What fun! Here's a look at the potato towers at the Stamford Museum and Nature Center.
Constructed by Will Kies, Director of Education and Heckscher Farm, they are already leafing out. Will did 4 nests per tower.
See link below for specific directions:
And the most fun part - harvesting! Kick the tower and out roll lots of potatoes. No blemishes from digging tools. Just beautiful, perfect potatoes.