Your wife is the first person I've come across who is allergic to Amaranth. That's too bad. I eat it regularly during the summer and I freeze a lot of it, too, for using it anytime of the year. It's a great green. You are lucky with all that purslane and barrel cactus fruit! There is so much out there -- we can't even learn about it all in our lifetimes, let alone eat it all! It won't stop me from trying, though! You, either, it sounds like! :D