In the northern region of the Sonoran Desert, surrounded by five mountain ranges and 350 days of sunshine, lies Tucson where native edible plants grow. The saguaro, barrel and nopal cacti are staples ...
Q: I'm trying to identify the tree in the photo. I've been told that the nuts are not edible. Can you help? - Scott Bundy. A: The tree in the photo is black walnut, Juglans nigra, and it's a ...