Skip to product information
1 of 4

Matches Seeds

Cosmos Rubenza

Cosmos Rubenza

Regular price $3.99 CAD
Regular price Sale price $3.99 CAD
Sale Sold out
Shipping calculated at checkout.

Cosmos ‘Rubenza’ Seeds
Deep ruby blooms that age into vintage tones—rich, romantic, and unforgettable.

Cosmos bipinnatus ‘Rubenza’ is a stunning variety that brings moody elegance to the garden. Its flowers open in bold shades of deep burgundy-red and slowly fade into dusty rose and antique terracotta, giving your garden a constantly changing palette from summer through frost.

This cosmos stands out in tall borders, bouquets, and pollinator patches. It’s easy to grow, wildly floriferous, and thrives in poor soil—perfect for gardeners who want big impact with little effort.

Why we love it:
• Unusual color shift from ruby to rose
• Attracts bees and butterflies
• Excellent as a cut flower
• Long bloom period—summer to frost
• Easy to grow and drought tolerant

Details:
🌱 Annual
🌸 Height: 2–3 ft | Spread: 1–1.5 ft
☀️ Full sun
🧑‍🌾 Direct sow after frost or start indoors
⏱ Germinates in 5–10 days
📦 Packet contains approx. 50+/- seeds

Deadhead regularly to keep flowers coming. For fuller plants, pinch back seedlings when they’re 8–12" tall. Let a few go to seed at the end of the season for a chance at volunteers next year.

View full details

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)