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Cosmos, Rubenza

(8 customer reviews)


Cosmos, Rubenza – 50 Seeds

In stock

Cosmos, Rubenza – 200 Seeds

In stock

Cosmos, 'Rubenza', Cosmos bipinnatus - 50 or 200 seeds avg

Large blooms in dreamy shades of cranberry, ruby-red, and rose. Easy to grow.

Planting Tips:
  • A warm-season annual that prefers full sun.
  • Plant after danger of frost and once soil has warmed.
  • Start seeds indoors 4-6 weeks before planting date or cast seeds directly in the garden, spacing 8-12".
  • Cover seed with soil; allow 5-10 days to germinate.
  • Grows to 36-48” tall.
  • Pinch when 8" tall to establish a more robust, branching plant.
  • 85-100 days to bloom.
Harvesting Tips:
  • Cosmos make an excellent cut flower when harvested just as they crack open.
  • Make the cut at the base of the stem to encourage regrowth.


Additional information

Weight 0.05 lbs
- Qty


8 reviews for Cosmos, Rubenza

  1. Vickie Snyder (verified owner)

    usNorth Carolina, United States

  2. Michael R. (verified owner)

    usTennessee, United States

  3. Lori W. (verified owner)

    usNorth Carolina, United States

  4. Ina (verified owner)

    usIllinois, United States

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