Scarlet Firethorn (Pyracantha coccinea)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Shrub

Scarlet Firethorn
Pyracantha coccinea

Scarlet Firethorn fruit
Scarlet Firethorn fruit
 
Features
Clusters of small white flowers in early summer (flowers have a mildly unpleasant fragrance); shiny green leaves are semi-evergreen in zones 6 and 7 and evergreen in zones 8 and 9; bright red-orange fruits are borne in clusters from late summer into early winter. 
 
Culture
Full sun to partial shade; moist, well-drained soil is best, but will tolerate dry soil; tolerates alkaline soils. 
 
Cultivars
  • 'Kasan' - Hardy to zone 5, orange-red fruit, 10 feet tall, susceptible to scab
  • 'Lalandei' - Hardy to zone 5, orange-red fruit, 10-15 feet tall, susceptible to scab
 
 
Mature Height
6-12 Feet
 
Size
Medium
 
 
Mature Width
6-12 Feet
 
Mature Form
Upright and open to rounded 
 
Native To:
Europe and Asia 
 
USDA Hardiness Zone
6 - 9 
 
Soil Conditions
Dry
Moist, Well-Drained
 
 
Tolerance
Alkaline Soil
Dry Sites
 
 
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
 
 
Uses
Barrier
Hedge
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Green
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Insect Damage


Additional pests and problems that may affect this plant:

Fireblight, scab, twig blight, aphids and scale are all common problems.
 
Additional Notes
Stems are thorny.

 

 
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