Goldenrod Drummondii

Coreopsis drummondii

Coreopsis drummondii is a perennial herb belonging to the Asteraceae family. It is one of the most popular garden plants, known for its bright yellow flowers. Below is information regarding Coreopsis drummondii’s growth characteristics, propagation methods, cultivation techniques, garden uses, and major pests and diseases, as well as control methods.

Growth Characteristics
- Origin: North America
- Height: Approximately 30–60 cm
- Flowering Season: Summer to early autumn
- Sunlight: Prefers full sunlight
- Soil: Well-drained soil
- Cold Hardiness: Not very hardy, but requires protection in cold regions

Propagation Methods
- Seeds: Sow directly outdoors in the spring or grow seedlings indoors and then transplant.
- Division: Can be propagated by dividing mature plants.

Cultivation Methods
- Select well-draining soil and water regularly. However, avoid overwatering.
- Fertilize primarily in the spring, and refrain from excessive nutrient supply. - Periodically remove withered and dead flowers to encourage new blooms.

Uses in the Garden
- It is excellent as a border plant for flower beds.
- It pairs well with perennials and can be harmoniously combined with summer flowers of different colors.

Important Pests and Control Methods
- Diseases: Be mindful of fungal diseases such as mold, and prevent them through proper ventilation and drainage.
- Pests: Aphids and butterfly larvae may occur; use soapy water or insecticides if necessary.
- To prevent infestations, periodically inspect the plant's condition and take immediate action upon detecting early symptoms.

Coreopsis drummondii is a widely loved plant in gardens due to its vigorous growth and attractive, showy flowers. It is relatively easy to care for and thrives without difficulty as long as environmental conditions are met.

Plant Family	Asteraceae
Height	30~60cm
Colors	orange
Bloom Period	June to September
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-10°C

Large goldenrod
Coreopsis lanceolata

Tall goldenrod
Coreopsis tripteris