Columbia Pacific Heritage Museum in Ilwaco presents the Columbia Pacific Dahlia Show from 10 a.m. to 4 p.m. Sept. 15 and 16. Dahlia entries will be accepted from 10 a.m. to 4 p.m. Sept. 14. Registration is encouraged but not required. A form and more information can be found at www.columbiapacificheritagemuseum.org. Participants can enter bouquets, arrangements and single stems. Participants can also sign up for six-foot tables to create their own displays; call 360-642-3446 or email firstname.lastname@example.org to request a table or for more information about the dahlia show. Prizes will be awarded in multiple categories in addition to “Best in Show” and “People’s Choice” awards. The museum is open 10 a.m. to 4 p.m. Wednesdays through Saturdays.