I found an article in the Farmer's Almanac about growing potatoes in old tires. I have three tiers of tires with the green parts coming out the top. When should I try to harvest my potatoes? They are just now starting to bloom.
Certified GKH Gardening Expert
This article should help: https://www.gardeningknowhow.com/edible/vegetables/potato/how-and-when-to-harvest-potatoes.htm