SafePlants

China Aster (Callistephus chinensis)

The China Aster, scientifically known as Callistephus chinensis, is a captivating annual flower renowned for its vibrant colors and abundant blooms. It's a popular choice for gardeners seeking to add a splash of color to their summer and fall displays.

Taxonomy and Nomenclature

• Scientific Name: Callistephus chinensis
• Family: Asteraceae (Aster family)
• Genus: Callistephus (monotypic, containing only one species)
• Synonyms:
  • Aster chinensis Linnaeus
  • Callistemma chinense (Linnaeus)

Common Names

• China Aster
• Chinese Aster
• Annual Aster
• Matsumoto Aster
• Aster Pompon
• Aster Paeony
• Summer Aster

Distribution and Habitat

• Native to China and adjacent Korea.
• Widely used in horticulture globally.

Morphological Characteristics and Growth Habits

• Annual plant with a bushy, upright growth habit.
• Coarsely toothed ovate leaves.
• Large, solitary, daisy-like flower-heads (often double in cultivars).
• Flower size around 2 inches/5 cm in diameter.
• Grows to approximately 2 feet (75 cm) tall.
• Blooms from early summer to fall.

Ecological Role

• Attracts butterflies.

Cultivation

• Cool weather annual.
• Easily grown in rich, consistently moist, well-drained soils.
• Prefers full sun to part shade.
• Start seeds indoors 6-8 weeks before the last spring frost.
• Optimal growing temperature: 12-15°C (does not tolerate temperatures below 8°C or frost).
• Known for being a rewarding summer flower with brilliant colors.
• Excellent as cut flowers due to their long stems.

Quirky Facts

• The genus name Callistephus comes from Latin and is a combination of "Colful summer flower."
• The 'Matsumoto' series is one of the most commonly produced cultivars.
• China Asters should not be confused with the genus Aster (Michaelmas Daisy).
• The Plant List includes 2 accepted species names for the genus Callistephus (even though it's monotypic).