Cockscomb (Celosia argenta)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Annual

Cockscomb
Celosia argenta


 
Features
A large plant group which has great variety in flower type from the cockscomb type to the feather type to the wheat type. All good for the sunny, dry border. 
 
Culture
Full sun in well-drained soils. Regular watering helps to maintain flower and foliage quality. Will tolerate dry, porous soil. 
 
Cultivars

Cockscomb Type

  • 'Prestige Scarlet'
  • 'Red Chief'
  • 'Fireglow'

Feather Type

  • 'New Look' series
  • 'Castle' series
  • 'Century Red'
  • 'Fresh Look Red, Yellow'

Wheat Type

  • 'Flamingo Feather'
  • 'Enterprise' series
  • 'Ksomos Purple Red'
 
 
Mature Height
8-24 Inches (8-24 inches tall depending on cultivar)
 
Size
Medium
 
 
Annual Hardiness Type
Tender Annual
 
 
Bloom Color
Orange
Red
Yellow
 
 
Bloom Season
June - October
 
Soil Conditions
Dry
 
 
Exposure/Light Requirements
Full Sun
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Herbicide Injury


Additional pests and problems that may affect this plant:

Pythium root rots, leaf spots, botrytis

Cool wet weather affects flower quality and establishment in the spring.

 
Additional Notes
Plants left too long in the pots or cell paks before planting often result in poor, stunted garden plants. Buy young, vigorous, non-flowering plants and plant them without delay.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic