD GARDENS BY SHAUN BOOTH

Wild Woodland Flowers: Can you grow them?
2026-05-14 19:00 - 21:00 | St. John’s Anglican Church Hall, 1285 Highway 8, Stoney Creek, L8E 5K5
𝓦𝓲𝓵𝓭 𝓦𝓸𝓸𝓭𝓵𝓪𝓷𝓭 𝓕𝓵𝓸𝔀𝓮𝓻𝓼: 𝓒𝓪𝓷 𝔂𝓸𝓾 𝓰𝓻𝓸𝔀 𝓽𝓱𝓮𝓶?

Aleksia Shoalts, Master Gardener Thursday, May 14, 2026 7:00 PM – 9:00 PM St. John the Evangelist Church Hall, 3428 Portage Road, Niagara Falls, ON

Guest Speaker Flower Show Refreshments Door & Draw Prizes

For a few short weeks in the spring of each year, the forest floor bursts with colour from ’Spring Ephemerals’ such as Trilliums, Trout lilies and Virginia Bluebells which quickly disappear as the tree canopies fill out. Join us for an evening as Aleksia explains the lifecycle of these amazing plants, as well as why they’re so difficult to grow and transplant.
Alexandria Shoalts is a Master Gardener, former garden columnist for the Voice of Pelham, and past executive member of both the Pelham Garden Club and Simcoe Horticultural Society. She enjoys the daily challenges and rewards of gardening on her country property in North Pelham, ranging from tackling invasives, to keeping out deer, to growing cut flowers, integrating native plants, gardening for butterflies, and growing food and vegetables for her family, including her three young boys (ages one, three, and five who are always eager to help!). Alexandria earned a Bachelor of Science degree at the University of Waterloo and completed her Master Gardener training at the University of Guelph. In her free time, she enjoys forest walks and foraging for wild mushrooms with her other half, explorer and nature author Adam Shoalts.

Nurturing Nature through Wildlife Supportive Gardens in Thorncliffe Park
2026-05-14 19:00 | Leaside Library, 165 McRae Drive, Leaside, M4G 1S8
Leaside Garden Society – Speaker Series presents:
Speaker: Najeeb Siddiqui and Michelle Delaney (Thorncliffe Park Urban Farmers)
Topic: Nurturing Nature through Wildlife Supportive Gardens in Thorncliffe Park
Date: Thursday May 14th, 2026
Time: 7:00 pm (6:30pm Refreshments)
Location: Leaside Library – 165 McRae Drive

Tulip Day Festival
2026-05-14 11:30 - 13:30
This is an annual event to celebrate the liberation of Holland in WWII. Our area has a number of people with Dutch heritage, some of whom will share their stories at this event. There is a BBQ, cake, artwork by the local high school, music and often airforce fly overs.

Thorndale - Floral Demonstrations
2026-05-13 19:30 - 21:30 | Thorndale Community Centre, 265 Upper Queen St, Thorndale, N0M2P0
Brenda Symns will be our presenter for the evening.
Brenda will be going some floral demonstrations.

Credit Valley Horticultural Society May Meeting
2026-05-13 19:00 - 21:30 | Erin Mills Twin Arena, Unity Drive 3205, Mississauga, Regional Municipality of Peel, L5L 4L5, Canada
Our May guest speaker is Mike Parrish. Mike will be speaking to us about the ins and outs of Dahlias.
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Doors open at 7 pm with the meeting starting at 7:30 pm.
Visitors always welcome. There is a nominal fee of $5 to help offset the cost of speakers.

MAY 13, 2026 Trees Talk if you are willing to Listen – Arborist Ruurd van de Ven explains how trees communicate and interact with each other.
2026-05-13 19:00 - 20:30 | St Andrews Church 175 Stone St Gananoque On, Stone Street South, Gananoque, Leeds and Grenville United Counties, K7G 2W4, Canada

CHINGUACOUSY: “Monarch Butterflies”
2026-05-12 19:30 - 21:00 | Knightsbridge Community Seniors Centre, 1A Knightsbridge Road, Brampton, ON, L6T 4B7, Canada
“Monarch Butterflies”
Speaker: Arletta Huson

Monthly General Meeting- Guest speaker or workshop
2026-05-12 19:00 - 21:30 | Streetsville United Church, Queen Street South, Mississauga, Regional Municipality of Peel, L5M 1L8, Canada
For detailed specifics about each meeting, visit our website or Facebook page to learn more.

