• Project description and varieties listing (features' overview)
• Catalog with pictures and variety description - list of over 250 varieties ... search for vine length to find the best cultivars to use in bags - containers - towers.

Potato Growing Bags can be used on a deck, concrete ... without digging ... but it will be very difficult to control the best moisture level for the potato vines! Water too much and the tubers will rot, water too little and the yield will be smaller.

We recommend to sink the bag 4" in the soil

• first fold the bag back 4"
• cut an 18" circle with a spade
• remove 4" of top soil and place the bag in the hole
• fill the bottom 2" of the bag with rich compost (we are testing a sand - compost mix to see how the root system development changes) - about 4 large shovel loads.
• place the seed (one in the center - 5 in a star shape) - we recommend to use small whole tubers - walnut to small peach size - because cut pieces rot faster, while large tubers may not rot at all ... but are no longer edible, and may be difficult to recognize when you harvest.

• Notice in the picture one seed piece is placed in the center - the main objective of this growing method is to learn how high up the vines of different varieties set tubers! The vines that grow around the center will help you to retain more dirt in the center - the center vine will have the deepest growth area.
• we recommend to only use one potato variety per bag - different varieties likely have different growing habits ... too difficult to manage!
• cover the seed pieces with 2-4" of growing matter (we are testing mixes of compost, dirt, sand, mulch, leaves) ... and will report on the results.
• make sure you stay on top of the filling task as the vines grow!!! Don't let the vines stay exposed to light for too many days. Light hardens the vines, and you will get no tubers from that point up!
• once the vines reach the top of the folded bag, unfold the top 4" and keep adding growing matter
• sink your hand in the bag to "steal" tubers ... depending on the variety ... you may be able to find tubers after 50 to 100 days
• you can wait to empty out the bag after the vines have completely died back.
• weigh the tubers and report back to us ... you can credit on these web pages if you can provide these details:
  • cultivar / variety name
  • source of the seed
  • confirmation that you have started with 6 tuber pieces
• weight in pounds or kilograms of total yield (including early steals)

In order for others to compare your results, we need to use the same units of reference (please use 6 seed pieces per bag)!

Please make sure to return to this web page at the end of the 2010 growing season to compare yields. We have more than 100 bags being used with almost as many different varieties (very few modern cultivars, most are heritage varieties).

As my personal collection of potato varieties keeps growing in size, I'm concerned with how much space is needed. Here are more benefits for the potato collector:

• One variety per bag, no need to space between varieties to keep different varieties separated.
• More seed pieces per bag (six) - as seed crowding should yield smaller tubers, which is the best size for next year's planting.
• In this picture you count 20 bags placed on a plot of 3 x 18 feet - in the same area I usually plant 9 varieties in a traditional furrow (27 seed pieces), while these bags contain 6 x 20 = 120 seed pieces, or almost 4.5 times more.

Farmers measure potato yields in hundred of pounds per acre - which makes it quite complicated to compare garden yields to field yields. These web pages are developed for the pleasure of gardeners. Please return to see the comparisons of crop yields grown in traditional furrows vs. the potato bag / the potato box.

Notice how different varieties will show different growing habits. Some grow faster, some grow taller.

We recommend to plant only one variety per bag.

Varieties will be listed in order of highest yields.

In the bags we only grow one variety. We expect to have at least 110 bags tested in 2010. Click here to see the box page>

In order to compare yields, please build boxes of the same size as shown, and plant 12 seed pieces per box - 2 rows of 6 pieces spaced about 6" apart in the row.

If you use a bag, we suggest to use 6 seed pieces. You may argue that these are too many seed pieces. We argue that more seed crowding produces larger yields.

If you'd like to participate with the Kenosha Potato Project - here are your options:

• If you live in Southeastern Wisconsin - please email me at seedsaver@curzio.com
• If you live somewhere else in the USA or Canada - are you a member of Seed Saver Exchange? We have a few gardener who participate with the Kenosha Potato Project within the Seed Saver Exchange.
• We have members of our Global Potato Network in Europe and are always please to cooperate with any gardener / farmer. Sending seed abroad is restricted or difficult ... but we may find ways to cooperate.
• Also, please visit our "Vertical Growth - 99 lbs in micro plot Challenge web pages" kenoshapotato.com