Plains coreopsis
Taxonomy
- Kingdom: Plantae
- Clade: Tracheophytes
- Clade: Angiosperms
- Clade: Eudicots
- Clade: Asterids
- Order: Asterales
- Family: Asteraceae
- Genus: Coreopsis
- Species: Coreopsis tinctoria
Common Names by Region
- North America: Plains Coreopsis, Golden Tickseed
- Europe: Calliopsis
- South America: Botón de oro
- Asia: 花菊 (Huā Jú)
Description
- Growth Habit: Annual herbaceous plant with a bushy, upright form.
- Size: Typically 1-3 feet (30-90 cm) tall, spreading 1-2 feet (30-60 cm).
- Leaves: Pinnately lobed, narrow, and green; lower leaves may be more divided.
- Flowers: Daisy-like, with bright yellow ray florets often with maroon to reddish centers, 1-2 inches (2.5-5 cm) in diameter, blooming from late spring to early fall.
Known Range
- Native Range: Central and western North America, especially prairies and open meadows.
- Cultivated Range: Widely grown in gardens and naturalized in temperate regions worldwide.
Care Requirements
- Light: Full sun for best flowering; tolerates partial shade.
- Watering: Drought-tolerant once established; prefers moderate watering, allowing soil to dry between watering.
- Soil: Well-drained, sandy or loamy soils; tolerates poor soils and is adaptable to various conditions.
- Humidity: Low to moderate humidity; not suited for very humid environments.
- Temperature: Thrives in warm climates; tolerates light frost.
- Propagation: By seed; sow directly in soil after the last frost or start indoors 6-8 weeks before planting out.
- Common Pests/Diseases: Generally pest-free but may occasionally suffer from aphids or fungal leaf spots in overly wet conditions.
Additional Notes
- Special Features: Attracts pollinators such as bees and butterflies; excellent for wildflower meadows, xeriscaping, and erosion control.
- Maintenance Level: Low; deadhead spent blooms to prolong flowering season and prevent excessive self-seeding.
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