Common Cosmos, Mexican Aster
Cosmossulphureus 'Cosmic Yellow'

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

Category
Annuals

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Herbaceous

Foliage Color

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
12-15 in. (30-38 cm)

Hardiness
Not Applicable

Where to Grow
Can be grown as an annual

Danger
Parts of plant are poisonous if ingested

Bloom Color
Orange

Bloom Characteristics
Flowers are good for cutting

Bloom Size

Bloom Time
Blooms all year

Other details

Soil pH requirements
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

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