Xanthos Cosmos (Cosmos bipinnatus 'Xanthos')

🌱

☀️

Sunlight Thrives in full direct sunlight; tolerates partial shade but produces fewer blooms in low light conditions

💧

Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot and fungal growth

🌡️

Temperature Frost-tender annual; grows best in warm temperatures, avoid exposure to temperatures below 10°C to prevent stunted growth

🔍

Leaf: Finely bipinnate, fern-like, bright green, delicate feathery texture
Flower: Daisy-like blooms with creamy yellow to pale yellow petals, 7–10 cm in diameter
Stem: Slender, branching, green, slightly hairy, upright growth habit

🛠️

Watering

Keep soil consistently moist during active growth and blooming periods; water deeply during prolonged dry spells

Fertilization

Apply diluted balanced liquid fertilizer once every 2 weeks. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Banana peel compost tea：Soak fully composted banana peels in water for 24 hours; dilute the tea 1:20 with water for root drenching to boost blooming

Pruning

Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
Pinch back young seedlings to promote bushier, more compact growth
Remove leggy or damaged stems to maintain a neat, upright form

⚠️

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no adverse effects from ingestion

Humans: Non-toxic to humans; no harmful effects from ingestion or contact

📖

Culture: Symbolizes peace, harmony, and joy; popular in cottage-style garden designs

Usage: Cut flower for floral arrangements, garden ornamental, pollinator-friendly plant to attract bees and butterflies