Dates and times are subject to change by organizers. Please visit the organizers’ website for the latest information.

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Ongoing

Montessori Kids Universe open house

Montessori Kids Universe Waltham 475 Winter St #15, Waltham

Stop by and tour classrooms, meet staff, and get a feel for the environment at MKU! Light refreshments will be provided, and there will be a fun gardening activity where […]

Hosta and perennial sale

Hosta and perennial sale
Lyman Estate Greenhouse 185 Lyman Street, Waltham

Explore the historic greenhouses and take home a new plant. Hosta and perennial plants of all shapes, sizes, and colors are available, including many new and hard-to-find varieties. Our experts can help you choose the right plants for your garden. May 30, May 31, and June 6. 9:30 a.m. - 4:00 p.m. Historic New England […]

Native plant sale

First Parish Lexington 7 Harrington Rd, Lexington

We expect to have 6,000+ plants representing 150+ native species, including perennial wildflowers, ferns, grasses/sedges, shrubs, and trees. Our full species list will be posted 7-10 days before the sale, […]

NextGen STEMFest

Charles River Museum of Industry & Innovation 154 Moody Street, Waltham

The NextGen STEMFest is an event designed to ignite a passion for Science, Technology, Engineering, and Mathematics (STEM) in students of all ages. The NextGen STEMFest aims to spark curiosity […]

Free

Chill Saturday brunch picnic

Waltham Common 610 Main St, Waltham

New in town? Looking to meet new people who also want to spend time outside? Let's do a chill Saturday morning picnic brunch at the Common before it gets too hot. Bring something easy to eat for yourself; sharing is encouraged in the spirit of the group, but totally optional. Keep it simple. Blanket or […]

Free

HANVOW fundraising gala

American Legion Nonantum Post 440 295 California St, Newton

Haitian American New Vision of Waltham is a nonprofit organization dedicated to empowering immigrants and underserved families in Waltham and surrounding communities. Through education, cultural engagement, immigration support, ESL classes, […]

$75

Hosta and perennial sale

Hosta and perennial sale
Lyman Estate Greenhouse 185 Lyman Street, Waltham

Explore the historic greenhouses and take home a new plant. Hosta and perennial plants of all shapes, sizes, and colors are available, including many new and hard-to-find varieties. Our experts can help you choose the right plants for your garden. May 30, May 31, and June 6. 9:30 a.m. - 4:00 p.m. Historic New England […]

Hosta and perennial sale

Hosta and perennial sale
Lyman Estate Greenhouse 185 Lyman Street, Waltham

Explore the historic greenhouses and take home a new plant. Hosta and perennial plants of all shapes, sizes, and colors are available, including many new and hard-to-find varieties. Our experts can help you choose the right plants for your garden. May 30, May 31, and June 6. 9:30 a.m. - 4:00 p.m. Historic New England […]