The Camas-Washougal Historical Society’s Annual Plant Fair is 10 a.m. to 3 p.m. May 18 and June 23 at Two Rivers Heritage Museum, 1 Durgan St., Washougal. Historical Society members sell plants grown in local gardens to raise funds for the museum, offering an array of unusual horticultural finds. Plants for sale this year include creeping bell flowers, Solomon’s seal, forsythia, red hellebores, violets, Hosta lilies, pink and white peonies, wildflowers and other native plants such as Camas lilies. The museum will be open during the sales; admission is $5 for adults, $4 for seniors, $2 for students and free for children under 5. To learn more, visit www.2rhm.com.