Home / Guides / Plant Files / Asteraceae

Klondike Cosmos, Sulphur Cosmos, Orange Cosmos 'Solar Flare'

Cosmossulphureus

Upload Image Print Article
Upload Image Print Article
Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Cosmos (KOS-mus)
Info
Species
sulphureus (sul-FER-ee-us)
Info
Synonym
Sun Exposure
Full Sun
Foliage
Smooth
Height
24-36 in. (60-90 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger
Parts of plant are poisonous if ingested
Bloom Color
Red
Red-Orange
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

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

Unknown - Tell us

Other details
May be a noxious weed or invasive
Soil pH requirements
7.9 to 8.5 (alkaline)
Patent Information

Unknown - Tell us

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
Regional
View this plant in a garden
2 members have or want this plant for trade

Featured Videos

Gardener's Notes:

Post Comment
0
positive
0
neutral
0
negative
Sort By:
Post Comment
Sort By:
Popular Plants
SEE ALL
Iris
Peppers
Hydrangeas
Hostas
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
(Praxis porphyretica)
BIRD FILES
White-breasted Sunbird
(Nectarinia talatala)
Quick Links
View All Families
View All Genera
View All Species
Freeze/Frost Dates
PlantFiles FAQ
Plants with no Photos
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
(Praxis porphyretica)
BIRD FILES
White-breasted Sunbird
(Nectarinia talatala)