OX EYE DAISY Chrysanthemum Leucanthemum Flower Seeds. Ox Eye Daisy is a perennial that can reach from 1-3 ft. (0.3-1 m) in height. A single plant can produce from 1-40 flowering stems. Leaves are 1-4 in. (2.5-10 cm) long, toothed (or lobed) and decrease in size closer to the apex of the stem. Flowering occurs all summer, when daisy-like flower heads develop. Ox Eye Daisy can thrive in a wide variety of soil types and can grow in sun to partial shade.