Peter Henry III Aster is a compact native perennial with a dense upright-spreading smooth rich green lance like foliage. Clusters of blue lavender double flowers bloom from late summer until frost. Grows best in full sun and rich, medium to dry well-drained soils.
Syn with 'Peter III Blue' and 'Yopeter the Third'.
| Type: | |
| Origins: | East Coast of N. America | 
| Height: | 1’ - 2' | 
| Spread: | 1’ - 2’ | 
| Spacing: | 2’ | 
| USDA Hardiness Zone: | 3 - 8 | 
| Culture: | |
| Bloom Color: | Purple | 
| Season of Interest: | 
MAINTENANCE NEEDS: Low Maintenance Plant. Susceptible to powdery mildew if in poorly-drained soil. Cut stalks after flowering to prevent self-seeding.
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Wildlife Gardens, Naturalized Areas, and Containers.
COMPANION PLANTS: Goldenrod, Marsh Blazing Star, Big Bluestem
IMAGE: Photo by Syngenta Flowers, Peter™ III Blue
*As plants have ranges in appearance they may not appear as the images shown.
 
             
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
    
  
 
  
 
    
  
 
    
  
 
    
  
 
    
  
