Winter growing in Zone 3 & 4

cathy mcgregor-smith mcsmiths at
Mon Dec 3 07:45:08 EST 2001

we have never been able to make a real profit in the winter hoop house  45x 100.
the problem we find is mostly due to excess moisture and mold on greens.

sunnfarm at wrote:

> When its zero outside at night its no more than 5-8* in the hoophouse, most cold hardy stuff will survive but get tip burn after sunup, then start to rot, you can cover beds on ground with plastic and get better protection,using rowcover material scratches tender leaves,I use a heater set at 35* and that solves everything except making a profit...Bob.
> >I have read the book and many other's.  the problem is when it is 20 below
> >zero for along period of time it is 20 below in the hoop house and regardless
> >of how many row covers you have on the lettuce the lettuce will freeze and
> >turn the leaves brown as soon as you harvest it.
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