Geranium (Pelargonium x hortorum)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Annual

Geranium
Pelargonium x hortorum


 
Features
Popular bedding and container annual. Many colors and leaf variegations available. In addition to the zonals, ivy geraniums are available for use in baskets and as a "geranium groundcover." 
 
Culture
Full sun in moist, fertile, well-drained soil. 
 
Cultivars
  • 'Orbit' series
  • 'Pinto' series
  • 'Galleria' series
  • Showcase' series
  • 'Fantasia' series
  • 'Tornado' (ivy)
  • 'Summer Showers' (ivy)
  • 'Colorcade' series (ivy)
 
 
Mature Height
12-18 Inches
 
Size
Small
Medium
 
 
Annual Hardiness Type
Tender Annual
 
 
Bloom Color
Bi-color
Pink
Red
Salmon
White
 
 
Bloom Season
May - October
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Pests and Problems
 
Additional Notes
Avoid overwatering during hot weather. Deadheading needed to maintain good blooming plants and to lessen botrytis.

 

 
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