Mike, if you keep it in the ground, you're going to have to double protect it. Over the past 10 years, I've lost 2 Black Maderia and 2 Figo Pretos. Our PRE-winter comes twice in November with temps dropping to 25 degrees. I had 3 Figo Preto and under a test, I left 2 out in November unprotected-- but brought it in December. Guess what? It was too late. It died.
What I recommend to those who are wondering if these 2 cultivars are the same is to do what I did. Grow them for yourself side by side. I was told that when I first came to the forum and that's what I do today. My Black Maderia has quite a few more figs on it but they are no were ripe. My Figo Preto figs are riping now! Are they the same fig? In my opinon, no. BUT they are very much related. Others might disagree and that's fine. I will not say they are the same. It will be labeled the same way I got it. I'm sure FP is an excellent tasting fig, but not this year. It just needs a lot more heat in my roller coastal hot humid weather. In 2009 and 2010, BM was super excellent and taste like no other fig out there. I need another year like 09 and 10 for a true comparsion.
And get this....my BM is older than my FP by about 4 yrs!