Answer: Cucumbers can be trained up a trellis placed near the walls of a greenhouse. These warm-weather veggies will grow and produce best with bright light and warm temperatures, something difficult to provide in the winter months, even in a well managed greenhouse. For best results, wait until March to sow the seeds of your favorite slicing cucumbers. Keep the humidity level below 75-80%, or the leaves of your cucumbers may develop fungal diseases and the stems will be weak rather than sturdy. In the meantime, you can grow all kinds of cool-season crops in your greenhouse. Try lettuce, cabbage, carrots, radishes and beets for wintertime munching.
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