PORTLAND — On Saturday, June 16, from 10 a.m. until 3:30 p.m., The Opportunity Alliance will host the Secret Gardens of Portland, a tour of the best private gardens in Portland.

A fundraiser for the Foster Grandparent and Senior Companion programs, tickets to tour the gardens are $17.50 in advance, $20 the day of the event. Tickets will be available at Skillins in Falmouth and Cumberland, Big Sky Bread Company at 536 Deering Ave. and Monument Square in Portland, O’Donal’s Nursery in Gorham and online at www.opportunityalliance.org.

This self-guided tour will be held rain or shine. For more information call 773-0202.

Foster Grandparents volunteer in classrooms under the guidance of teachers in schools and child development centers. Senior Companions volunteers help their neighbors remain living independently.