Acanthaceae
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Crossandra: Features and Care

Crossandra
伊東 春乃

Crossandra is a highly ornamental plant that produces bright orange or yellow flowers. It thrives in warm climates and blooms for an extended period.

This article provides detailed information on Crossandra, including its cultural significance, historical background, and care guidelines.

Basic Information

  • Scientific NameCrossandra infundibuliformis
  • Family: Acanthaceae
  • Origin: India, Sri Lanka, and Southeast Asia
  • Appearance: The plant features glossy dark green leaves with vibrant tubular flowers that spread out in a fan shape at the tip.
  • Blooming Season: It blooms from spring to autumn and, in warm environments, can produce flowers year-round.

Cultural Significance Around the World

Crossandra is widely cherished in tropical regions and holds auspicious meanings in various cultures.

In India, its bright color symbolizes good fortune and happiness. It is often used in temple decorations and religious festivals. In southern India, Crossandra flowers are frequently woven into traditional floral garlands known as mala, which are commonly seen at celebrations such as weddings and festivals.

In Sri Lanka and Southeast Asia, Crossandra is regarded as a lucky flower and is widely cultivated in home gardens and pots. Buddhist temples also use the flowers as offerings, representing purity and respect.

In the West, Crossandra gained popularity as an ornamental plant in the 19th century, particularly in Victorian-era greenhouses. Today, it continues to be admired by gardeners who appreciate tropical plants.

Historical Background

Native to the warm regions of the Indian subcontinent, Crossandra has been closely associated with religious and cultural traditions for centuries. It has long been used in Hindu rituals and temple decorations as an offering to the gods.

The plant was documented by European botanists in the 18th century and was introduced to Europe in the 19th century during the tropical plant craze. Its vibrant flowers and prolonged blooming period made it highly desirable for greenhouse cultivation, particularly among the wealthy and aristocratic classes.

Today, Crossandra is widely cultivated in tropical and subtropical regions and has become a popular addition to urban gardens and potted plant collections.

Gardening Advice

With proper care, Crossandra can bloom for a long time. Here are key tips to ensure healthy growth:

Sunlight

Prefers partial shade to bright indirect light. Too much direct sunlight can damage the leaves, so morning sunlight is ideal.

Watering

Water thoroughly when the soil surface becomes dry. Avoid overwatering, as excess moisture can lead to root rot.

Soil

Requires well-draining soil with moderate water retention. A mixture of potting soil, compost, and perlite helps improve drainage.

Fertilization

During the growing season, apply diluted liquid fertilizer every two weeks to encourage continuous flowering. Avoid excessive feeding.

Temperature

Sensitive to cold temperatures. Keep it indoors when temperatures drop below 10°C (50°F).

Pruning

Regularly remove wilted flowers and trim overgrown branches to maintain a compact and healthy shape.

Conclusion

Crossandra is a striking plant that produces vivid orange and yellow flowers over an extended period. In India, it has been associated with auspicious meanings and is commonly used in temple offerings and traditional garlands.

The plant was introduced to Europe in the 19th century, where it gained popularity for greenhouse cultivation. Today, it remains a favored plant in tropical and warm climates. 

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