Common Cosmos, Mexican Aster 'Daydream'

Cosmosbipinnatus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Cosmos (KOS-mus)
Species
bipinnatus (by-pin-NAY-tus)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
Not Applicable
Danger
Parts of plant are poisonous if ingested
Bloom Color
Pink
Magenta (pink-purple)
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Annuals
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Madison, Mississippi

Manchester, New Hampshire

Kalama, Washington

Lakewood, Washington

Madison, Wisconsin

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Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
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T
(Pony) Lakewood, WA (Zone 8a) | August 2009 | neutral

The flowers are a little bland looking, I think. And all of mine sprawled badly, whereas the taller "Dazzlers" around them didn't. I don'...Read More

R
Madison, WI (Zone 5a) | October 2006 | positive

The flowers are smaller than other cosmos I've seen (only about 2 inches?), but the plants were very floriferous so overall the effect wa...Read More

F
Manchester, NH | September 2005 | positive

Every year I grow a different cosmos. This one I grew with Dwarf Sunny Red and they look beautiful together.

B
Asheville, NC | April 2005 | neutral

Pretty flower, but not nearly as prolific as the Sensations...I was pretty disappointed overall. This year I'm trying Picotee.

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