Herring Gut Coastal Science Center and the St. George Conservation Commission invite community members to attend a free educational program focused on protecting local forests from the invasive Emerald Ash Borer beetle.

The program, part of Herring Gut’s Spring Fever Series, will take place Saturday, May 30, 2026, at 10 a.m., at Fort Point Trail, 947 River Road, in St. George.

Families with children in kindergarten and older are invited to attend an overview of basic library skills, a tour of the Belfast Free Library, a scavenger hunt and prizes. Stephanie Holman, Youth Services Librarian, will lead a program to support readers and researchers with tips and tools to use a public library to its fullest. 

The program will be held Tuesday, May 19, from 4 - 5 p.m., in the Abbott Room of the Belfast Free Library, 106 High Street, Belfast. 

The Washington Grunge, in partnership with Georges River Land Trust, will host Welcoming Walkabouts, outdoor meetups for LGBTQIA+ community members at various trails throughout the Midcoast this summer. Treks include a short hike with time to foster connections with each other and with nature.

The first Welcoming Walkabout will take place at Gibson Preserve in Searsmont on Saturday, May 23, from 10 a.m. - 12 p.m. LGBTQIA+ community members, along with their allies, are invited to explore the preserve’s woodland, riverside trails and connect with new and familiar friends.

Trekkers, a nonprofit youth mentoring organization serving Midcoast Maine, will host its biennial Art Auction from May 21–28, featuring original works by more than 30 regional artists inspired by Trekkers’ guiding tagline, “360 Degrees of Support.”

Volunteers are wanted for a Town-wide Clean Up Day in Thomaston, Saturday, May 9, from 10 a.m. - 2 p.m. Two different sessions will be offered: 10 a.m. to noon and Noon to 2 p.m. There will be a sign-up sheet.

"Our focus will be to clean up our neighborhoods, parks, schools, Downtown, and Town-owned roads," said event sponsor Thomaston Conservation Commission, in a news release.

Participants will meet behind the Business Block, where the Commission will provide bags, gloves, and a limited number of grabbers and vests.

UNION — Union Elementary School Principal Dr.

Owls Head Garden Club Plant Sale will be held Saturday, May 23, from 8 a.m. - 12 p.m., rain or shine, across from the Owls Head General Store.

Perennials, houseplants, veggies and more.

All proceeds will be used in support of the garden club's mission to revitalize the Town's gardens.

Community Yard Sale, presented by the Owls Head Village Library, will be held Saturday, May 16, from 8 a.m. - 12 p.m., rain or shine, at Owls Head Community Building, 224 Ash Point Drive. 

Stockton Springs Community Library holds its Annual Book, Plant, and Bake Sale on Saturday, June 6, from 9 a.m. -1 p.m.

Stock up on books, DVDs, audio books, plants for the garden, and treats.

"See old friends and make new ones as your purchases benefit our library," said the Library, in a news release.

Questions? Please call 567-4147 or www.stockonspringslibrary.org.

Lincolnville Center Indoor Flea Market will be held Saturday, May 16, from 8 a.m. to noon, in the Community Building, 18 Searsmont Road, Rt. 173 in Lincolnville CENTER. 

"This market offers a wide variety of merchandise from the useful to the unusual including vintage household goods, seasonal decorations, handcrafts, farm products and delectable sweet and savory baked goods," said event sponsor United Christian Church (UCC), in a news release.

The Second Congregational Church of Warren announced that it is delighted to welcome a new minister, Pastor Heidi Grueser. 

Nature Trail Work Party is being organized for trail improvements to the connector trail between Lincolnville Central School and the library, as well as invasive plant and trash removal. The event takes place Saturday, May 16 with shifts scheduled for 9 a.m. - 12 p.m. and 1 - 4 p.m.

On Wednesday, May 13, at 1 p.m., the Rockport Public Library will host the third program in its Spring Horticulture Series in partnership with Merryspring Nature Center. John Fromer, Merryspring’s Program Director, will introduce the audience to a new digital tool that can dynamically enhance learning opportunities while at the 66-acre preserve, according to a Library news release.

Beth Macy, New York Times-bestselling author of a seminal book on how corporate greed created the opioid epidemic, is joining Finding Our Voices online, Tuesday, May 12, at 6 p.m., to talk about the link between substance abuse and domestic abuse, and how both are exacerbated by a dysfunctional class system and radicalized America.

The Belfast Garden Club will hold its annual plant sale on Saturday, May 23, from 9 a.m. until noon, at the Belfast Boathouse and Steamboat Landing.

The sale will take place rain or shine, and will feature perennials, herbs, annuals, trees, and shrubs in addition to a table of member-made arts and craft items and the gardener-to-gardener table of gently used garden goods.

"Bring your family to enjoy the beauty and share in the bounty of Merryspring Nature Center's Daffodil Celebration," said Merryspring, in a news release.

The annual Daffodil Celebration will take place Saturday and Sunday, May 9 and 10, from 10 a.m. to 2 p.m. 

Pick your own bouquet for $1 per stem, or choose from pre-cut bouquets. A free daffodil will be offered to each child to give as a special gift to their moms on Mother’s Day weekend.

The Knox-Lincoln Soil & Water Conservation District holds its annual Spring Plant Cash & Carry Sale on Saturday, May 9, from 8 a.m. to 2 p.m., at the Union Fairgrounds.

The Rockport Garden Club (RGC) will hold a meet and greet with the public to highlight the Club as a community resource for social activities, local events, and educational programming. The event will take place Monday, May 11, from 10 to 11:30 a.m., in the lower-level room of the Rockport Public Library.