I’m fascinated by stories about farmers who insist on continuing to grow their traditional crops in unfamiliar or unusual surroundings. They speak to the strength of traditional food cultures, quite apart from representing interesting case studies in on-farm conservation. So I was sad to read this piece about the problems being encountered by Hmong farmers from Vietnam as a result of a recent cold spell in California. I’m sure they’ll cope in the short term, but it doesn’t look like this weird cultural outlier will last beyond the lifetime of the present farmers. All their children seem to be on scholarships to fancy universities. Although, perhaps some of them will study plant genetic resources conservation…