Wildroot Flower Co.

Seed Collection

Cosmos 'Rubenza'

Cosmos 'Rubenza'


Cosmos bipinnatus ‘Rubenza’

Cosmos are a beautiful addition to any perennial or vegetable garden. They have a light airy presence and these bloom filled plants attract beneficial insects and butterflies. This variety attracts and supports pollinators and/or insects that prey on garden pests. It is also a wonderful cut flower.

Planting Instructions:

  1. Seeds should be sown directly in the soil, after the danger of frost and soil temps are above 60 degrees.

  2. This variety prefers a full-sun location (>6 hours)

  3. Plant seeds 1/2” deep and lightly cover with soil. Space seed 9-12” apart.

  4. Be sure to water the seeds in well after planting.

  5. For extended bloom time, plant the seeds in successions, 2-3 weeks apart for blooms all summer long.

  6. Seedlings will emerge 7-10 days after planting.

*90% germination rate - 1 pkg includes approximately 50 seeds - Average maturity 75-90 days.

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