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How to Grow Sweet Potatoes from Sweet Potato Slips

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Did you know that you can grow an entire harvest of sweet potatoes from a single sweet potato? My friend Jamie does it every year and this year I’m right there with her. For optimal results, you’ll want to start this project with a single sweet potato – store-bought is fine! – around mid-March. Look at the size of that potato!!

How to Grow Sweet Potatoes from Sweet Potato Slips

 

How to Grow Sweet Potatoes

This process is so much easier than you might think.  Have you ever grown new houseplants from clippings? That is exactly what you’re doing here, except with a sweet potato. Yep, sweet potato slips is all you need for an entire harvest of sweet potatoes.

Just six simple steps from beginning to harvest…

1. Take a sweet potato and drop it in a glass of water around mid-March. Soon it will start to grow slips.

How to Grow Sweet Potatoes from Sweet Potato Slips

2. Watch for slips to start to grow as well as roots. Each of the potatoes should produce about 20 slips. Once the slips are approximately 3-4 inches long, twist them from the potato and drop them in water. Baby food jars work perfectly, or something similar would suffice as well.

How to Grow Sweet Potatoes from Sweet Potato Slips

3. Wait for those slips to grow roots and once those roots are established (as in photo) they are ready to plant. In Kansas we typically wait until around June 1st (or whenever the weather is consistently warm) to plant them outside.

How to Grow Sweet Potatoes from Sweet Potato Slips

4. When planting, space them about 3 feet from each other as they are a vine that spreads. Treat them like any other plant in your garden and water as necessary.

How to Grow Sweet Potatoes from Sweet Potato Slips

5. The vines will produce flowers in September shortly before harvest. Once the leaves start to turn yellow (typically September to October) they are ready to harvest. Note that it is best to dig them up if there is a chance of frost in the forecast.

How to Grow Sweet Potatoes from Sweet Potato Slips

6. Once harvested, let them cure for 10 days outside in a shady place. I put mine in an open air garage.  Yes, 1 potato has produced all of these!!

How to Grow Sweet Potatoes from Sweet Potato Slips

So, will you be harvesting your own sweet potatoes from a single sweet potato this year? Growing sweet potatoes is so much easier than it seems, and it costs less than a buck to try, so why not?

More home tips before you go:

How We Bought a Propane Grill for Just $4 + Tax
How to Remove the Bitterness from Cucumbers
17 Frozen Food Hacks to Get the Most Out of Your Freezer
Tips for Finding Deals on Organic, Gluten-Free, Non-GMO, Vegetarian and Vegan Foods
How to Make Balsamic Glaze
Why Every Household Needs a Low Inventory List
Is Your New Home in a Floodplain? + How to Check for Free

Comments

    • Peg says

      December 24, 2018 at 12:15 pm

      If landed in a large container you should be able to bring the in the house to finish them off. I live in Prince George, so I am going to try some this year.
      Reply

  6. TJ says

    April 1, 2018 at 11:26 pm

    Put the sweet potato in a glass of water and it's rotting on me. Not sure that it's gonna give me any slips before I have to toss it.
    Reply

    • Rita Gorman says

      April 11, 2018 at 2:08 pm

      Yes, same with me. I have soaked my for 3 weeks now and still no sign of any slips!! Starting to rot a bit now!,
      Reply

    • Ditas Enriquez says

      April 28, 2018 at 11:43 am

      I just leave my sweet potatoes on the kitchen counter and the slips begun to grow. When the slips have roots, I just twist them off and put them in water. I notice the roots grow more. I will plant them now. I still eat the sweet potatoes that had rooted slips. Nothing bad happened to me. Same thing with regular potatoes.
      Reply

  7. Danae says

    February 7, 2018 at 12:35 am

    I live in the Pacific Northwest so it looks like I saw this just in time! I’ll get my sweet potato in water tomorrow :) Do I just tear off the slip? I’ve seen other articles that say you have to cut the sweet potato into pieces...?
    Reply

