TUESDAYS-SUNDAYS. The Mercer Society Gift and Plant Shoppe: 10 a.m.-4 p.m. Tuesdays-Saturdays, 11 a.m.-4 p.m. Sundays at 400 Main, Old Town Spring 281-651-5475, themercersociety.orgways-to-givedonate. Sales proceeds benefit flood-damaged Mercer Botanic Gardens. SATURDAY.Chroncom