Snapdragon (Antirrhinum majus)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Annual

Snapdragon
Antirrhinum majus

The cultivar 'Candy Corn'
The cultivar 'Candy Corn'
 
Features
A long time favorite with excellent performance during the cooler times of the year. Good for early spring and fall planting. Very cold tolerant. Range of heights from tall cutting types to border plants to trailing types. Traditional flower shape to open face varieties.  
 
Culture
Full sun to light shade. Prefer cooler times of the year. Well-drained soils that tend toward alkaline pH. Excellent if planted mid to late summer as they will do well until very hard frost kills them.  
 
Cultivars
  • 'Rocket' 3' tall
  • 'Liberty' 3' tall
  • 'Sonnet' 3' tall
  • 'Solstice' 12"-18" tall
  • 'Tahiti' 6"-12" tall
  • 'Luminaire' (trailing)
  • 'Chandelier' (trailing)
  • 'Ribbon' series 12"-18" tall
 
 
Mature Height
6 Inches - 3 Feet
 
Size
Small
Medium
Tall
 
 
Annual Hardiness Type
Hardy Annual
 
 
Bloom Color
Bi-color
Pink
Purple
Red
White
Yellow
 
 
Bloom Season
May - October
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Herbicide Injury

Insect Damage

Insect Relative Damage


Additional pests and problems that may affect this plant:

Mites, downy mildew, rust, fungal leaf spots, wilts, root rots

Rotate snapdragons to help lessen rust problems. Plant rust resistant varieties. Provide good drainage.

 
Additional Notes

Tall cultivars may need staking. Trailing types require good drainage. Remove spent flower spikes to promote rebloom and to keep the plant from dying back.

Attracts butterflies.

 

 
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