Thanks Dan for the comments and questions!
Vernalization is necessary for most cyps in our Planting Zone as the extent of daily low temperatures near freezing do not approach 90 consistent days. This is a resting period for the plant. Without the resting period the cyp will slowly waste away over the course of a couple of seasons or maybe 3 years. I have grown Cyps without vernalization but after the second year the plants just did not come back.
Probably most people do not repot every year but then they would have to have lots of room in their refrigerators for potted plants. To me it is easier to depot and bag them up. It gives me a chance to image and to check out the health of each plant. Because the soil mix is basically a gravel base mix and the root system of the cyps are more like rhizoids than like the little roots of petunias, and the like, depotting is relatively easy and can be done with minimal harm to the cyp's roots.
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