Saturday, Oct. 11, 10-11:30 a.m. – Join the Blue Heron Nature Preserve and Trecia Neal, an expert on establishing gardens for monarchs, who discusses the two-way migration of monarch butterflies. Includes a walk through the Canterbury Court gardens. $5 per person. RSVP to 678-315-0836. Registration forms and additional details: www.bhnp.org. Canterbury Court, 3750 Peachtree Rd., NE, Brookhaven, 30319.