Keep the soil mix evenly moist and cover the sprouted potato greens with compost mix as they come up.
Growing potatoes in dog food bag.
Plant two three or four potato seed pieces in the soil cover with a couple inches of soil and water them well.
You want the the soil moist but not wet.
Fill with just enough medium to cover the tops of the tubers.
You would have to create drain holes as bags that are made from the tarp materials like the reusable grocery store bags are water tight and you don t want your potatoes to be waterlogged.
When the potato plants get about 6 to 8 tall it is time to add more soil and straw to the bag.
Keep the potatoes well watered but not soggy.
Growing potatoes is a hugely satisfying experience and doesn t require a large portion of your garden for a successful crop potatoes are also fantastic fun t.
Continue to water as needed to keep the deep plant roots moist not wet.
Each bag is capable of holding six to eight sprouting potatoes.
Roll the bag down so it s only a few inches taller then the dirt and then water them.
Then spread the potatoes evenly across the surface and add an additional 3 inches of soil mix on top.
Fill a grow bag with 4 inches of a 60 40 mix of compost and topsoil.
Then fill your growing bags almost to the brim with soil mix.
Double up the bags and roll down the edges about eight to 12 inches.
With a few modifications you can turn an old bag that would normally be thrown away and turn it into a potato growing sac.
This mimics the traditional hill method of potato growing.
Add enough soil so that just the top few leaves poke through the dirt.
Place the bag where it can get plenty of sunshine and remain cool not a hot area like on a concrete patio or against a hot wall.
As the potato plants grow you ll want to add a few more inches of dirt every few weeks unrolling the bag a little more each time.
As the potato plants grow continue to unroll the bag and add more soil.
Placing the potatoes in a cardboard box mesh bag or basket in a very cool 45 50 degrees f dark dry and well ventilated room will give your potatoes the best chance of long storage time.