Calendula opiquinalis

Calendula officinalis

Calendula officinalis, commonly known as marigold or calendula, is an annual or biennial herbaceous plant belonging to the Asteraceae family.

Growth Characteristics- Growth Habit: It grows to a height of approximately 30–60 cm and produces bright, vivid orange or yellow flowers.
- Flowering Period: It can bloom continuously, mainly from spring to autumn.
- Environmental Requirements: It thrives in locations with plenty of sunlight and grows well in well-drained soil.

Propagation Methods- Seed Propagation: It is common to sow seeds directly outdoors or to grow seedlings indoors and then transplant them. Seeds germinate best when the minimum temperature is 15 degrees Celsius or higher.
- Division Propagation: While it is possible to propagate by dividing the bush, seed propagation is more common.

Cultivation Methods- Soil: Well-drained soil is preferred, and it favors slightly fertile soil. - Watering: Avoid overwatering; it is best to water when the soil is dry.
- Fertilizer: It is recommended to apply liquid fertilizer every 4 to 6 weeks during the growing season.

Uses in the Garden
- Landscape: With its brightly colored flowers, it is used to improve the landscape in gardening.
- Box Pots: Suitable for growing in gardens or balconies by planting in flowerbeds or containers.
- Natural Insecticide: Calendula is also useful as a plant that repels or attracts pests, so planting it alongside other plants can be effective.

Important Pests and Diseases & Control Methods
- Diseases: It may be susceptible to fungal diseases such as leaf mold. In this case, ensure good ventilation and take care to prevent water from touching the leaves.
- Pests: Pests such as aphids and snails may occur. In this situation, you can control them by using appropriate insecticides or utilizing natural predators. Calendula is a plant that combines beauty and practicality, and is widely used, particularly as an ingredient in medicine and cosmetics. Since it is relatively easy to cultivate, it can be a good choice for gardening beginners.

Plant Type
Plant Family	Asteraceae
Height	30~60cm
Spread
Colors	orange, yellow
Bloom Period	March to May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-15°C

Round-leaved Alisma
Caldesia parnassifolia

marigold
Calendula arvensis