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

Sparks 129

• Budbreak
  April 23
• Average first pistillate bloom date
  April 27
• Mean pistillate bloom date
  May 6
• First pollen shed date
  May 15
• Flower type
  Protogynous
• Season length
  125 days
• Harvest date
  Sept. 28