UNITY — Maine Organic Farmers and Gardeners Association’s annual Seed Swap & Scion Exchange is celebrating its 40th anniversary this year.

The event has been postponed to Sunday, April 2, from noon to 4 p.m. at the association’s Common Ground Education Center, 294 Crosby Brook Road. Participants can swap seeds, select new apple or pear varieties for their orchard, and celebrate spring at this free community event, according to a news release from the association.

After gathering seeds, stay to visit educational tables, people can pick up supplies or have some 40th birthday cake. MOFGA will have several educational workshops beginning at 12:30 p.m., including sessions on tips for planting first fruit trees, seed saving for beginners, backyard apple and pear breeding, and favorite apple varieties for the backyard orchard.

Bring any seeds, scionwood or cuttings to share with others.

Rootstock will be for sale for those wishing to graft new trees (quantities are limited). Custom grafting will be offered from 12:30-3:30 p.m., by donation to the Maine Heritage Orchard.

Youth activities , including seed paper and seed ball-making, will be ongoing throughout the afternoon.

Although admission is free, donations are welcome; no registration is required.

For more information and a workshop schedule, visit mofga.org.

Check out other upcoming area events!