University of Illinois Extension

University of Illinois Extension

Hort Answers

Shrub

Panicle Hydrangea
Hydrangea paniculata

Panicle Hydrangea form
Panicle Hydrangea form
 
Features
Large pyramidal clusters of white flowers in summer; flower color changes to pinkish white in late summer and light brown in autumn.  
 
Culture
Full sun to partial shade; moist, well-drained soil is preferred. 
 
Cultivars
  • 'Grandiflora' - Large (12-18 inch) clusters of white flowers (often sold as PeeGee hydrangea).
  • 'Kyushu' - Flowers heavily, even at an early age.
  • 'Pink Diamond' - Large clusters (12 inch) of white flowers turning to a good pink.
  • 'Tardiva' - Flowers late (September).
  • 'Unique' - Large (16 inch long) pure white flower clusters.
  • 'Zwijnenburg' ('Limelight'™) - Lime green flowers change to white, then pink.
 
 
Mature Height
10-15 Feet
 
Size
Medium
Large
 
 
Mature Width
10-15 Feet
 
Mature Form
Upright to irregular 
 
Native To:
Japan 
 
USDA Hardiness Zone
4 - 8 
 
Soil Conditions
Moist, Well-Drained
 
 
Tolerance
Dry Sites
Salt
Wind
 
 
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
 
 
Uses
Border
Specimen
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Green
 
 
Pests and Problems
 
Additional Notes
This species blooms on current year's growth.

 

 
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