The Covid Virus has put our travel plans on hold until this spring. But this will mean that we will be away from our annual gardens for this upcoming season. My question is, how should one best take care of our garden plots during our absence. We do not plan on planting any annual flowers or vegetables. I do not want our plots to merely grow up in weeds, so what is the best crop to sow and how should it be handled? We live in Zone 5, central US.