University of Wisconsin-Madison | Botany Plant Growth Facilities

Botanical Garden

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Genus: Calendula Species: officinalis Common Name: Pot Marigold Family: Asteraceae Order: Asterales Native: Southern Europe Habit: Herbaceous Perennial Height: 1 to 3 feet Width: 1 to 2 feet Flowering Season: Late Spring to Fall Flower Color: Orange or yellow Propagation: Seed Zone: Hardy to zone 7 Note: Pot marigold is suitable for borders, beds, cut flower gardens or containers. Dried flower heads may be used for food coloring. Pinching the vegetative buds promotes bushiness in this plant. Remove or pinch spent flowers to encourage additional flowering. Monitor plant for stem rot, powdery mildew and leaf spots. Prefers sunny to partly shady, moist, ordinary garden soil.