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PlantSnap
Plant Care
Pot marigold
(Calendula officianalis)
Also Known As
Pot marigold, Marigold, Garden marigold, English marigold
About This Plant
Calendula officinalis is a plant species in the family Asteraceae, commonly known as pot marigold. It is an annual herbaceous plant that grows up to 50 cm in height. The leaves are oblong-lanceolate and hairy, and the flowers are bright yellow or orange with a diameter of 4-7 cm.
Plant Care Instructions
Outdoor Size Range
18-30 inches (45-75 cm)
Light Requirements
Calendula officinalis requires full sun to partial shade. It grows best in bright, direct sunlight.
Humidity Needs
Calendula officinalis prefers moderate humidity levels, but can tolerate low humidity.
Fertilizing Schedule
Fertilize once a month with a balanced fertilizer during the growing season.
Pruning Guidelines
Deadhead spent flowers regularly to promote continuous blooming. Cut back the plant by one-third in mid-summer to encourage a second bloom.
Common Pests and Diseases
Common pests for Calendula officinalis include aphids, slugs, and snails. Diseases include powdery mildew and botrytis.
Indoor Size Range
12-24 inches (30-60 cm)
Watering Schedule
Watering should be done regularly, but not excessively. Allow the soil to dry out slightly between watering.
Temperature Range
Calendula officinalis prefers cool temperatures between 60-70°F (15-21°C), but can tolerate higher temperatures up to 80°F (27°C).
Growing Season
Calendula officinalis grows best in the cooler months of spring and fall. In warmer climates, it can be grown as a winter annual.
Growing Difficulty Level
Calendula officinalis is easy to grow and is suitable for beginner gardeners.
USDA Hardiness Zones
Calendula officinalis is hardy in USDA zones 6-9.
Did You Know?
Calendula officinalis is not only a beautiful flower, but it also has medicinal properties. It has been used for centuries to treat a variety of ailments, including skin irritations, digestive issues, and menstrual cramps.
