Pot Marigold / Calendula
Calendula officinalis
An aromatic herbaceous perennial or annual with bright yellow or orange daisy-like flowers and simple, slightly hairy, oblong leaves.
- Light
- Full sun preferred (6-8 hours), but can tolerate partial shade in hot summer climates.
- Water
- Moderate watering; allow the top inch of soil to dry between waterings. Drought-tolerant once established but prefers consistent moisture for better blooming.
- Growth
- Short-lived perennial or hardy annual. Upright, bushy habit reaching 12-24 inches in height and width.
Care instructions
Low-maintenance. Provide full sun and well-draining soil. Water regularly but do not overwater. Deadhead spent blooms to encourage continuous flowering and fertilizer lightly once a month.
Growing details
Sunlight
Full sun preferred (6-8 hours), but can tolerate partial shade in hot summer climates.
Watering
Moderate watering; allow the top inch of soil to dry between waterings. Drought-tolerant once established but prefers consistent moisture for better blooming.
Soil
Well-drained, moderately fertile soil; adaptable to most soil types; pH between 6.0 and 7.0.
Hardiness zone
2-11 (grown as an annual in most areas; perennial in zones 9-11).
Growth habit
Short-lived perennial or hardy annual. Upright, bushy habit reaching 12-24 inches in height and width.
Bloom season
Generally blooms from late spring until the first frost; flowers are yellow, orange, or cream with single or double petals.
Propagation
Easily propagated by seed. Sow directly in the garden after the last frost or start indoors 6-8 weeks prior.
Common pests & issues
Susceptible to powdery mildew if air circulation is poor. Pests include aphids and slugs. Avoid overhead watering to prevent leaf diseases.
Similar species
French Marigold (Tagetes), which has finely divided, feathery foliage and a pungent smell, whereas Calendula has simple, entire leaves.