CULTIVATION OF CALENDULA
HOW TO GROW CALENDULA
- Plant family: Compositae.
- Leaves alternate, petiolate, oblong, spatulate, margins entire or with few teeth, and hairy.
- Large floral florets, 5 - 7cm. in diameter, composed of radiated flowers. It blooms from June to early November.
- Plant of temperate climates.
- Resistant to frost and drought.
- It grows in full sun or semi-shade.
- Located from 0 to 1,000 m.
Pot marigold flowers
- Type of soil: sandy loam soils, limestone or clay.
- It requires moist soil, even in summer.
- pH between 4.5 and 8.3. It can grow in acid and alkaline soils, but it prefers limestone.
- Provide a fertile soil rich in organic matter.
Photo of calendula plant
SEXUAL REPRODUCTION BY SEEDS
- Plant seeds in situ, in spring (March-April) or early fall (September-October).
- Germination occurs in 2-4 weeks.
- Flowering occurs four months after planting, in summer (if planted in spring) or between May and June if planted in autumn.
- The plant reproduces spontaneously.
- Flowers appear 4 weeks after sowing. Usually between April and October.
Calendula diseases and pests
- Mosaic Disease: caused by mosaic virus.
- Mildew: fungal disease that attacks in full force in summer, but that may appear in late spring.
- Powdery mildew: It is a common disease of plants. It appears in spring but its effects may linger during the summer or fall.
More information on calendula in the listing above
Other interesting articles
This material is for informational purposes only. In case of doubt, consult the doctor.