I don't know if my potato plant is ready to harvest. There are two potato plants in the pot. One looks dead, and the other one does not. Potatoes have also been poking through. The flowers have bloomed and since shriveled. I live in a Continental climate. I am new to potatoes and gardening in general. Please help me.

Images of plant:
https://postimg.cc/gallery/SYL...

They're ready to harvest now except for the one with the green stems still. Leave that one alone and pull the others out whenever you're ready for them.

@pepper23 How do I harvest only the left potatoes?

You will stick your hands in the soil and feel around. You can see where the ones with the green stems are above the soil. The rest you just harvest by hand instead of dumping the pot and leave the ones with the green stems attached. Or just leave all the potatoes in there until those are ready to go as well. It won't hurt the potatoes at all, just make sure not to water them so that the greenery dies back. Any potatoes that are still green like that aren't safe to eat. But it's not hard to tell which are which since the only ones that aren't ready are the ones with the green stems attached. The rest will be ok.

Thank you so much @pepper23. I will not eat/cook the green ones. How should I store the potatoes? Thank you for helping when they weren't ready to harvest and when they were. I also have onions but I'll wait to ask questions when they start to bolt. Thanks.

Assuming you are not going to store them over winter, dump the pot and use.

Total die off is for if you are going to store for months.
As is they will store for quite some time as long as they are in a dry cool dark area, NOT in the fridge.

I eat green spuds often; as long as you do not eat a large amount they are of no concern.

RpR said:

Total die off is for if you are going to store for months.
As is they will store for quite some time as long as they are in a dry cool dark area, NOT in the fridge.

I eat green spuds often; as long as you do not eat a large amount they are of no concern.

thanks for posting @RpR - I was unsure about both those.