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Cosmos bipinnatus

Annual Cosmos

Plant photo of: Cosmos bipinnatus
Information by: Jerry Sortomme Editor        Photographer: Steve Mullany

 

Description

Cosmos bipinnatus is an annual. Depending on the cultivar, it reaches 3'-6' high and 1.5'-2.5' wide. Blossoms with tufted yellow centers and rays in white and shades of pink, rose, lavender, purple, or crimson, bloom in spring and summer. Deadhead to encourage more blooms. Cosmos will self-sow. It prefers full sun and well-draining soil.

 

Sun

Full, Half

Water

Low

Growth Rate

Fast

Soil Type

Sandy, Clay, Loam, Rocky, Unparticular

Soil Condition

Average, Well-drained

Soil pH

Neutral

Adverse Factors

n/a

Water Saving Tip:

Change spray sprinklers to low-flow bubbler or drip systems. Shrubs and trees are ideal candidates for this type of irrigation because the water is applied directly to the root zones.