Reviewed March 2022 September 2017 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 file_copy Reprint guidelines insert_comment Share Feedback Publication No. XM1001 Contents Compare the nuts of walnut cultivars side by side Growth characteristics of selected black walnut cultivars Characteristics definitions Beck Bowser Brown Nugget Cranz Crosby Davidson Drake Elmer Myers Emma K Football Grundy Hare Harney Hay Higbee Mill Jackson Knuvean Kwik Krop Mintle Mystry Neel #1 Ness Ogden Ohio Patterson (Emma K) Pound #2 Pritchett Rhower (Thomas) Sarcoxie (Kwik Krop) Sauber #1 Sauber #2 (Sparrow) Schessler Scrimger (Sparrow) Shreve South Fork Sparks 127 Sparks 129 Sparks 147 Sparrow Surprise Thomas Thomas Myers Tomboy Wiard Pagination First page « Home Previous page ‹ Previous Next page Next ›