  8. Gslt says

    December 25, 2017 at 2:24 pm

    My sister gave a sweet potatoe with many sids , I planted the whole sweet potato and vines came out no flowers ever I had a harvest of 1 squinty one , now I know I have to put each seed in water before I plant them
    Reply

    • Jan says

      March 14, 2018 at 2:03 pm

      I planted a whole potato last year and I had a lot of potatoes. The vines were all over the place but I only had potatoes under the original vine. I had at least 20 and some of them were huge. This year I will separate the slips so I can have more. The potatoes were delicious.
      Reply

  10. Brian says

    September 13, 2017 at 10:22 am

    How much water? Does the soil need drainage? What about amending the soil? Are they just not that picky? In shady areas, do they just grow slower?
    Reply

  11. Nsidibe Udokpan says

    August 30, 2017 at 3:47 pm

    Hi, Great and informative Am in Nigeria-tropical climate, we are in rainy season with heavy rains that may end around end of September to middle of October and the dry season with sun will start. I have some sweet potatoes can I start the planting process now?
    Reply

    • Valerie Leppard says

      May 31, 2019 at 3:05 pm

      Try mid September unless it’s cold. You need it to be about 20 degrees centigrade or better. Best of luck.
      Reply

    • ritawhalen says

      April 29, 2018 at 10:24 pm

      I s 18 x 21 inches and I want to grow some sweet potatoes in them . I will try to plant some slips and see how it goes. I love sweet potatoes. how many should I try to put in it.
      Reply

      • Gwen says

        November 20, 2018 at 9:01 am

        Sweet potatoes are a vine and for each place thevine hits the ground a new potatoe forms unlike regular rustic potatoes that you plant one potatoe and exactly where you planted that potatoe 40 more are there at harvest time. As long as you have the vine hit multiple spots in the pot you’ll be fine
        Reply

  14. Valerie S. says

    July 23, 2017 at 7:25 pm

    I have two sweet potatoes from the grocery store!! I let them sit on my counter for two weeks, and now they have slips all over them!! I'm going to plant them even though it's July!! Here in Central Oregon we have summer from about July 1st to late September!! It won't hurt to try anyway!! And there's always next year!! But after I remove the slips, can I still eat those sweet potatoes??
    Reply

  16. Ofelia santana says

    May 25, 2017 at 9:11 am

    Hi, one month ago i had the potatoes in water when it was big with leaves i planted on my garden it has lots of flowers, my question is since i plant the whole sweet potatoes do i will have potatoes??
    Reply

    • Ashlea says

      May 22, 2017 at 10:43 am

      No I think you can get started anyway! It depends on your climate, but we are in Kansas and it would be just fine here. :)
      Reply

    • Margit says

      February 3, 2018 at 1:25 pm

      Benny can you explain in detail how you plant your sweet potatoes in a tower? Margit living in Cape town South Africa
      Reply

    • Gwen says

      November 20, 2018 at 9:08 am

      No they do not grow like regular potatoes. Sweet potatoes are part of the morning glory family and sends off a vine. For every place the vine comes in good contact with the ground another sweet potato will form. 1 sweet potatoe per contact with ground so do not move the vines around a lot or you may get a very small yield
      Reply

  24. alan says

    April 20, 2017 at 1:17 pm

    Hi, i live in the south border of BRECON NATIONAL PARK of wales uk i,m an avid gardener and only use traditional heirloom seeds . I,m trying this april 2017 .i,ll keep you a praised alan
    Reply

  25. Country Barb. says

    March 29, 2017 at 9:44 am

    IS THIS FOR REAL? IF JUST ONE POTATO PRODUCED ALL THOSE YOU WOULD HAVE TO HAVE MORE THAN ONE POTATO FOR ALL THOSE SLIPS.
    Reply

      • jen says

        April 18, 2017 at 9:07 am

        I love this and your response! I have my sweet potato in a glass and can not wait to see it start to sprout. I have a raised bed that is currently a weed bed. It will soon be my sweet potato bed. :D
        Reply

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