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We've grown them for the last 2 years here in S.E. MI with no problem. We're a bit further south than you so YMMV. We grew Vardeman but are switching to Georgia Jets and Centennials this year. The Georgia Jets are supposed to be better for northern climates with a 80-90 day maturity. We use the slips. Plastic mulch may be necessary too to warm the soil. We've gotten away without the plastic mulch. Just used some fabric row cover material when frosts were expected.

You might want to check with http://www.tatorman.com/ to see what they say.

Quoted:
We've grown them for the last 2 years here in S.E. MI with no problem. We're a bit further south than you so YMMV. We grew Vardeman but are switching to Georgia Jets and Centennials this year. The Georgia Jets are supposed to be better for northern climates with a 80-90 day maturity. We use the slips. Plastic mulch may be necessary too to warm the soil. We've gotten away without the plastic mulch. Just used some fabric row cover material when frosts were expected.

You might want to check with http://www.tatorman.com/ to see what they say.

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Where do you get your slips?  SE MI as well and I'd like to give'm a try!

K

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In the past we've ordered the Vardeman slips from Miller Nurseries and Pinetree Garden Seeds with no problem.  They both get them from growers in TN and are drop shipped from the grower.  This past winter we got a mailer direct from George's Plant Farm a.k.a. Tatorman.  We're buying direct from a grower(Tatorman) this year.  We'll see how this works out..........