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Cosmos Bipinnatus Seeds - Red Shades
SEASON
Annual
USDA ZONES
3 - 10
HEIGHT
24 inches
BLOOM SEASON
Spring through summer
BLOOM COLOR
Red
ENVIRONMENT
Full sun
SOIL TYPE
Well-drained, pH 6.1 - 7.4
DEER RESISTANT
Yes
HOUSE PLANT
No
About...
Cosmos (Cosmos Bipinnatus Sonata Red Shades) - The Sonata series combines a compact mounded form with massive flowering! Easy to grow, they tolerate heat and dry conditions once established. Cut often for armloads of red colored blossoms.MORE COSMOS OPTIONS
Planting Directions
TEMPERATURE
70 - 85F
AVERAGE GERM TIME
14 - 21 days
LIGHT REQUIRED
Yes
DEPTH
1/16 inch
SOWING RATE
6 seeds per plant
MOISTURE
Keep seeds moist until germnination
PLANT SPACING
12 - 16 inches
Cosmos (Cosmos Bipinnatus Sonata Red Shades) - The Sonata series combines a compact mounded form with massive flowering! Easy to grow, they tolerate heat and dry conditions once established. Cut often for armloads of red colored blossoms. Beautifully uniform, heat tolerant, 2 feet tall and 10 - 12 inches wide plants have lush, medium green, fern-like foliage. Plant Cosmos Sonata Red Shades massed in garden beds or in patio containers for nonstop color from late spring into fall. They also make great cut flower are flower to hand pick.
For the best flower production plant in soils of average fertility with moderate water. Cosmos plants tolerate heat, drought, and poor soils. Remove spent blooms to promote additional flowers. Cosmos will usually self-sow if some spent blossoms are kept on plants. Cut flowers typically last 5 to 9 days when blooms are cut as petals unfold. Flowers fully open in vase. Cosmos attract birds, bees and butterflies.
Directly sow Cosmos Bipinnatus seeds into prepared seed beds after danger of frost has passed. For a natural setting, the flower seeds can be scattered onto the prepared soil. Lightly rake the soil over the seeds at a depth of 1/16 inch and keep the area moist.
Common Questions
Why haven’t my plants bloomed?
Over fertilizing will give you beautiful plants but no flowers.
Can I start inside?
Cosmos is very easy to start outside and does not need to be started inside, however you can start them inside 6-8 weeks before the last frost.
Can I use cosmos as a cut flower?
Yes, the best time to pick them is right after the flower opens. Foliage can also be used as greens in an arrangement.
Does cosmos attract beneficial insects to my garden?
Yes, it attracts pollinators such as bees and butterflies, as well as other beneficial insects.
Where should I put in my flower bed?
Due to their height place them in the back of the flower bed. It can also be used as a temporary screen to cover up unsightly elements. Shorter varieties can be used in mixed borders and containers as well.
How can you keep cosmos flowers coming back every year?
Cosmos are annual plants that perish with the first frost, yet they can self-seed for the next growing season. After the flowering season ends in autumn, allow the flower heads to remain on the plants for seed dispersal and self-sowing. These seeds will remain inactive during winter and sprout in spring when temperatures hit 75 degrees Fahrenheit.
How long can cosmos live?
Cosmos is an annual plant that lives one growing season After flowering, the Cosmos plant will gradually weaken and eventually die back.
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