Cosmos (Cosmos bipinnatus)

Bring effortless beauty and airy elegance to your balcony, garden, or windowsill with Cosmos bipinnatus. Loved for its delicate, daisy-like blooms and feathery foliage, Cosmos adds a light, natural charm to any space. Fast-growing and incredibly easy to care for, it’s a perfect choice for beginners, nature lovers, and anyone who enjoys a relaxed, seasonal flowering display.

Key Features

• Long Flowering Season: Blooms generously from late spring through autumn under warm conditions.

• Light & Graceful Appearance: Tall, slender stems with soft foliage create a natural, meadow-style look.

• Vibrant Colors: Available in pink, white, purple, and soft bi-color tones.

• Beginner-Friendly: Extremely easy to grow and forgiving of minor care mistakes.

• Pollinator Magnet: Attracts butterflies and beneficial insects to your outdoor space.

Specifications

• Common Name: Cosmos

• Botanical Name: Cosmos bipinnatus

• Pot Size: Width 12 cm × Height 10 cm (plastic or ceramic pot)

• Plant Height (excluding pot): Approx. 30–60 cm (can grow taller outdoors)

• Total Height with Pot: ~40–70 cm

• Flowering Season: Late spring to autumn (ideal for Hong Kong’s warm seasons)

• Recommended Placement: Balcony, rooftop garden, outdoor planter, or bright indoor area with strong sunlight

Care Tips (Newbie-Friendly)

• Sunlight: Full sun preferred (at least 5–6 hours daily) for best flowering.

• Watering: Water when the topsoil feels dry; drought-tolerant once established.

• Fertilizer: Light feeding once a month; avoid over-fertilizing to prevent excess foliage.

• Maintenance: Remove spent flowers regularly to encourage continuous blooming.