Leucanthemum x superbum (Asteraceae) A hardy perennial, forming dense colonies once established. This daisy has naturalized throughout all regions of the United States. The white petalled flowers with golden yellow centers are borne individually on single erect stems. Prefers full sun to partial shade in fertile soil.
Height: 1-3 feet
USDA Zones: 4-10
Sunset Zones: A1-A3, 1-24, 28-43, H1
Growing tips: Start seeds in sunny window, in spring or early summer or direct seed in the garden. Where winters are mild, may be sown outdoors in late summer or fall. Seeds need light to sprout, so barely press into soil. Mulch to help overwinter in northern climates. Expect bloom the following spring after one season's growth.
Planting depth: 1/16 to 1/8 inch
Germination: 10-20 days Optimum soil temperature for germination: 70F
Space plants 12 to 24 inches apart.
Blooming period: June-July
Suggested use: Excellent as a ground cover or border plant since the foliage is attractive and remains green all year. An ideal cut flower, lasting up to 10 days in arrangements.