My best guess is that the roots rotted from being planted in clayey garden soil which was likely overwatered as well. In a container, you should only use a soilless potting mix such as peat moss mixed with perlite and supplemented with fertilizer. .

Does it get much sun? They need sun. Hard to tell but it looks like the pot may stay too soggy also. It is very soggy right now, and it would stay more soggy in the shade.

Green chiles ripen to red chiles (unless they ripen to yellow). You can pick them when they are green if you like.

This post was edited by noki on Mon, May 26, 14 at 23:40