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How to Plant Potatoes

By: Sherri RibbeySherri Ribbey
Thinking about growing potatoes this year? Here are two simple ways to plant potatoes and how to get the best harvest.

You just can't beat the taste of potatoes fresh from your own garden. Here's how to plant potatoes for bountiful harvest this summer.

When to plant potatoes

Seed potatoes are fairly cold-tolerant and can go in the ground in early spring when soil temperatures reach 50 degrees F — about the time dandelions are blooming. But protect any new foliage from late frosts with landscape fabric or an old sheet. Damage caused to the foliage may not kill the plant but could set it back so you don't get as many potatoes as you would have otherwise.

Potatoes do best with full sun and well-drained soil. Don't worry if your soil isn't great, we have a couple of alternative growing techniques for you further down the page.

What to plant

Instead of planting the seed from potato flowers, you'll get easier and quicker results by planting cut-up pieces or small-sized tubers called "seed potatoes". Get certified disease-free seed potatoes from local or online nurseries in early spring. You can also cut up the ones that are sprouting in the pantry.

Which type of potato should I grow?

Sure, you can find a few types of potatoes in the grocery store, but grow your own and the options skyrocket — large, small, long, stubby, red, blue or yellow - there’s a potato for every taste. Local garden centers often have several types, but if you want to experiment, you might explore the offerings of a few of the online sources listed below. Potatoes fall into the six shape and color categories shown in the chart and include dozens of varieties in each one. You’ll find tried-and-true heirlooms that have been around for generations, new varieties with improved taste or disease and pest resistance and everything in between.

Sources for seed potatoes

Potato texture primer

Once you get your potatoes in the kitchen, what it looks like on the outside isn't as important as the interior texture — the mix of starch and water — that tells you how to cook it. Floury potatoes have more starch than water so they’re good for baking; waxy ones have more water than starch and hold up well in salads or during roasting. All-purpose potatoes, as the name implies, are the most versatile and will work for any of your cooking creations. Read the catalog description of each variety to find the potato’s texture.

Potato type Description Best uses Varieties to try
Russet These potatoes have a thick skin that’s light to medium brown. The interior is white to yellow with a fluffy texture when cooked. Baking, mashing and roasting Gold Rush, Burbank, Pioneer
Red A thin red skin and white interior characterize this group. The firm texture holds up well to cooking. Soups, salads, roasting and mashing Norland Red, Strawberry Paw, Adirondack Red
White White potatoes have buff-colored skin with white flesh. They have a waxy, slightly creamy texture and a low sugar content. Frying, mashing, salads, steaming and boiling Superior, Kennebec, Elba
Yellow Thin light tan to golden skin with a yellow interior. It's a waxy potato with a creamy, slightly buttery flavor. Grilling, roasting, mashing and salads Yukon Gold, Natascha, Yellow Finn
Blue / Purple Some have blue or purple skin and flesh, others have colorful skin with a white interior. Blues and purples have slightly earthy taste and hold on to the pretty color when they’re cooked. Roasting, grilling or salads Elmer's Blue, Magic Molly, Purple Majesty
Fingerling There are a variety of colors with fingerlings, but they’re all oblong in shape with a waxy firm texture and a buttery or earthy taste. Frying, roasting or salads Cowhorn, Nosebag, Russian Banana, Red Thumb

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how-to-grow-potatoes-cut-seed-potatoes-into-chunks-with-eyes: The pieces can be most any size, just make sure each one has 2 to 3 eyes.

How to prepare seed potatoes for planting

  • If your seed potato is golf ball size or smaller you can plant it whole.
  • Larger than that and you'll want to cut it into pieces that have 2 or 3 eyes each.
  • Let the pieces air-dry, for a day or two to form a callous that helps it resist disease.

how-to-grow-potatoes-chit: Set small potatoes seed end up and when you see growth they're ready to plant.

Chitting potatoes

You may want to give presprouting, or “chitting,” a try: It gives potatoes a head start and may increase your harvest. The end of the potato with dimples is the seed end where most of the growth will come from.

With the seed ends up, set potatoes or pieces in a spot that stays around 70 degrees F and gets indirect light. I think the egg carton above is a great way to hold the potatoes up (and also move them to the garden later). Once you see short, stubby sprouts in a week or two, they’re ready to go in the garden. But don’t wait too long—leggy sprouts are fragile and break off easily.

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how-to-grow-potatoes-planting: Place the seed potato eye or sprout side up in a hole 3 to 4 inches deep.

How to plant potatoes with the hilling method

Hilling is a great way to grow potatoes, whether they’re in rows or just a few plants. Take a look at the illustration and how-to steps below.

  1. Plant the seed potato sprout-side-up in a planting hole 3 to 4 inches deep as you see in the photo above. Press firmly so it makes good contact with the soil. Cover it with 2 inches of compost or soil.
  2. Keep an eye out and when the stem has grown 6 inches taller cover half of the stem with more soil.
  3. Repeat step 2 until the "hill" is about 12 inches tall. Drought stress reduces the harvest, so add a 2- to 4-inch layer of organic mulch on top of your hill to conserve moisture.


Hilling method tips

  • Make sure to water! Drought stress will reduce your yield and the soil in this small hill can dry out quickly. So make sure plants are getting 1 to 2 inches of water a week.
  • Feed plants every couple of weeks once you see stems poking through the soil with an organic liquid plant food, such as fish emulsion.
  • Avoid high-nitrogen foods that will produce more foliage and few tubers. Stop feeding and watering when the foliage starts to die back in late summer.
  • Make sure the potatoes stay covered with soil. Those exposed to the sun will develop toxic green patches. (If they do form, cut them off and eat the rest of the potato.)

Harvesting tips

  • 2 weeks after plants bloom, carefully pull some of the soil away from the stem. Snap off enough small potatoes for a meal and push the soil back in place so the rest will be ready later.
  • Once frost kills the foliage or it dies back on its own, it’s time to dig. With a spading fork, start near the edge of the hill and work your way toward the main stem. After carefully digging the plant, go back and sift through the soil with your hands to find any potatoes that fell off below ground.

how-to-grow-potatoes-in-a-box2: Pull the side of the box away and you can see your potato harvest.

How to plant potatoes in a box or bag

Grow potatoes in a large box filled with compost or potting mix - no hilling needed. Use any packing box at least 18 inches deep with the bottom intact, and fold the top flaps into the box for structural stability. To ensure it didn’t collapse before the season’s end, I used a second box inside the first.

  1. Prepare seed potatoes for planting: If your seed potato is golf ball size or smaller go ahead and plant it whole. Larger than that and you'll want to cut it into pieces that have 2 or 3 eyes each.
  2. Fill the box with soil and plant the potatoes 4 to 6 inches deep.
  3. At the end of the season, just tear or cut the box open, pull out potatoes and compost the rest.

how-to-grow-potatoes-in-potting-soil-bag: Be sure to poke holes in the bottom of the bag for drainage.

Don't have a box? No problem. Just tear open a bag of potting soil, poke some holes in the bottom for water to drain and plant your potatoes!

Common potato problems

For home gardeners, potatoes are usually pretty worry-free — but the slideshow below will help you with some of the more common problems.

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Published: March 26, 2018

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