USDA: 5a - 11 RHS: H - FT EGF: H1 - G2 Australia: 1 - 5
Care Level
low, easy, suitable for beginners.
Height
30 - 60 cm (1 - 2 ft)
Spread
30 - 60 cm (1 - 2 ft)
Light
full sun
Soil Moisture
low to average, well-drained
Soil Type
loam to sandy
Soil pH
acidic to alkaline
Description
The annual Cosmos sulphureus 'Cosmic Yellow' (sulphur cosmos) bears showy and bright yellow blooms during early summer to mid fall. The matte foliage is medium green in colour and fine in texture.
Typical Uses
Bedding plant, border, container, cut flowers and wild flower.
Special Characteristics
This annual attracts birds and butterflies to your garden. Cosmos sulphureus 'Cosmic Yellow' tolerates drought, and is noted for being naturally resistant to pests.
Cautions
The growth rate of Cosmos sulphureus 'Cosmic Yellow' (sulphur cosmos) is very fast and you should plan for this in your garden design and layout. Self-sowing, this plant can spread broadly and randomly where conditions are ideal for the seeds to germinate. However, this can be a benefit if you plan to use this plant in naturalizations.
