Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars

Sparks 127

• Budbreak
  April 25
• Average first pistillate bloom date
  May 7
• Mean pistillate bloom date
  May 12
• First pollen shed date
  May 16
• Flower type
  Protogynous
• Season length
  118 days
• Harvest date
  Sept. 4