Coreopsis tinctoria

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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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