I'm interested in finding some walnut trees that are producing nuts -- hopefully before they harden in a month or so. I want to grab a couple dozen of the unripe, green fruits to make nocino (a walnut liqueur). (I could buy them, but where's the fun in that?)

If anyone has any tips of some trees on public land or if you have some in your yard that you'd allow me to scavenge from, let me know!