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how do you grow sweet potatoes in a SFG?

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how do you grow sweet potatoes in a SFG?

Post  gettip on 3/18/2010, 11:38 am

Can you grow sweet potatoes in a SFG and how do you do it?
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Re: how do you grow sweet potatoes in a SFG?

Post  choksaw on 3/18/2010, 12:17 pm

I have never grown sweet potatoes or regular potatoes but i imagine the process would be the same for each (i love potaoes) this thread as actualy inspired me to look into it for my fall season
http://squarefoot.creatingforum.com/general-sfg-talk-f5/potatoes-and-sfg-t456.htm
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Re: how do you grow sweet potatoes in a SFG?

Post  gridgardener on 3/18/2010, 1:05 pm

growing sweet potato and growing regular potatoes not alike at all

Potatoes:
spacing for potatoes in square foot bed 1 per square foot

Sweet potato:
spacing for sweet potatoes is 1 plant per 18in x18in area and soil depth should be at least 18 inches. then there is feeding the plants and fact they sweet potatoes are wide area vining crop that should not be trellised since sweet potatoes also form at certain places a long the vine at well under plants starting location.
Also they not very frost tolerant all.

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Re: how do you grow sweet potatoes in a SFG?

Post  chocolatepop on 3/18/2010, 1:45 pm



I tried last year but the weather wasn't condusive since it wasn't hot enough long enough. BUT, I am not a giver upper! I will try again. I did a rubbermaid type container with drainage holes and mels mix, this year, if the hubby will "let me " I'll make a SFG for them, but be warned, they are relatives to the morning glory so they can be invasive, so I wouldn't plant them with anything BUT sweet taters.

here is a pic I found online:



They grow from a slip, basically you can either throw your sweet potato in a warm patch of soil, cover with a few inches, and wait for the little sprouts, or slips, to grow. once they are about 5inches tall snip it off and plant that in your SFG. Since I am in Michigan, I plan on covering my bed with black plastic to increase the temp to where sweet taters like it. I am going to try to slip some in the garden/modified hotbed, and also in a jar of water, for an experiment with my 3 year old.

Here is a good pic of a starter sweet tater and the little "vines" are the slips:


Sweet potatoes are a tuberous root, while a regular potato is a tuber. A tuberous root is bascialy a swollen root, and a tuber is basically a swollen part of a stem. I think....

Ok I found this:

http://en.wikipedia.org/wiki/Tuber

Unlike regular potatoes, which are a plant and basically grow "out the stem", sweet potatoes are the root. Sweet potatoes vine, so don't "pile up" the dirt on the slip. Once the vines start, make sure you try your darnest to keep them from rooting by gentle picking them up. This helps keep the energy in the "main" root system so you "should" end up with larger tubers at the origin rather than small tubers all over (if the plant is left to root, you'll get small taters there too). Or let them take root. Many people use them as a "pretty" vine, and they are gorgeous trailing down the side of a container or SFG, or up a trellis.
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