• Deep red cosmos rubenza flowers with yellow centers growing in a green garden.
  • Deep red cosmos rubenza flowers with yellow centers growing in a green garden.
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Cosmos Seeds - Rubenza

Mauve and magenta blooms are a rare find

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About the Variety

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Key Features

Heat Tolerant
Drought Tolerant
Prefers Lean Soil
Container Friendly
Attracts Bees
Attracts Butterflies
Fast Growing
Easy to Grow
Perfect for Cut Flowers
Perfect for Borders
Deer Resistant
Rabbit Resistant

Plant Details

BOTANICAL NAME

Cosmos bipinnatus

LIFE CYCLE

  • Annual

LIGHT REQUIREMENT

  • Full Sun

DAYS TO MATURITY

  • 60 to 90 days

GROWTH HABIT

  • Clumping

PLANT HEIGHT

  • 48 inches

COLOR

  • Pink

Rubenza Cosmos are easy to grow and long lasting. Their uniquely colored pink and magenta blooms grow fast and attract pollinators.

  • Easy to grow annual with uniquely colored blooms
  • Open pollinated with long-lasting Summer blooms
  • Thrives in bright, sunny growing areas

Planting Information

PLANTING SEASON

  • Spring

SOWING METHOD

  • Direct Sow

PLANTING DEPTH

  • 1/4 inch

WATER NEEDS

  • Low

PLANT SPACING

  • 9 to 12 inches

HARDINESS ZONES

  • N/A - Annual

SEED PREP

  • Requires Light

COVERAGE

Amount Avg Seed Count Recommended Coverage
Packet 20 Up to 80 Sq. Ft

Planting Guide

View our Cosmos Planting Guide to learn more.

Ready to Grow

We guarantee that our seeds & bulbs will be true to type and ready to thrive. If something doesn't grow as expected, we will make it right. Questions? Call us at 855-440-2929

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Cosmos Seeds - Rubenza FAQs

What is Rubenza Cosmos also known as?

Rubenza Cosmos is also known as Mexican Aster.

Is Rubenza Cosmos resistant to animals or disease?

Rubenza Cosmos is deer resistant, meaning deer generally avoid it due to its taste, texture, or aroma.

What type of seed is Rubenza Cosmos?

Rubenza Cosmos is an open pollinated seed.

Grown by Our Community • All cosmos