56 – 63 days. Cosmic Mix seeds grow an elegant and award-winning cosmos that promises to invigorate any stale flower bed, patio, or room. Cosmic Mix cosmos seeds are hardy outdoor favorites for growing unique sunburst yellow along a walkway or flowerbed, but just as popularly kept indoors. Cosmic Mix seeds promise a smaller 12” cosmos bursting with 2 – 3” daisy-like blooms often used as a fresh cut accent in many seasonal bouquets and arrangements. Cosmic Mix cosmos debuted as an All-American Selections Flower Winner for being "pest and disease free" and "a no fuss annual that will thrive on minimal care." 500 seeds.
Growing Cosmic Mix Cosmos Garden Seeds
- Taxonomy: Cosmos sulphureus
- Other Names: Sulfur Cosmos, Yellow Cosmos
- Seed Type: Annual
- Sow Indoors or Outdoors: Cosmic Mix cosmos seeds are popularly sown outdoors directly after the frost. But for earliest spring blooms, begin seeds indoors 4 – 6 weeks prior and harden off to a sunny place in the garden or decorative planter. Cosmic Mix cosmos is just as popular indoors as out. Germination will take 14 – 21 days in full lighting.
- Days to Maturity: 56 – 63 days
- Hardiness Zone: 2 – 11
- Planting Depth: Lightly press 4 – 6 seeds into soil
- Plant Spacing: 24”
- Growth Habit: 12” tall mounded shrub with a 12 – 15” spread of 2 – 3” daisy-like blooms
- Soil Preference: Average, medium dry, well-drained
- Light Preference: Full sun
- Diseases/Pests/Troubleshooting: Cosmic Mix cosmos is a hardy full sun performer known to be low-maintenance and tolerant to heat and drought. Do not overwater because cosmos will suffer in overly saturated and poorly drained gardens. Plants may reseed for next season, but may do so too aggressively to the point where it becomes invasive. Cosmic Mix cosmos has no serious insects, pests, or diseases.
- Color: Fiery shades of sunburst yellow and orange
Cosmic Mix cosmos seeds are popularly sown outdoors directly after the frost. But for earliest spring blooms, begin seeds indoors 6 – 8 weeks prior and harden off to a sunny place in the garden or decorative planter. Cosmic Mix cosmos is just as popular indoors as out. Germination will take 14 – 21 days in full lighting. Lightly press 4 – 6 Cosmic Mix cosmos seeds 24" apart into average, medium dry, and well-drained soil in full sun. Cosmic Mix cosmos is a hardy full sun performer known to be low-maintenance and tolerant to heat and drought. Do not overwater because cosmos will suffer in overly saturated and poorly drained gardens. Plants may reseed for next season, but may do so too aggressively to the point where it becomes invasive. Cosmic Mix cosmos has no serious insects, pests, or diseases. Cosmic Mix cosmos seeds mature in 49 – 63 days as 20 – 24” tall mounded shrubs with a 24 – 36” spread of 2 – 4” daisy-like blooms.
Cosmic Mix cosmos debuted as a 2000 All-American Selections Flower Winner for its "abundant bright orange 2" blooms", "basically pest and disease free", and "a no fuss annual that will thrive on minimal care." Although not as aggressive as other varieties of cosmos, Cosmos sulphureus grows so effortlessly in the United States that it is considered an invasive species in many counties throughout the lower half of the states.