Pot marigold Calendula officinalis Photo/Illustration: Jennifer Benner Pot marigold (Calendula officinalis) kah-LEND-yew-lah oh-fi-shi-NAH-lis Genus: Calendula Pot marigolds bloom most of the summer, but are intolerant of intense heat and may die out during periods of hot humid weather. Their branching stems are covered with simple, alternate leaves and they produce large flowers in different hues of yellow and orange in the summer. Noteworthy Characteristics: Flowers are edible and look great in a salad. Care: The flowering season is prolonged when old flower heads are removed. Grow in sun or partial shade and well-drained soil. Propagation: The seed may be started indoors or planted. Problems: Infrequent. Overview Height 1 ft. to 3 ft. Spread 1 ft. to 3 ft. Growth Habit Clumps Growth Pace Fast Grower Light Full Sun to Part Shade Moisture Dry to Medium Maintenance Moderate Characteristics Attracts Butterflies, Showy Flowers Bloom Time Early Fall, Early Summer, Fall, Late Summer, Summer Flower Color Salmon, Primrose Yellow Uses Beds and Borders, Container, Suitable as Annual Style Cottage Garden, Dried Flower, Herb Garden, Rock Garden Seasonal Interest Summer Interest Type Annuals Calendula officinalisView the discussion thread.