Join Garden Club of the Back Bay Past President Margaret Pokorny, who is also, incidentally, the Chair of the Commonwealth Avenue Mall Committee and a member of the Board of Directors of the Neighborhood Association of the Back Bay, on Wednesday, May 22, beginning at 6:30 pm, for a lecture and discussion about the replanting, preservation, and maintenance of “The Grandest Boulevard.”  The event will take place at the French Cultural Center, 53 Marlborough Street, and is free and open to the public.  Contact 617-247-3961 or email info@nabbonline.com for more information.  The evening is presented by NABB.