Cosmos Species, Klondike Cosmos, Orange Cosmos, Sulphur Cosmos
Cosmossulphureus

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

Synonym:Bidens sulphurea

Synonym:Coreopsis sulphurea

Category

Annuals

Water Requirements

Drought-tolerant; suitable for xeriscaping

Sun Exposure

Full Sun

Foliage

Smooth

Foliage Color

Unknown

Height

24-36 in. (60-90 cm)

Spacing

9-12 in. (22-30 cm)

Hardiness

Not Applicable

Where to Grow

Unknown

Danger

Parts of plant are poisonous if ingested

Bloom Color

Red
Orange
Bright Yellow

Bloom Characteristics

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

Bloom Size

Unknown

Bloom Time

Mid Summer
Late Summer/Early Fall

Other details

May be a noxious weed or invasive

Soil pH requirements

7.9 to 8.5 (alkaline)

Patent Information

Non-patented

Propagation Methods

From seed; direct sow outdoors in fall
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