My DOD(Dear old Dad) was born and raised on a farm in Pomona CA and he could tell what strain of corn an ear of corn was by looking at the number of rows and the smell of an ear. He taught me not about corn but about "thumping" melons.
Sure wish I had paid more attention to the corn thing. I have found that Trader Jo's corn is one of the best tasting we can buy here. It isn't pretty, husks aren't perfectly green, not all ears are identical and the kernels are all one color. We see lots of corn for sale here all year long but TJ's only has corn about three months a year, just like the old days. Cost starts out high and tapers off and then get high again Corn at Von's or Kroger is almost always the same and available all year long.
The old Irvine Ranch in Orange County had peaches and tangerines that were ripe and full of flavor, now it is a housing subdivision. We have been to Harry and David's in Medford OR at the end of peach season. They have huge field boxes of peach culls at like $0.10 apiece. Great to make ice cream and jam from.
Miss the good old days but I have outlived almost my entire family back to the Great, Greats. A trade off I guess.