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Old November 19, 2016   #4
pecker88
Tomatovillian™
 
Join Date: Jul 2015
Location: Lincoln, NE
Posts: 192
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I live in SE Nebraska, zone 5b. I have a double poly hoop house with a heater set at 40 deg. mostly only runs at night.

I planted potatoes a month ago in the greenhouse, and I just dug one up, the sprout was about 1/8" long.

At that rate, they will rot before they actually grow! I was an experiment, but now I know, plating potatoes on Oct 1st in Zone 5b is a no-go, even in a heated hoop house. Also to add, most of Oct was record setting heat, 70's outside, inside greenhouse was 90+. Seems like it didn't matter, still too cold.
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