Quote:
Originally Posted by shule1
I forgot that seeds seem to need air to sprout, to some degree, though. I wonder if they would get enough to sprout in a timely fashion under cardboard. I guess unless I plastered it to the ground, or something, they might be okay sprouting before taking it off.
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I don't leave the cardboard on once it gets warm. Its just for winter protection. Once it hits April I remove and let them come up as they please. I've only done it once so results may vary but I had good success when I tried it.