Leucanthemum x superbum 'Becky' 'Becky' Shasta Daisy Size: 12 to 18" high and wide. Hardiness: Zones 4 to 9. Heat Zones: 8 to 5. Habit: Shasta daisy forms rosettes of coarsely toothed, dark green, spoon-shaped leaves. Wiry flower-bearing stems with smaller leaves arise from the rosette. Culture: Full Sun to light shade.