No, we can't. There are a dozen coincidences conspiring to make wheat more valuable than gold.
Crop failures in Australia downgrade wheat harvest projections
Disease and crop failures are destroying wheat fields worldwide
So, is there something else we can eat? Corn? Bioethanol put that out of everybody's reach as long as those policies are in place.
Most crops require pollination, temperatures above 20 degrees celsius for more than twenty minutes a year and at least a little water now and then.
The death of pollinators is continuing unabated
Permaculture lab underground is looking like a damn good idea right now, isn't it? I know it is, but I'm way behind schedule. I have to finish the Sparkgap quonset before I can start on the Permaculture lab construction.
My advice is look good and hard at potatos and grow them on your own piece of land.