Panicle Hydrangea (Hydrangea paniculata)-Hort Answers - University of Illinois Extension
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