She should have left them under the tree. They provide beneficial nitrogen to the soil. Natures way of fertilizing the trees. It is said that tree growth/ health is stronger 3 years post this event.Still none at our place, but when I went to pick up the granddaughter near 71st and Sunnyside on the NE side of Indy Saturday, they were thick. Her other grandma showed me two trash bags full that she had raked up from under 2 trees in their yard.