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How to Grow Potatoes in a Bag

Gardening Guide: How to Grow Potatoes: Everything About Growing and Enjoying Spuds

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How to Grow Potatoes in a Bag

Want to grow potatoes but don’t have a big yard or need to be able to move them around? Find out how to grow potatoes in a bag.

By Amanda MacArthur

how to grow potatoes in a bag

The decision to learn how to grow potatoes in a bag is not one to be taken lightly. Are you short on garden space but still want a crop of universally delicious starch bombs? Or maybe you like science experiments. You probably fall somewhere between Mr. Wizard and Bill Nye in age and have always been drawn to DIY science like crystal-growing, rock-tumbling, and figuring out which dish soap makes the best bubble solution. (spoiler alert: use glycerin!) No matter the reason, the time has come for you to learn the magical art of how to grow potatoes in a bag. With this knowledge comes great responsibility. Read on if you dare.

Depending on the variety and your growing zone, you can plant potatoes in early to late spring. There are three main categories of potatoes you can grow in your grow bag:

  • First early: These spuds will be ready for harvest in about 10 weeks
  • Second early: These potatoes will be ready for harvest in about 13 weeks
  • Maincrop: These are usually the big guys used for baking and mashing and are ready for harvest in about 20 weeks

The great news about learning how to grow potatoes in a bag is that you can plant any category of potato and yield a healthy crop. You can learn everything you need to know about growing potatoes in our Potato Collection. I recommend using seed potatoes to start your potato crop. These are potatoes grown specifically to be used for growing and won’t have as many chemicals and even potential germs that store-bought potatoes will have. I like to sprout my seed potatoes before I plant them. This can be done easily by placing them in a cool, light-filled room.

What kind of bag do you need?

There’s a lot of options out there when learning how to grow potatoes in a bag. You can buy specially designed potato grow bags at your garden store or online. They come in various materials like fabric and heavy plastic and are relatively inexpensive. I’ve also seen folks re-purpose thick, reusable grocery bags and even big blue Ikea shopping bags. Burlap sacks can be used for potato growing. If you’re in a bind you can even use a medium-sized garbage bag, though you’ll only be able to use it for one season.

Preparing your bag

If you go the plastic bag route, place a few holes at the bottom of the bag for drainage. Fabric and mesh materials will have natural drainage abilities. Place a few inches of potting soil in the base of the bag. If you have other container gardens, you can use the same potting mix. If you want to use fertilizer or compost, add that now and mix thoroughly.

Plant the seed potatoes

The trick is to avoid overcrowding. Depending on your bag size, place three or four potato seed pieces in the soil and cover them with another few inches of soil. Water your bag well and make sure it drains properly.

Now what?

Place the bag in an area where it can receive full sunlight, at least 6 hours each day. Try to avoid putting the bag on a surface that will get too hot like concrete or asphalt since that will damage the plants. After your potato plants grow about eight to ten inches, add another few inches of soil. Water thoroughly. You’ll want to keep doing this when the stems grow to be about eight to ten inches above the soil line. Repeat this until the bag is topped off. Alternatively, you can use hay or thick mulch instead of soil. Once your grow bag is full just continue to water regularly.

When should you harvest?

Whether you’re learning how to grow potatoes in a bag or growing them in your yard, a good indication for when to harvest is when the plant turns yellow. Some varieties will flower, as well. If you planted smaller potatoes you can gently prod the soil and pull them up, but for bigger varieties, you can just dump the bag out once the plant has matured.

Once you learn how to grow potatoes in a bag, you can experiment with other tubers and even other vegetables and fruits. I love using grow bags for blueberry bushes so I can move them around more easily in my yard. Grow bags are a great garden tool especially for folks who want to avoid kneeling in their garden. Grow bags make gardening more accessible for people with mobility issues as well as people who might be renting and don’t have access to garden space.

Want to learn more about growing potatoes at home?

Potatoes and sweet potatoes have been around for thousands of years, and they’re a main staple in many cultures. Both of these vegetables are easy to grow at home. With the How to Grow Potatoes premium collection, you’ll learn all you need to know about growing and enjoying these fabulous root vegetables. From the history and background to specific advice about soil requirements and fertilizer … from easy-to-make and delicious recipes so you can enjoy the fruits of your gardening labor to the nutritional and health benefits of potatoes and sweet potatoes—get it all in our How to Grow Potatoes guide.

