Home / Guides / Plant Files / Asteraceae

Common Cosmos, Mexican Aster 'Happy Ring'

Cosmosbipinnatus

Upload Image Print Article

View Gallery 6 photos

Upload Image Print Article

Family

Asteraceae (ass-ter-AY-see-ee)

Info

Genus

Cosmos (KOS-mus)

Info

Species

bipinnatus (by-pin-NAY-tus)

Info

Synonym

Sun Exposure

Full Sun

Sun to Partial Shade

Foliage

Unknown - Tell us

Height

24-36 in. (60-90 cm)

Spacing

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Hardiness

Not Applicable

Danger

Unknown - Tell us

Bloom Color

Pale Pink

Pink

Rose/Mauve

Bloom Time

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Other Details

Category

Annuals

Water Requirements

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Foliage Color

Blue-Green

Where to Grow

Can be grown as an annual

Bloom Characteristics

Flowers are good for cutting

This plant is attractive to bees, butterflies and/or birds

Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information

Unknown - Tell us

Propagation Methods

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

Direct sow as soon as the ground can be worked

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

Regional

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

Calistoga, California

Milpitas, California

Denville, New Jersey

Ronkonkoma, New York

North Augusta, South Carolina

View this plant in a garden

3 members have or want this plant for trade

Gardener's Notes:

Post Comment

positive

neutral

negative

Sort By:

Post Comment

Sort By:

Popular Plants

SEE ALL

Featured

BUG FILES

Black-and-yellow Mud Dauber

(Sceliphron caementarium)

BIRD FILES

Zone-tailed Hawk

(Buteo albonotatus)

Featured

BUG FILES

Black-and-yellow Mud Dauber

(Sceliphron caementarium)

BIRD FILES

Zone-tailed Hawk

(Buteo albonotatus)

Common Cosmos, Mexican Aster 'Happy Ring'

Cosmosbipinnatus

Featured Videos

Gardener's Notes:

Get to Know Dave's Garden

Follow Dave's Garden