daisy, Ox-eye, Chrysantheum leucanthemum
Weed Control Options 
Life Cycle
Perennial.Propagation
Reproducing by seed and by underground rhizomes.Stems
Stems erect or curving upwards 20 - 90 cm high.Leaves
Lower leaves broadly spoon-shaped, deeply and coarsely dissected or toothed, stalked, smooth, dark green, often glossy and fleshy; upper leaves narrower, similarly dissected or deeply toothed, stalkless and often clasping the stem, alternate (1 per node).Flowers and Fruit
Flower heads large and showy, daisy-like, 2.5 - 5 cm across, borne singly at ends of stems and main branches; ray florets usually 15 to 30 per head, white, 1 - 2 cm long; disk florets bright yellow, short, numerous, densely packed, forming a slightly rounded centre; involucral bracts at base of each head numerous, firm, overlapping, light green with brownish margins; seeds top-shaped with a knob-like projection on the upper end, ridged, and with alternate black and white stripes. When crushed, all parts of the plant have a disagreeably sour odour. Flowers from early June to late autumn.Roots and Underground Structures
Single stem protruding from upturned ends of rhizomes, or few to many from a stout root-crown.Habitat
Ox-eye daisy is very common and conspicuous throughout Ontario, often forming dense infestations in pastures, meadows and waste places, but also occurring in cultivated land, roadsides, gardens and lawns.Media Items
Figure 1: Top
Figure 2: Top
Figure 3: Daisies along roadside, central Ontario, early July. Top
Figure 4: Top
Figure 5: Daisy flower. Top
Figure 6: Close-up of flower head of ox-eye daisy. Top
Figure 7: Back of flower head of ox-eye daisy. Top
Figure 8: Narrow leaf of Ox-eyed daisy. Top