Cosmos ‘Rubenza’ – Flower Starter Plant
- Brand: Petrolia Bloom Co.
- Availability: Out Of Stock
- SKU:
Cosmos ‘Rubenza’ is a standout cut flower variety featuring rich, shifting tones from deep cranberry red to soft antique rose with warm amber undertones. As blooms mature, the colour variation creates depth and movement in bouquets, making it a highly sought-after variety for both fresh arrangements and market sales. ...
$3.00
Cosmos ‘Rubenza’ is a standout cut flower variety featuring rich, shifting tones from deep cranberry red to soft antique rose with warm amber undertones. As blooms mature, the colour variation creates depth and movement in bouquets, making it a highly sought-after variety for both fresh arrangements and market sales.
Plant Details
Botanical name: Cosmos bipinnatus
Common name: Cosmos
Plant type: Annual
Height: 36–48 inches
Growth habit: Upright, branching, airy
Growing Information
Sun requirements: Full sun
Spacing: 9–12 inches
Soil: Average, well-drained soil; thrives in lower fertility
Watering: Moderate; drought tolerant once established
Care & Maintenance
Pinching: Pinch early to encourage branching and increased stem production
Support: May benefit from light support in exposed areas
When to plant: After danger of frost has passed
Harvesting
Harvest when blooms are just beginning to open. Regular cutting encourages continuous flowering throughout the season.
Post Harvest Care
Place immediately in clean water. Cosmos have a moderate vase life and benefit from frequent water changes.
Pest & Disease Notes
Low maintenance. Monitor for aphids and provide good airflow to prevent mildew.
Grower’s Notes
A highly productive variety with exceptional colour variation. The tonal shift from deep red to soft rose makes this an excellent focal and blending flower in bouquets. Ideal for both field production and cut flower sales.
