Cosmos bipinnatus Rubenza | Cut Flower

Cosmos bipinnatus 'Rubenza' is a stunning, deep ruby-red cosmos variety that brings a touch of elegance and drama to any garden. Its large, daisy-like flowers start as rich red blooms and gradually soften into warm pink shades, creating a beautiful ombre effect throughout the season. A favorite among gardeners and florists, 'Rubenza' is easy to grow, highly productive, and attracts bees and butterflies, making it an excellent choice for cut flower gardens, borders, and pollinator-friendly landscapes.

Why Choose Cosmos 'Rubenza'?

✔ Unique ruby-red blooms – Rich red tones fade beautifully to soft pink
✔ Long blooming season – Flowers from summer to autumn
✔ Perfect for cut flowers – Strong stems & excellent vase life
✔ Low maintenance & easy to grow – Thrives in full sun and well-drained soil
✔ Attracts pollinators – A favorite of bees and butterflies

Growing Information:

• Plant Type: Annual
• Height: 60–90 cm
• Blooming Season: Summer – Autumn
• Flower Size: 8–10 cm
• Sun Exposure: Full sun
• Best Uses: Borders, cut flower gardens, pollinator gardens, mass plantings

Sowing & Germination:

• Germination Time: 7–10 days at 20–22°C
• Transplanting:
  • Sow indoors 5–7 weeks before the last frost
  • Use 50-cell plug trays or preferred seedling containers
  • Lightly cover seeds and harden off before transplanting
• Direct Sowing:
  • Sow after last frost once the soil temperature is above 16°C
  • Cover seeds lightly with soil
• Pinching: Encouraged to promote branching and more blooms

Soil & Care Instructions:

• Soil Requirements: Well-drained, moderately fertile soil
• Watering: Moderate; avoid overwatering
• Deadheading: Encouraged to extend blooming season
• Fertilization: Light feeding encourages more blooms

Harvesting & Floral Use:

• Best Harvest Stage: When petals just start opening
• Perfect for: Fresh cut bouquets, floral arrangements, and pollinator-friendly gardens

Additional Benefits:

• Attracts bees & butterflies – Supports local pollinators
• Thrives in warm, sunny conditions – Ideal for summer gardens
• Versatile for home & commercial growers – A standout variety for floral markets

Transform your garden with the mesmerizing beauty of Cosmos bipinnatus 'Rubenza'. Order your seeds today and enjoy a season full of breathtaking blooms!