Native Tree and Shrub Give Away
2026-05-02 10:00 - 11:00 (America/New_York) | Lasdon Welcome Center
Support wildlife with native plants. Lasdon will be giving away a variety of native bareroot trees and shrubs for you to plant at home. Sign-up to guarantee yours. Plants can be picked up at the Welcome Center.

Dangerous and Toxic Outdoor and Indoor Plants
2026-05-02 10:00 - 11:00
This tour will examine some of the dangerous/toxic plants that are found in your backyard and surrounding area. Parts of these plants including leaves seeds and berries if ingested can cause individuals to become violently ill. Besides these outdoor plants, several common house plants sold at garden centers and nurseries have leaves and berries that are poisonous and can result in humans and their pets to also experience unpleasant physical symptoms. it is hoped that by taking this tour you will be able to identify these dangerous plants and prevent you and your family from getting ill.

Garden Squad
2026-05-02 10:00 - 12:00, 2026-05-03 10:00 - 12:00, 2026-05-05 10:00 - 12:00, 2026-05-09 10:00 - 12:00, 2026-05-10 10:00 - 12:00, 2026-05-12 10:00 - 12:00, 2026-05-16 10:00 - 12:00, 2026-05-17 10:00 - 12:00 and 5 more dates
Spend a few hours in our garden! Work next to Lasdon’s gardeners on tasks that include watering, weeding, planting, pruning, deadheading, transplanting, tropical plant maintenance in a 60 year old greenhouse! Sign up at www.volunteernewyork.org.

Garden Highlight Tour
2026-05-03 13:00 - 14:00, 2026-05-24 13:00 - 14:00 | Lasdon Park, 2610 Amawalk Road, Route 35, Katonah, NY, 10536
The sights and scents of the season flourish across the garden collections of Lasdon Public Gardens. Spend some time with Lasdon’s head gardener on a walking tour featuring highlights of the gardens and plant collections. The one hour tour is free and meets at the Memorial Garden Entrance.

Ecotherapy: The Benefits of Nature
2026-05-09 10:00 - 11:00
Ecotheraphy, also called nature therapy, focuses on improving mental and physical wellbeing through outdoor activities. Master Naturalist Bruce Rosenberg will lead the guided walk to different areas of Lasdon that will be explored as nature and its benefits are experienced up close. All participants should be prepared to walk, wear comfortable clothing and shoes. Bring water. This is a rain or shine event. Space is limited. Registration required.

Mom and Me Tea Party
2026-05-09 11:00 - 12:00 | Lasdon Glass House Conservatory
Share an enchanting moment with Mom over tea in the tropical courtyard inside Lasdon’s Glass House Conservatory. This Mother’s Day, express your love for Mom by creating a hand picked flower bouquet. The bouquet will become the center piece for your table while you enjoy tea and nibbles over priceless conversation, write love notes or capture the moment with a picture in the photo booth. For families of all ages
All attending must purchase a ticket. Groups who intend to sit together must purchase all tickets in the same order.
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Mother's Day Tour
2026-05-10 11:00
What better way to celebrate Mother’s Day then immersing yourself in acres of beautiful flowers? Come to Lasdon Public Gardens for a gardener-led tour of our gardens and plant collections. Moms, treat yourselves to a lovely hour stroll around sweetly fragrant lilacs and other spring blooming flowers. Free. Meet at the Memorial Garden Entrance at 11am.

Plant Sale
2026-05-16 09:00, 2026-05-17 10:00 - 15:30 | Conservatory Plaza, 2610 Amawalk Road Route 35 Route 35, Katonah, NY, 10536, United States
Step into spring at the 2026 Lasdon Public Gardens Annual Plant Sale
Don’t miss one of the most anticipated gardening events. Whether you’re an experienced horticulturist or simply looking to brighten up your home or patio, you’ll find inspiration around every corner. Stroll through a vibrant selection of plants, flowers, trees and shrubs!

Around the World Fair
2026-05-20 13:30 - 14:30 | Conservatory Plaza, 2610 Amawalk Road Route 35 Route 35, Katonah, NY, 10536, United States
Come learn, laugh and travel the world – one poster at a time. Discover amazing facts, traditions, colorful flags, music, art, fun crafts, and tasty treats from different cultures. Bring your family, friends, and your curiosity and get ready to explore! Everyone is welcome!For $5 you will receive a passport, stamp from each county you visit, a coloring sheet at each country, and a helpful list of questions to ask. Adults will be free unless they want to join in on the fun too with a passport. All information presented by children of homeschool families. Come support them and ask them what they have learned. Suggested for ages 4 and up.

Stay and Play: Junior Stewardship Hour in the Soft Landing Meadow
2026-05-21 10:00 - 11:30, 2026-05-28 10:00 - 11:30
Find us between the Dino and Fairy trails for a chance to dig in and help with some gentle, playful, and educational gardening in our meadow restoration project. All ages.

Lasdon History and Highlights
2026-05-23 10:00 - 11:00
Urban Naturalist Bruce Rosenberg will lead a walking tour that will focus on the history and highlights of the Lasdon Public Gardens. Stops will include examining the William and Mildred Lasdon Memorial Garden, the magnolia trees, lilacs, conifers and azalea garden in addition to learning about the history of the Lasdon Main House. Registration required at lasdonpublicgardens.org. Free. Meet at entrance to garden.

Hands on Houseplant Help
2026-05-24 13:00 - 14:30
Lasdon’s gardeners will help rejuvenate your houseplants.Simply show up and together we will check the soil, remove dead and damaged leaves, repot it in good potting soil and talk about what your plant needs. You’ll also learn some great tips about keeping your houseplant happy and healthy.

Student Art Show
2026-05-29 10:00 - 2026-05-31 15:30 | Lasdon Glass House Conservatory
On view for one weekend only in the Glass House Conservatory, an exhibition of student work created in the Homeschool Art Program at Lasdon Public Gardens.

Lasdon Public Gardens Medicinal Plant & Tree Tour
2026-05-30 10:00 - 11:00
Urban naturalist Bruce Rosenberg will lead a to examine over twenty plants and trees in the Arboretum that have medicinal qualities and are used to treat physical and mental conditions. All of these plats can be grown in your own backyard and are available at local nurseries. He will also briefly discuss some of the active chemical constituents of those plants which help to fight infections, inflammation and a host of other ailments. Meet at the Memorial Garden entrance. Free.

We Luv Dinosaurs!
2026-05-30 11:00 - 12:30
Calling dinosaur lovers to celebrate National Dinosaur Day by baking Dino Sugar cookies, making Lasdon’s unique Paleo-pouch for holding fossil treasures and taking a special hands-on tour of the Dino trail that includes touching real dino poo! 6 children max. Ages 5 years old and up. Registration required at lasdonpublicgardens.org. Registration ends May 29. Fee: $10.
