I've heard that those wild varieties take forever. Never grown any of them, though. How do they taste?
I've grown some tepin chilli last year and managed to over-winter one. I remember they were not very hot but none of my peppers had much heat last year mainly due to bad summer. Lots of rain and pests. Only lemon-drops had some flavour and heat for some reason while Trinidad Scorpions had no heat at all. Chiltepins were very nice looking, but as I said, not much anything else. That was last year.
This year, the old plant is full with tiny green pods and lots and losts of flower and this summer has been great here. We have unimaginable spell of sunshine and heat and my chillies are protected from rain with a gazebo and I'm hopefull they will properly develop both flavour and heat. I have two lemon-drop plants from last year seed and they are very prolific and good looking. It is still early days for me, only harvested couple of green serranos and my first pod just started to turn colour:
CAYENNE TURNING.jpg 56.87KB 4 downloads