Do you already know how to grow potatoes in a bag? What tips do you have? What else have you grown in a bag? Let me know in the comments!

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Tags

fertilizer, grow bags, How to Grow Potatoes in a Bag, potato grow bags, potatoes, potatoes in a bag, potting soil

Comments
  • Joel G. March 7, 2023

    Can potatoes be safely grown in bags near Blueberry plants? I’m aware of the caution given if they are planted in the ground near them.

    Reply
    • Amanda M. March 7, 2023

      I don’t see why not, they just require very different soil, so the bags should take care of that issue.

      Reply
  • M Sue J. August 27, 2022

    Can you plant an actual potato for getting more potato’s to harvest snd have to eat ?

    Reply
  • Pamela R. June 27, 2022

    What is a safe pesticide for vegetables

    Reply
  • O'brien R. May 20, 2022

    Thank You for the DIY on Soil testing, but I have a question, I cleared a piece of lot, where My dad use to burn scrap metal, and pour out battery acid, my dad passed away 27 years ago, so would this land be contaminated to grow vegetables, and fruits.

    Reply
  • Onboarded U. July 5, 2021

    SHOULD YOU PINCH OFF THE FLOWERS ON POTATOE PLANTS?

    Reply
    • Amanda M. July 8, 2021

      Yes! If they start early, pinch them off so they can focus on growing the potatoes. If it’s around time to harvest, the flowers usually mean they’re mature.

      Reply
  • Debby G. May 24, 2021

    Can you grow mint with your flowers in a large flower pot

    Reply
    • Amanda M. May 24, 2021

      Yes! In fact that’s how many people stop them from spreading 🙂

      Reply

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TABLE OF CONTENTS

  • Curator’s Corner
  • Introduction
  • Feature Articles

  • Types of Potato Plants
  • Growing from Seed Potatoes and Sweet Potato Slips
  • Where to Grow Potatoes
  • Sun and Soil Requirements for Growing Potatoes
  • Growing Potatoes in Containers and Grow Bags
  • Planting and Hilling Potatoes
  • How—and When—to Water Your Potato and Sweet Potato Plants
  • How to Spot, Treat, and Prevent Diseases in Potatoes and Sweet Potatoes
  • Potato Pests and How to Prevail Over Them
  • Weeding Your Potato Garden
  • Harvesting and Storing Your Potatoes
  • Essential Tools and Equipment for Growing and Enjoying Potatoes
  • Plant Profiles

  • Russet Burbank Potatoes
  • Yukon Gold Potatoes
  • Kennebec Potatoes
  • Red Pontiac Potatoes
  • Beauregard Sweet Potato
  • Jewel Sweet Potato
  • Additional Potato and Sweet Potato Plant Profiles
  • Recipes

  • Air Fryer Breakfast Potatoes
  • Savory Sweet Potato Burger
  • Carrot and Sweet Potato Soup
  • Sweet Potato Biscuits
  • Sweet Potato Pecan Crumble
  • Oven Fries: Regular or Sweet Potato
  • Mashed Potatoes
  • Slow-Cooked Potatoes and Cabbage
  • Potato Pancakes
  • Rosemary Roasted Potatoes
  • Additional Articles

  • Nutrition Facts about Potatoes & Sweet Potatoes
  • Home Remedies & Health Benefits of Potatoes & Sweet Potatoes
  • Resources about Potatoes
  • Potato Glossary
  • Related Articles

  • 10 Drought-Resistant Vegetables for a Water Conscious Garden
  • How to Store Potatoes for the Winter
  • How to Grow Potatoes in a Bag
  • 10 Marigold Companion Plants in a Vegetable Garden
  • A Winter Planting Guide: How to Grow and Store the Food That Will Carry You Through the Cold Months
  • 3 Deliciously Balanced Meal Ideas Using Roasted Root Vegetables
  • The Best Potatoes for Home Fries and How to Make Them
  • Oven-Roasted Potatoes and Onions with Rosemary
  • Potatoes Gardening Guide Close-Up: 10 Potato and Sweet Potato Companion Plants
  • How to Grow Potatoes—Everything About Growing and Enjoying Spuds

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