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Time to Start Sweet Potato Slips

4/27/2011 3:44:49 PM

Tags: sweet potatoes, sweet potato slips, growing sweet potatoes, Sherry Leverich Tucker

Sweet potato is a hot weather plant, but to be able to plant them when the ground is warm the slips need to be growing now. I start them indoors with potatoes grown the year before in our garden. The potatoes store very well in my basement in a laundry basket all winter. Even now I still have potatoes that are firm and fine for culinary enjoyment. I really love eating sweet potatoes and we have a lot of fun in the fall digging them up to see what treasures have been growing underground during the hot summer months.sweet potatoes 

To start slips it is good to use potatoes that are free from any mold or shriveling. If there are any potatoes that have sprouts already coming out, then you have a head start. Place the potatoes in a jar or container vertically and fill with water. Their bottom ends should be wet, but at least one to two inches of the tops need to reach above the water. Place this in a warm sunny window or a shelf in the kitchen that stays moderately warm. Be sure to add water when necessary. Changing the water occasionally is important, too, because rot can occur. If you notice a potato rotting, remove it and either dispose of it, or cut off the rotten part. Soon vines will start to grow. They will grow out of many different nodules on each potato. When any of these vines grow to about 5-6 inches, pick it off at the base and place in a jar filled with water. It is amazing how quickly these little guys will root. When a potato starts producing slips, it usually becomes very prolific and many slips can be picked off of one potato! Once the ground is warm and the slip has a good set of roots you can plant them. We usually get all our sweet potatoes out the last part of May.

Other methods exist to start slips. I have a friend that remembers that her mom started slips in a box of horse manure. The heat from the manure helped the plants get started. I also have another friend starting them in potting soil on a heated bed with florescent lights.

Slips can be bought in bundles from nurserys and online as well. They need plenty of room for growing. Their beautiful dense green vine takes up at least a five foot wide area, but can be set out as close as two feet apart in rows. We occasionally grow giant football sized sweet potatoes that can fill 3-4 pies worth (though were prefer a good baking sized potato). They are so good to eat so many ways. Sweet potato pie, fried sweet potatoes, sweet potato fries, candied yams, sweet potato casserole, baked sweet potatoes with sorghum...

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2/19/2015 7:25:42 AM
I have 3 sweet potatoes in water for over 3 weeks. They have long strong roots but no top (green) growth. How long does it take for the slips to form?

7/13/2013 10:44:56 PM

Thanks for the lovely lesson on sweet potato slips, I have white sweet potato slips and in NC it is too late to plant, is it possible to keep these little slips until next year.?????

4/17/2013 6:01:54 PM
The little plants that I picked off the base of the parent plant and put in a glass of water to root - are rotting and not rooting. What am I doing wrong?

Sherry Leverich Tucker
5/6/2011 1:13:24 PM
I love your idea of using sweet potatoes in stew...that would add a nice sweet flavor like carrots or parsnip! Here's hoping that we all have a great crop of sweet potatoes this year!!

5/3/2011 8:21:20 AM
This article was right on time! I LOVE sweet potatoes! My favorite thing to make with them is stew. I swapped out white potatoes for the sweet and it was wonderful! I'm starting my garden this weekend and I'm going to be sure to get my sweet potatoes going too! Thanks for the reminder!

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