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Honeybloom Haven

Cosmos, Rubenza

Cosmos, Rubenza

Regular price $5.00 CAD
Regular price Sale price $5.00 CAD
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Cosmos bipinnatus

Type:

Rubenza is a stunning variety of Cosmos known for its unusual and richly colored blooms. This annual plant can grow up to four feet tall and has slender stems with feathery green foliage. 

Rubenza Cosmos sports an unusual color for Cosmos - blooming in deep burgundy and ruby and finally fading to shades of rose, creating a bold and dramatic color scheme. These single flowers are early to bloom and continue well into fall with regular deadheading.

Minimum Seeds per Packet: 10

General Care Information

Lifecycle: Annual

Frost Hardy: No

Bloom Color(s):

Light: Full Sun (6+ hours)

Water Needs: Moderate (~1 inch per week)

Fertilizer:

  • Average Fertilizer Needs

Other Info:

Planting Tips

Ideal Germination Temp: 70-75 degrees F

Seed Planting Depth: 1/8"-1/4"

Days to Sprouting: 7-14 Days

Plant Spacing: 10 inches

Plant Height:

Other Info:

Growing & Harvesting Tips

  • Vigorous, long vines can reach 10-15 feet and need support.
  • Harvest frequently to keep plants productive.
  • Mulch soil to retain moisture & keep roots cool
  • When vines reach the top of the support, pinch the vines to force plants into heavier bean pod production
  • Harvest in the morning when sugar content is highest, if eating fresh

Diseases & Pests

Diseases:

Pests:

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