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I have grown a number of varieties of Corojo as well as Criollo. As with most Caribbean cigar varieties, they need to be fermented in some manner, which usually means kilning for a home-grower.
Of those, I have NOT grown Criollo 98, which is said to be superior in a number of ways to other Cuban Criollo varieties. Corojo 99 is by far the best Corojo I've grown, in terms of productivity, curing and kilning. The Criollos that I have grown required an additional year or so of aging after kilning, to lose a "raw" quality.
For cigars, really every variety should be kilned, to get the best smoking experience from them. Building a kiln is a $100 to $150 project that takes about 1 weekend for anyone to build. Constructing a kiln requires no special skills.