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

Sparks 147

• Budbreak
  May 3
• Average first pistillate bloom date
  May 11
• Mean pistillate bloom date
  May 15
• First pollen shed date
  May 18
• Flower type
  Protogynous
• Season length
  131 days
• Harvest date
  Sept. 21