Cosmos, Mexican Aster
Cosmosbipinnatus 'Xanthos'

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Cosmos (KOS-mus)
Species: bipinnatus (by-pin-NAY-tus)
Cultivar: Xanthos

Category
Annuals

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

Sun Exposure
Full Sun

Foliage

Foliage Color

Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness
Not Applicable

Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual

Danger
N/A

Bloom Color
Pale Yellow

Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

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; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored