Overwinter sweet potato slips?

elainect5(z5CT)October 18, 2007

I have been experimenting with organic sweet potates, and have a bunch of good-sized sprouts. Is it possible to keep them over the winter until planting time next year? (I know I can just start more in the spring, but wonder about growing these on......) Some posts have told of doing this with the ornamental vines; could the eating types also be kept in water or vermiculite or peat moss? What light and temperature would be best? Thanks for any advice!

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I grew a huge house plant several feet in many directions from a sweet potato in water in a hyacinth glass (narrowing to hold bulb/plant). Just went on all winter with only water. This was in a west facing bathroom winter in a cold climate but with house heat of course.

    Bookmark   November 25, 2007 at 10:51PM
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micropropagator(zone5 S Indiana)

As you can notice from my UserName I keep sweetpotatoes over winter by by tissue culture to maintain line with least loss of germplasm. it is easier to just maintain the plant any asexual means by axilary growth. When grown from a root via regeneration (embryogenessis) there is risk of loss of chromosomes etc. Therefore if ou stand on a SP canning line you see shades of yello/orange roots come down the line.
The plant I use for my foundation Beauregard forcertified growers has been growing for 17 years. It is grown in 2 x 2 x 2 foot box under Two compact fluorescent lamps and ithas been down below zero Farenheit in that room several times. I use 2 lamps in case one burns out.

    Bookmark   December 12, 2007 at 10:40PM
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dancinglemons(7B VA)

micropropagator ,
I am a total sweet potato fanatic. Could you please tell more about your 17 year growing sweet potato. I have just started a Japanese sweet sprouting.(purple outside/white inside taste like chestnut - dry flesh) it is my plan to use some of the sprouts (slips) in 2008 to plant outside for actual potatoes. I tried to get the Okinawa purple sweet to sprout but after 2 month - no luck. Please tell more about what you are doing. Thanks!!

    Bookmark   December 13, 2007 at 3:03AM
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