Common Cosmos, Mexican Aster
Cosmos sulphureus 'Cosmic Yellow'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Cosmos (KOS-mus) (Info)
Species: sulphureus (sul-FER-ee-us) (Info)
Cultivar: Cosmic Yellow

Category:

Annuals

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for cutting

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Suitable for growing in containers

Height:

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

Spacing:

12-15 in. (30-38 cm)

Hardiness:

Not Applicable

Sun Exposure:

Full Sun

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Orange

Bloom Time:

Blooms all year

Foliage:

Herbaceous

Other details:

Unknown - Tell us

Soil pH requirements:

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

From seed; direct sow after last frost

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Allow seedheads to dry on plants; remove and collect seeds

Regional

This plant has been said to grow in the following regions:

Barberton, Ohio

Houston, Texas

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Neutral

On May 24, 2011, MelaniePalmero from Davao City
Philippines wrote:

The yellow cosmos is an amazing flower. If you're curious about what it looks like, we've got an beautiful picture of it in our blog. :)

Positive

On Jun 20, 2009, vaalriver from Houston, TX (Zone 9a) wrote:

Doing very well in Houston's blazing summer heat.