Orangeville - Shirley Koch "Spring Perennials"
2026-05-12 18:30 - 20:30 | Orangeville Senior Centre, 26 Bythia Street, Orangeville, L9W 2S1
Please welcome our guest speaker tonight, Shirley Koch, as she talks about “Spring Perennials”. Learn how to have colour and vibrancy in your spring garden. Guests are welcome, free parking, draw prizes, sharing table, bring a mug for refreshments. There is also a flower show this evening.

Agincourt Garden Club + Tony Snider present What’s New in Hostas
2026-05-11 19:15 - 21:45 | Knox United Christian Education Center, 2575 Midland Ave @ Sheppard, Agincourt, M1S 1R4, Canada
The Agincourt Garden Club is for novice, regular and expert gardeners.
Monday May 11/26
Knox United Christian Education Center, 2575 Midland Ave. @ Sheppard, bus stop and driveway on Rural Ave.
7:15 PM: the entries for the 1st flower show of the season, have to be on the tables
7:30 PM the presentation starts
Headliner: Tony Snider teaches us about Hostas, based on the 300 in his garden.
Announcements: Upcoming Events: May 20 Bus Trip, May 23 Big Plant, Veg + Gently Used Treasures Sale
Refreshments, review the flower show results, chit chatting
For more info see our Facebook Page: Agincourt Garden Club or Instagram AGC Agincourt Garden Club
*protected email*
Cheryl.penner@hotmail.com

Georgina-Brock Garden Club – Plant Auction
2026-05-11 19:00 - 21:30 | Pefferlaw Lions Community Centre, 38 Pete's Lane, Pefferlaw, L0E 1N0
Georgina-Brock Garden Club Plant Auction with auctioneer Kevin McGuckin. A fun and lively event and the main fundraiser for the Georgina-Brock Garden Club. Huge selection of perennials, annuals, seedlings, veggies and more. Plants are generously donated by local garden centres and businesses as well as from member’s gardens. Everyone welcome.

Hawthorn Herbals
2026-05-11 19:00 - 20:00 | St. Peter’s Anglican Church, 4333 Bath Road, Kingston, K7M 4Z1
What’s growing near you? Nature is ready to be your medicine — you just need to pay attention. Registered Herbalist, Tamara Segal of Hawthorn Herbals will explain how she offers holistic approaches to restorative health using herbs, nutrition and guidance.

Plant Sale
2026-05-10 10:30 - 13:00 | North Runnymede United Church, Toronto, 33 Pritchard Ave, Toronto, M6N 1T4
Celebrate Mother’s Day with Roselands at our annual Plant Sale! We’ll have native perennials, annuals and houseplants.

Fritz’s Fertilizer Sale
2026-05-09 12:30 - 16:30 | St. John’s Hall, Church St., Bath, Church St.,, Bath, K0H1G0
Bath Gardening Club’s annual fertilizer sale takes place Saturday, May 9, 2026, however orders must be placed by May 6.
Horticultural societies will find details on how to order and pay in the attached form.
Please include the name of your horticultural society and contact information on your order.
Fertilizer Order Form

Annual Plant Sale
2026-05-09 09:00 - 12:00 | McConaghy Centre, 10100 Yonge Street, Richmond Hill, L4C 1T8
We are busy getting ready for our big Plant Sale on May 9th! Tables throughout the McConaghy Centre gymnasium will be overflowing with Perennials, Annuals, Tropicals, Succulents, Herbs and Vegetables. Signs will identify plants that are Native and Pollinator-friendly. Plants will primarily be from a member-tended Greenhouse in Richmond Hill.
In addition to plants, our big public sale will include garden-related items such as new and gently used books and magazines.
Our popular Worm Compost will be available for pickup on May 9th by individuals who have pre-ordered. There may be a few additional bags available for sale on a first-come-first-served basis. But, why wait? Secure yours now!
Buy Worm Compost
Never been to one of our Plant Sales? Society member Chris Robart snapped and posted photos of our 2025 and 2024 events to his Flickr account.
See Chris Robart’s 2025 Photos
See Chris Robart’s 2024 Photos
