On Thursday, April 26, 2018 at 3:19:20 PM UTC-4, Pavel314 wrote:
Last fall, we gathered several pails of black walnuts at a friend's farm. She has several large trees, which produce more nuts than she can use. I planted 32 in the back row of the garden and eight in seed trays but nothing has sprouted. I would have expected at least a few of the 40 planted to produce trees, as that's what nuts are for, at least from the point of view of the trees.

Paul

Could be that squirrels got them.