root crops and flooding

I have not gardened in texas for very long and this year is so much rain, I know I will prob lose my potato patch, it certainly is not ready to harvest, and more rain is coming. My onions and garlic are almost ready and sitting in tons of mud and my question is: should I pull them all up even though most of the leaves have not fallen over, and when I do should I wash them off? I know mostly it is good to just brush off the dirt, but in this case they are wet already after the rains last night and I dont have a lot of time before it rains again. How to harvest roots early...?
thanks, sophia

I wish you would send some of that rain my way.

I am sorry I can't make suggestions.

Some produce will continue to ripen if pulled early.

I have no idea about garlic though with onion what you see is what you get.

Is underripe better than rotten?