Across the top of the poster is "California" in blue, with "Wildflower Show" vertically in black in a blue bar down the right side of the poster. At the left is a color illustration of a blue flower. At the bottom right is black text reading "Saturday April 24, 1993 / 10 a.m. - 5 p.m. / Sunday April 25, 1993 / noon - 6 p.m. / The Oakland Museum / Hall of California Ecology / 1000 Oak Street / Oakland, CA". At the bottom left is a blue box.